A viewset for viewing and editing Steels.

GET /api/wf/steels/?format=api&page=6
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 375,
    "next": "https://seshat-db.com/api/wf/steels/?format=api&page=7",
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    "results": [
        {
            "id": 251,
            "polity": {
                "id": 278,
                "name": "mn_rouran_khaganate",
                "long_name": "Rouran Khaganate",
                "start_year": 300,
                "end_year": 555
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " <i>No steel of a high quality until later</i> By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 252,
            "polity": {
                "id": 439,
                "name": "mn_shiwei",
                "long_name": "Shiwei",
                "start_year": 600,
                "end_year": 1000
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 253,
            "polity": {
                "id": 440,
                "name": "mn_turk_khaganate_2",
                "long_name": "Second Turk Khaganate",
                "start_year": 682,
                "end_year": 744
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "present",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 254,
            "polity": {
                "id": 286,
                "name": "mn_uygur_khaganate",
                "long_name": "Uigur Khaganate",
                "start_year": 745,
                "end_year": 840
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "present",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 255,
            "polity": {
                "id": 438,
                "name": "mn_xianbei",
                "long_name": "Xianbei Confederation",
                "start_year": 100,
                "end_year": 250
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 256,
            "polity": {
                "id": 437,
                "name": "mn_hunnu_early",
                "long_name": "Early Xiongnu",
                "start_year": -1400,
                "end_year": -300
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 257,
            "polity": {
                "id": 274,
                "name": "mn_hunnu_late",
                "long_name": "Late Xiongnu",
                "start_year": -60,
                "end_year": 100
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 258,
            "polity": {
                "id": 272,
                "name": "mn_hunnu_emp",
                "long_name": "Xiongnu Imperial Confederation",
                "start_year": -209,
                "end_year": -60
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " By the seventh century the \"Sogdians and Turkic peoples \"had their own sophisticated metallurgical industries.\"§REF§(Clarke 2006, 21-22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§ \"The other peoples who were heavily involved with arms production and trade with the Tibetans were the Turkic peoples and especially the Karluks, allies of the Tibetans during the eighth and early ninth centuries ... The Karluks ... were noted by Islamic geographers as producers and exporters of iron artifacts and weapons to Tibet and China.\"§REF§(Clarke 2006, 22) John Clarke. A History of Ironworking in Tibet: Centers of Production, Styles, and Techniques. Donald J LaRocca. ed. 2006. Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet. Yale University Press. New Haven.§REF§"
        },
        {
            "id": 259,
            "polity": {
                "id": 444,
                "name": "mn_zungharian_emp",
                "long_name": "Zungharian Empire",
                "start_year": 1670,
                "end_year": 1757
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 260,
            "polity": {
                "id": 224,
                "name": "mr_wagadu_3",
                "long_name": "Later Wagadu Empire",
                "start_year": 1078,
                "end_year": 1203
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 261,
            "polity": {
                "id": 216,
                "name": "mr_wagadu_2",
                "long_name": "Middle Wagadu Empire",
                "start_year": 700,
                "end_year": 1077
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 262,
            "polity": {
                "id": 525,
                "name": "mx_monte_alban_1_early",
                "long_name": "Early Monte Alban I",
                "start_year": -500,
                "end_year": -300
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 263,
            "polity": {
                "id": 526,
                "name": "mx_monte_alban_1_late",
                "long_name": "Monte Alban Late I",
                "start_year": -300,
                "end_year": -100
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 264,
            "polity": {
                "id": 527,
                "name": "mx_monte_alban_2",
                "long_name": "Monte Alban II",
                "start_year": -100,
                "end_year": 200
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 265,
            "polity": {
                "id": 528,
                "name": "mx_monte_alban_3_a",
                "long_name": "Monte Alban III",
                "start_year": 200,
                "end_year": 500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 266,
            "polity": {
                "id": 529,
                "name": "mx_monte_alban_3_b_4",
                "long_name": "Monte Alban IIIB and IV",
                "start_year": 500,
                "end_year": 900
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 267,
            "polity": {
                "id": 532,
                "name": "mx_monte_alban_5",
                "long_name": "Monte Alban V",
                "start_year": 900,
                "end_year": 1520
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 268,
            "polity": {
                "id": 6,
                "name": "mx_basin_of_mexico_1",
                "long_name": "Archaic Basin of Mexico",
                "start_year": -6000,
                "end_year": -2001
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 269,
            "polity": {
                "id": 16,
                "name": "mx_aztec_emp",
                "long_name": "Aztec Empire",
                "start_year": 1427,
                "end_year": 1526
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 270,
            "polity": {
                "id": 12,
                "name": "mx_basin_of_mexico_7",
                "long_name": "Classic Basin of Mexico",
                "start_year": 100,
                "end_year": 649
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 271,
            "polity": {
                "id": 13,
                "name": "mx_basin_of_mexico_8",
                "long_name": "Epiclassic Basin of Mexico",
                "start_year": 650,
                "end_year": 899
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 272,
            "polity": {
                "id": 8,
                "name": "mx_basin_of_mexico_3",
                "long_name": "Early Formative Basin of Mexico",
                "start_year": -1200,
                "end_year": -801
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 273,
            "polity": {
                "id": 10,
                "name": "mx_basin_of_mexico_5",
                "long_name": "Late Formative Basin of Mexico",
                "start_year": -400,
                "end_year": -101
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced (copper-based) metallurgy in Mesoamerica is c.600 CE for ornamental valuables,§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§ and the system closest to coinage ever practiced in Mesoamerica was the widespread use of cacao beans and copper axes as media of exchange during the Postclassic.§REF§Berdan, Frances F., Marilyn A. Masson, Janine Gasco, and Michael E. Smith. (2003) \"An International Economy.\" In Michael E. Smith and Frances F. Berdan (eds.) <i>The Postclassic Mesoamerican World.</i> Salt Lake City: The University of Utah Press, pg. 102.§REF§"
        },
        {
            "id": 274,
            "polity": {
                "id": 9,
                "name": "mx_basin_of_mexico_4",
                "long_name": "Middle Formative Basin of Mexico",
                "start_year": -800,
                "end_year": -401
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 275,
            "polity": {
                "id": 11,
                "name": "mx_basin_of_mexico_6",
                "long_name": "Terminal Formative Basin of Mexico",
                "start_year": -100,
                "end_year": 99
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " The first evidence for the introduction of indigenously produced (copper-based) metallurgy in Mesoamerica is c.600 CE for ornamental valuables,§REF§Shugar, Aaron N. and Scott E. Simmons. (2013) <i>Archaeometallurgy in Mesoamerica: Current Approaches and New Perspectives.</i> Boulder: University Press of Colorado, pg. 1-4.§REF§ and the system closest to coinage ever practiced in Mesoamerica was the widespread use of cacao beans and copper axes as media of exchange during the Postclassic.§REF§Berdan, Frances F., Marilyn A. Masson, Janine Gasco, and Michael E. Smith. (2003) \"An International Economy.\" In Michael E. Smith and Frances F. Berdan (eds.) <i>The Postclassic Mesoamerican World.</i> Salt Lake City: The University of Utah Press, pg. 102.§REF§"
        },
        {
            "id": 276,
            "polity": {
                "id": 7,
                "name": "mx_basin_of_mexico_2",
                "long_name": "Initial Formative Basin of Mexico",
                "start_year": -2000,
                "end_year": -1201
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 277,
            "polity": {
                "id": 15,
                "name": "mx_basin_of_mexico_10",
                "long_name": "Middle Postclassic Basin of Mexico",
                "start_year": 1200,
                "end_year": 1426
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " \"Metals were another story. Throughout all these times [before 500 BCE], and even much later, they were essentially unused in Mesoamerica. Teotihuacan's predecessors [...] and Teotihuacan itself used only stone tools\".§REF§(Cowgill 2015: 40) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/JRFZPUXU</a>.§REF§"
        },
        {
            "id": 278,
            "polity": {
                "id": 524,
                "name": "mx_rosario",
                "long_name": "Oaxaca - Rosario",
                "start_year": -700,
                "end_year": -500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§"
        },
        {
            "id": 279,
            "polity": {
                "id": 523,
                "name": "mx_san_jose",
                "long_name": "Oaxaca - San Jose",
                "start_year": -1150,
                "end_year": -700
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§ Moreover, Hassig lists steel weapons among the new military technologies the Spanish introduced to the region in the sixteenth century§REF§(Hassig 1992, 143) Hassig, Robert. 1992. <i>War and Society in Ancient Mesoamerica</i>. London; Berkeley: University of California Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/collectionKey/F76EVNU3/itemKey/E9VHCKDG\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/collectionKey/F76EVNU3/itemKey/E9VHCKDG</a>§REF§"
        },
        {
            "id": 280,
            "polity": {
                "id": 522,
                "name": "mx_tierras_largas",
                "long_name": "Oaxaca - Tierras Largas",
                "start_year": -1400,
                "end_year": -1150
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Metalworking was not widely used in Mesoamerica, with metal products consisting mainly of small beads and ornaments.§REF§Coe, M. D., Koontz, R. (2013) Mexico: From the Olmecs to the Aztecs (7th ed.) Thames and Hudson, London, p157§REF§§REF§Kowalewski, S. A., Feinman, G. M., Finten, L., Blanton, R. E., Nicholas, L. M. (1989) Monte Albán’s Hinterland, Part II: Prehispanic settlement patterns in Tlacolula, Etla, and Ocotlan, The Valley of Oaxaca, Mexico, Volume II. Memoirs of the Museum of Anthropology, University of Michigan, Number 23. Ann Arbor.§REF§ Moreover, Hassig lists steel weapons among the new military technologies the Spanish introduced to the region in the sixteenth century§REF§(Hassig 1992, 143) Hassig, Robert. 1992. <i>War and Society in Ancient Mesoamerica</i>. London; Berkeley: University of California Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/collectionKey/F76EVNU3/itemKey/E9VHCKDG\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/collectionKey/F76EVNU3/itemKey/E9VHCKDG</a>§REF§"
        },
        {
            "id": 281,
            "polity": {
                "id": 14,
                "name": "mx_toltec",
                "long_name": "Toltecs",
                "start_year": 900,
                "end_year": 1199
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Tula has yielded no metal of any kind, neither copper nor gold.§REF§(Coe 1994: 142) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/5DJ2S5IF\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/5DJ2S5IF</a>.§REF§"
        },
        {
            "id": 282,
            "polity": {
                "id": 116,
                "name": "no_norway_k_2",
                "long_name": "Kingdom of Norway II",
                "start_year": 1262,
                "end_year": 1396
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "present",
            "comment": null,
            "description": " §REF§Júlíusson and Kristissen, pers. comm. 2017§REF§"
        },
        {
            "id": 283,
            "polity": {
                "id": 78,
                "name": "pe_cuzco_2",
                "long_name": "Cuzco - Early Intermediate I",
                "start_year": 200,
                "end_year": 499
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 284,
            "polity": {
                "id": 79,
                "name": "pe_cuzco_3",
                "long_name": "Cuzco - Early Intermediate II",
                "start_year": 500,
                "end_year": 649
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 285,
            "polity": {
                "id": 81,
                "name": "pe_cuzco_5",
                "long_name": "Cuzco - Late Intermediate I",
                "start_year": 1000,
                "end_year": 1250
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 286,
            "polity": {
                "id": 82,
                "name": "pe_cuzco_6",
                "long_name": "Cuzco - Late Intermediate II",
                "start_year": 1250,
                "end_year": 1400
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 287,
            "polity": {
                "id": 77,
                "name": "pe_cuzco_1",
                "long_name": "Cuzco - Late Formative",
                "start_year": -500,
                "end_year": 200
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " there was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 288,
            "polity": {
                "id": 83,
                "name": "pe_inca_emp",
                "long_name": "Inca Empire",
                "start_year": 1375,
                "end_year": 1532
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 289,
            "polity": {
                "id": 80,
                "name": "pe_wari_emp",
                "long_name": "Wari Empire",
                "start_year": 650,
                "end_year": 999
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " There was no steel/iron before the arrival of the Spanish."
        },
        {
            "id": 290,
            "polity": {
                "id": 445,
                "name": "pg_orokaiva_pre_colonial",
                "long_name": "Orokaiva - Pre-Colonial",
                "start_year": 1734,
                "end_year": 1883
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 291,
            "polity": {
                "id": 446,
                "name": "pg_orokaiva_colonial",
                "long_name": "Orokaiva - Colonial",
                "start_year": 1884,
                "end_year": 1942
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": true,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "present",
            "comment": null,
            "description": " Given the presence of colonial forces, this remains in need of confirmation."
        },
        {
            "id": 292,
            "polity": {
                "id": 446,
                "name": "pg_orokaiva_colonial",
                "long_name": "Orokaiva - Colonial",
                "start_year": 1884,
                "end_year": 1942
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": true,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Given the presence of colonial forces, this remains in need of confirmation."
        },
        {
            "id": 293,
            "polity": {
                "id": 117,
                "name": "pk_kachi_enl",
                "long_name": "Kachi Plain - Aceramic Neolithic",
                "start_year": -7500,
                "end_year": -5500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Inferred as occurred later §REF§( Darvill, Timothy. \"steel.\" In The Concise Oxford Dictionary of Archaeology. : Oxford University Press, 2008. )§REF§."
        },
        {
            "id": 294,
            "polity": {
                "id": 118,
                "name": "pk_kachi_lnl",
                "long_name": "Kachi Plain - Ceramic Neolithic",
                "start_year": -5500,
                "end_year": -4000
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Inferred as occurred later §REF§( Darvill, Timothy. \"steel.\" In The Concise Oxford Dictionary of Archaeology. : Oxford University Press, 2008. )§REF§."
        },
        {
            "id": 295,
            "polity": {
                "id": 119,
                "name": "pk_kachi_ca",
                "long_name": "Kachi Plain - Chalcolithic",
                "start_year": -4000,
                "end_year": -3200
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Inferred as occurred later §REF§( Darvill, Timothy. \"steel.\" In The Concise Oxford Dictionary of Archaeology. : Oxford University Press, 2008. )§REF§."
        },
        {
            "id": 296,
            "polity": {
                "id": 126,
                "name": "pk_indo_greek_k",
                "long_name": "Indo-Greek Kingdom",
                "start_year": -180,
                "end_year": -10
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": true,
            "name": "Steel",
            "steel": "present",
            "comment": null,
            "description": " <i>This could be southern India (and/or Sri Lanka):</i> Historical records show Indian steel was exported to Abyssinia in 200 BCE. (Biggs et al. 2013 citing Tripathi and Upadhyay 2009, p. 123).§REF§Lynn Biggs. Berenice Bellina. Marcos Martinon-Torres. Thomas Oliver Pryce. January 2013. Prehistoric iron production technologies in the Upper Thai-MalayPeninsula: metallography and slag inclusion analyses of iron artefacts from Khao Sam Kaeo and Phu Khao Thong. Archaeological and Anthropological Sciences. Springer.§REF§ Northern India as early as 1st CE was exporting iron and steel as far as East Africa.§REF§(Hatke 2013) Hatke, George. 2013. Aksum and Nubia: Warfare, Commerce, and Political Fictions in Ancient Northeast Africa. New York University Press.§REF§"
        },
        {
            "id": 297,
            "polity": {
                "id": 126,
                "name": "pk_indo_greek_k",
                "long_name": "Indo-Greek Kingdom",
                "start_year": -180,
                "end_year": -10
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": true,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " <i>This could be southern India (and/or Sri Lanka):</i> Historical records show Indian steel was exported to Abyssinia in 200 BCE. (Biggs et al. 2013 citing Tripathi and Upadhyay 2009, p. 123).§REF§Lynn Biggs. Berenice Bellina. Marcos Martinon-Torres. Thomas Oliver Pryce. January 2013. Prehistoric iron production technologies in the Upper Thai-MalayPeninsula: metallography and slag inclusion analyses of iron artefacts from Khao Sam Kaeo and Phu Khao Thong. Archaeological and Anthropological Sciences. Springer.§REF§ Northern India as early as 1st CE was exporting iron and steel as far as East Africa.§REF§(Hatke 2013) Hatke, George. 2013. Aksum and Nubia: Warfare, Commerce, and Political Fictions in Ancient Northeast Africa. New York University Press.§REF§"
        },
        {
            "id": 298,
            "polity": {
                "id": 123,
                "name": "pk_kachi_post_urban",
                "long_name": "Kachi Plain - Post-Urban Period",
                "start_year": -1800,
                "end_year": -1300
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Steel is not present at Pirak. §REF§Jarrige, J-F. (1979) Fouilles de Pirak. Paris : Diffusion de Boccard.§REF§ However, Harappan weapons are \"characterised by the absence of shields, helmets and armour\". §REF§Sharma, R. S., ‘Material Background of Vedic Warfare’, Journal of the Economic and Social History of the Orient, 9 (1966):305.§REF§"
        },
        {
            "id": 299,
            "polity": {
                "id": 120,
                "name": "pk_kachi_pre_urban",
                "long_name": "Kachi Plain - Pre-Urban Period",
                "start_year": -3200,
                "end_year": -2500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " Inferred as occurred later §REF§( Darvill, Timothy. \"steel.\" In The Concise Oxford Dictionary of Archaeology. : Oxford University Press, 2008. )§REF§."
        },
        {
            "id": 300,
            "polity": {
                "id": 124,
                "name": "pk_kachi_proto_historic",
                "long_name": "Kachi Plain - Proto-Historic Period",
                "start_year": -1300,
                "end_year": -500
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Steel",
            "steel": "absent",
            "comment": null,
            "description": " <i>Ed: Steel may have been produced in the region of modern India at earliest toward the end of this period.</i>"
        }
    ]
}