A viewset for viewing and editing Ditches.

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{
    "count": 366,
    "next": "https://seshat-db.com/api/wf/ditches/?format=api&page=7",
    "previous": "https://seshat-db.com/api/wf/ditches/?format=api&page=5",
    "results": [
        {
            "id": 251,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 252,
            "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": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " §REF§(Kradin 2015, personal communication)§REF§"
        },
        {
            "id": 253,
            "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": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " Qarshi, built by Kebek of the Chagatai Khaganate is an example \"typical of Mongolian and south Siberian cities from the Xiongnu period onwards.\"; it was \"bounded by a strong wall, 4.5 m thick, surrounded by a deep defensive ditch, 8-10 m wide and 3.5-4 m deep, and had four gates. The original layout of the city (before Timurid additions) included one central fortress/palace surrounded by an open spaced designed for the erection of tents.\"§REF§(Biran 2013, 271-272) Michal Biran. Rulers and City Life in Mongal Central Asia (1220-1370) David Durand-Guedy. Turko-Mongol Rulers, Cities and City Life. BRILL. Leiden.§REF§"
        },
        {
            "id": 254,
            "polity": {
                "id": 438,
                "name": "mn_xianbei",
                "long_name": "Xianbei Confederation",
                "start_year": 100,
                "end_year": 250
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 255,
            "polity": {
                "id": 437,
                "name": "mn_hunnu_early",
                "long_name": "Early Xiongnu",
                "start_year": -1400,
                "end_year": -300
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " 'Qarshi, built by Kebek of the Chagatai Khaganate is an example \"typical of Mongolian and south Siberian cities from the Xiongnu period onwards.\"; it was \"bounded by a strong wall, 4.5 m thick, surrounded by a deep defensive ditch, 8-10 m wide and 3.5-4 m deep, and had four gates. The original layout of the city (before Timurid additions) included one central fortress/palace surrounded by an open spaced designed for the erection of tents.'§REF§(Biran 2013, 271-272) Michal Biran. Rulers and City Life in Mongal Central Asia (1220-1370) David Durand-Guedy. Turko-Mongol Rulers, Cities and City Life. BRILL. Leiden.§REF§<i></i>"
        },
        {
            "id": 256,
            "polity": {
                "id": 274,
                "name": "mn_hunnu_late",
                "long_name": "Late Xiongnu",
                "start_year": -60,
                "end_year": 100
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"The fortified settlement of Ivolga in Russia, situated near the modern city of Ulan-Ude, is the most investigated one among them. The site was an irregular rectangle with sides equal to approximately 200 and 300 m. On three sides, it was protected by fortification works of three walls alternating with three ditches while on the fourth side the site was protected by the Selenga river.\" §REF§(Kradin 2011, 85)§REF§ Qarshi, built by Kebek of the Chagatai Khaganate is an example \"typical of Mongolian and south Siberian cities from the Xiongnu period onwards.\"; it was \"bounded by a strong wall, 4.5 m thick, surrounded by a deep defensive ditch, 8-10 m wide and 3.5-4 m deep, and had four gates. The original layout of the city (before Timurid additions) included one central fortress/palace surrounded by an open spaced designed for the erection of tents.\"§REF§(Biran 2013, 271-272) Michal Biran. Rulers and City Life in Mongal Central Asia (1220-1370) David Durand-Guedy. Turko-Mongol Rulers, Cities and City Life. BRILL. Leiden.§REF§"
        },
        {
            "id": 257,
            "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": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"The fortified settlement of Ivolga in Russia, situated near the modern city of Ulan-Ude, is the most investigated one among them. The site was an irregular rectangle with sides equal to approximately 200 and 300 m. On three sides, it was protected by fortification works of three walls alternating with three ditches while on the fourth side the site was protected by the Selenga river.\" §REF§(Kradin 2011, 85)§REF§ \"Botanical analyses were conducted at the Ivolga site complex, an important example of a fortified settlement of 2,500-3,000 people specializing in agriculture and metal production in the Transbaikal region (Davydova 1995; Kradin 2005a). \" §REF§(Rogers 2012, 221)§REF§ <i>Qarshi, built by Kebek of the Chagatai Khaganate is an example \"typical of Mongolian and south Siberian cities from the Xiongnu period onwards.\"; it was \"bounded by a strong wall, 4.5 m thick, surrounded by a deep defensive ditch, 8-10 m wide and 3.5-4 m deep, and had four gates. The original layout of the city (before Timurid additions) included one central fortress/palace surrounded by an open spaced designed for the erection of tents.\"§REF§(Biran 2013, 271-272) Michal Biran. Rulers and City Life in Mongal Central Asia (1220-1370) David Durand-Guedy. Turko-Mongol Rulers, Cities and City Life. BRILL. Leiden.§REF§</i>"
        },
        {
            "id": 258,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 259,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 260,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 261,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Monte Albán's fortifications are relatively well understood, but no source mentions the existence of a ditch.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 262,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Monte Albán's fortifications are relatively well understood, but no source mentions the existence of a ditch.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 263,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Monte Albán's fortifications are relatively well understood, but no source mentions the existence of a ditch.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 264,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Monte Albán's fortifications are relatively well understood, but no source mentions the existence of a ditch.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 265,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Monte Albán's fortifications are relatively well understood, but no source mentions the existence of a ditch.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 266,
            "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": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " The presence of a ditch has not been recorded.§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§"
        },
        {
            "id": 267,
            "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": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " \"Whereas no sites are documented as fortified or military observatories during the Formative and Classic periods, approximately one quarter of sites are during the Epiclassic and one-third of sites are during the Postclassic.\"§REF§(Carballo and Pluckhahn 2007: 615) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7</a>.§REF§"
        },
        {
            "id": 268,
            "polity": {
                "id": 16,
                "name": "mx_aztec_emp",
                "long_name": "Aztec Empire",
                "start_year": 1427,
                "end_year": 1526
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " \"For fortifications, Aztec sites show a broad range with some totally exposed on valley floors and others being walled or at elevations. Tenochtitlan only had walls around the sacred precinct but of course had natural fortification by being an island in a lake that could be entered only through a few causeways. At the high end of fortification was the Tlaxcalan stronghold of Tepeticpac, up on a high hill and encircled by walls. That was their strategy of resistance against the Aztec empire. Huexotla is a site in the domain of Texcoco with a large wall and their were fortified garrisons on the frontier between the Aztec and Tarascan empires, in west Mexico. But probably more sites were not fortified than were. There was nothing comparable to the medieval European pattern or earlier fortified city states of Mesopotamia or elsewhere in Eurasia.\"§REF§(Carballo 2019: pers. comm. to E. Cioni and G. Nazzaro)§REF§"
        },
        {
            "id": 269,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " \"Whereas no sites are documented as fortified or military observatories during the Formative and Classic periods, approximately one quarter of sites are during the Epiclassic and one-third of sites are during the Postclassic.\"§REF§(Carballo and Pluckhahn 2007: 615) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7</a>.§REF§"
        },
        {
            "id": 270,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " May not survive archaeologically, only detectable via excavation."
        },
        {
            "id": 271,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " May not survive archaeologically, only detectable via excavation."
        },
        {
            "id": 272,
            "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": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " \"Whereas no sites are documented as fortified or military observatories during the Formative and Classic periods, approximately one quarter of sites are during the Epiclassic and one-third of sites are during the Postclassic.\"§REF§(Carballo and Pluckhahn 2007: 615) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/MUW5MHB7</a>.§REF§"
        },
        {
            "id": 273,
            "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": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " \"For urban centres in the rest of Mesoamerica, the lack of perimeter walls and defensive settings is striking. The undefended nature of Aztec towns, for example, contrasts sharply with the ethnohistoric record of Aztec warfare\".§REF§(Smith 2003: 38) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/WEIQNSNP\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/WEIQNSNP</a>§REF§"
        },
        {
            "id": 274,
            "polity": {
                "id": 524,
                "name": "mx_rosario",
                "long_name": "Oaxaca - Rosario",
                "start_year": -700,
                "end_year": -500
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " Sources§REF§Marcus and Flannery (1996) Zapotec Civilization: How urban society evolved in Mexico’s Oaxaca Valley. Flannery and Marcus (1983) The Cloud People: divergent evolution of the Zapotec and Mixtec civilizations. Museum of Anthropology, University of Michigan, Ann Arbor. Academic Press, New York.§REF§ do not mention any archaeological evidence for fortification for this period."
        },
        {
            "id": 275,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " The fact that sources mention evidence for defensive palisades§REF§Flannery, K. V. and J. Marcus (2005). Excavations at San José Mogote 1: The Household Archaeology, University of Michigan Museum, p102§REF§ but not evidence for any other kind of fortification suggests that there is only evidence for the former. Evidence for large or complex fortifications has not been found for this period."
        },
        {
            "id": 276,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " The fact that sources mention evidence for defensive palisades§REF§Flannery, K. V. and J. Marcus (2005). Excavations at San José Mogote 1: The Household Archaeology, University of Michigan Museum, p102§REF§ but not evidence for any other kind of fortification suggests that there is only evidence for the former. Evidence for large or complex fortifications has not been found for this period."
        },
        {
            "id": 277,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 278,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " §REF§(Brian Bauer 2015, personal communication)§REF§"
        },
        {
            "id": 279,
            "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": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": "§REF§(Brian Bauer 2015, personal communication)§REF§"
        },
        {
            "id": 280,
            "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": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"The chronicles mention repeated Inca incursions against their neighbours to the north, and many sites are found in areas with natural (cliffs) and artificial defenses (walls or ditches).\" §REF§(Bauer 2004, 82)§REF§"
        },
        {
            "id": 281,
            "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": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"The chronicles mention repeated Inca incursions against their neighbours to the north, and many sites are found in areas with natural (cliffs) and artificial defenses (walls or ditches).\" §REF§(Bauer 2004, 82)§REF§"
        },
        {
            "id": 282,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 283,
            "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": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"While Inca fortifications used the same architectural techniques as those of LIP populations -- concentric walls or wall-ditch complexes, baffled gates and non-aligned gates, parapets with slingstone piles -- the density, design, and defensibility of Inca forts varied from region to region, depending on function, the level of threat, and local architectural tradition (Hyslop 1990:189).\" §REF§(Arkush 2006, 534)§REF§"
        },
        {
            "id": 284,
            "polity": {
                "id": 80,
                "name": "pe_wari_emp",
                "long_name": "Wari Empire",
                "start_year": 650,
                "end_year": 999
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 285,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " Williams and Murray report the construction of spear pits: 'As a last point may be mentioned the miniature spear-pits (see p. 49) with which the paths were sometimes beset. They are mentioned as occurring in the Kokoda district, often beside a tree-trunk that has fallen across the path, so that the unwary might step over the log and into the trap. Several of the police had their feet spiked in this manner. Near Bogi, again, Mr. Alec Elliot, attacking a force of natives established in a strong position on the opposite side of a garden, found this garden to be ‘one mass of small spears and spear-pits’.' §REF§Williams, F. E. (Francis Edgar), and Hubert Murray. 1930. “Orokaiva Society.\", 166§REF§ Whether these traps qualify as fortifications remains in question."
        },
        {
            "id": 286,
            "polity": {
                "id": 446,
                "name": "pg_orokaiva_colonial",
                "long_name": "Orokaiva - Colonial",
                "start_year": 1884,
                "end_year": 1942
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": " Williams and Murray report the construction of spear pits: 'As a last point may be mentioned the miniature spear-pits (see p. 49) with which the paths were sometimes beset. They are mentioned as occurring in the Kokoda district, often beside a tree-trunk that has fallen across the path, so that the unwary might step over the log and into the trap. Several of the police had their feet spiked in this manner. Near Bogi, again, Mr. Alec Elliot, attacking a force of natives established in a strong position on the opposite side of a garden, found this garden to be ‘one mass of small spears and spear-pits’.' §REF§Williams, F. E. (Francis Edgar), and Hubert Murray. 1930. “Orokaiva Society.\", 166§REF§ Whether these traps qualify as fortifications remains in question."
        },
        {
            "id": 287,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 288,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 289,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 290,
            "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": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " Reference for use of the moat as a form of fortification in northern India around 3rd century BCE - 300 CE.§REF§(Singh 2008, 394) Upinder Singh. 2008. A History of Ancient and Early Medieval India: From the Stone Age to the 12th Century. Pearson Longman. Delhi.§REF§"
        },
        {
            "id": 291,
            "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": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": null
        },
        {
            "id": 292,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 293,
            "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": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 294,
            "polity": {
                "id": 133,
                "name": "pk_sind_abbasid_fatimid",
                "long_name": "Sind - Abbasid-Fatimid Period",
                "start_year": 854,
                "end_year": 1193
            },
            "year_from": null,
            "year_to": null,
            "tag": "SSP",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "unknown",
            "comment": null,
            "description": null
        },
        {
            "id": 295,
            "polity": {
                "id": 136,
                "name": "pk_samma_dyn",
                "long_name": "Sind - Samma Dynasty",
                "start_year": 1335,
                "end_year": 1521
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " \"The decline of the Delhi Sultanate in the 15th century led to a situation where each lord needed to fortify his province with numerous castles.\"§REF§Konstantin S Nossov. 2012. Indian Castles 1206-1526: The Rise and Fall of the Delhi Sultanate. Osprey Publishing.§REF§"
        },
        {
            "id": 296,
            "polity": {
                "id": 194,
                "name": "ru_sakha_early",
                "long_name": "Sakha - Early",
                "start_year": 1400,
                "end_year": 1632
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Tokarev and Gurvich mention fortifications surrounded by water and snow, but no additional ditches dug out around the forts: \"When speaking of structures, we should also mention the fact that in the old days the Yakuts knew how to make fortifications or ostrozhki, as they were called in the Russian texts of the 17th century. For example, in 1636-1637, during the campaign against the Kangalastsy, the Russian Cossacks found that “they had built strong forts with two walls covered with gravel, and surrounded by snow and water;” it was only after a two-day assault that the Cossacks managed to take one of these forts. In 1642 the Russians also took a Sakha fortress after great difficulty: “. . . the fort was made with two walls, the space between the walls was filled with earth, and there were log towers.” At a later stage these fortifications disappeared, and no one has described them since in detail. But even in the 19th century it was possible to find special tower-like barns here and there, which belonged to the Toyons.\" §REF§Tokarev, S. A., and Gurvich I. S. 1964. “Yakuts.” Peoples Of Siberia, 265§REF§"
        },
        {
            "id": 297,
            "polity": {
                "id": 195,
                "name": "ru_sakha_late",
                "long_name": "Sakha - Late",
                "start_year": 1632,
                "end_year": 1900
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "absent",
            "comment": null,
            "description": " Tokarev and Gurvich mention fortifications surrounded by water and snow, but no additional ditches dug out around the forts: \"When speaking of structures, we should also mention the fact that in the old days the Yakuts knew how to make fortifications or ostrozhki, as they were called in the Russian texts of the 17th century. For example, in 1636-1637, during the campaign against the Kangalastsy, the Russian Cossacks found that “they had built strong forts with two walls covered with gravel, and surrounded by snow and water;” it was only after a two-day assault that the Cossacks managed to take one of these forts. In 1642 the Russians also took a Yakut fortress after great difficulty: “. . . the fort was made with two walls, the space between the walls was filled with earth, and there were log towers.” At a later stage these fortifications disappeared, and no one has described them since in detail. But even in the 19th century it was possible to find special tower-like barns here and there, which belonged to the Toyons.\" §REF§Tokarev, S. A., and Gurvich I. S. 1964. “Yakuts.” Peoples Of Siberia, 265§REF§"
        },
        {
            "id": 298,
            "polity": {
                "id": 521,
                "name": "eg_kushite",
                "long_name": "Egypt - Kushite Period",
                "start_year": -747,
                "end_year": -656
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": null
        },
        {
            "id": 299,
            "polity": {
                "id": 131,
                "name": "sy_umayyad_cal",
                "long_name": "Umayyad Caliphate",
                "start_year": 661,
                "end_year": 750
            },
            "year_from": null,
            "year_to": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " In 684 CE deep trench dug around Fustat, in Egypt, by a governor in revolt.§REF§(Raymond 2000, 17)§REF§"
        },
        {
            "id": 300,
            "polity": {
                "id": 44,
                "name": "th_ayutthaya",
                "long_name": "Ayutthaya",
                "start_year": 1593,
                "end_year": 1767
            },
            "year_from": null,
            "year_to": null,
            "tag": "IFR",
            "is_disputed": false,
            "is_uncertain": false,
            "name": "Ditch",
            "ditch": "present",
            "comment": null,
            "description": " Previous polity had this form of fortification."
        }
    ]
}