Seshat: Global History Databank

✓ the most current and comprehensive body of knowledge about human history
✓ collects what is currently known about the social and political organization of human societies over time
✓ offers the means to study the past through well-established scientific techniques
✓ founded in 2011 and thriving ever since

Seshat

General Variables
26 variables 8878 records

Alternative Name (Identity and Location)

Polity Peak Years (Temporal Bounds)

Polity Capital (Identity and Location)

Polity Language (Language)

Polity Religion (Religion)

Degree of Centralization (Temporal Bounds)

Succeeding Entity (Supra-cultural relations)

Relationship to Preceding Entity (Supra-cultural relations)

and 18 more ... for 543 Polities

Social Complexity Variables
77 variables 26087 records

Polity Territory (Social Scale)

Polity Population (Social Scale)

Settlement Hierarchy (Hierarchical Complexity)

Irrigation System (Specialized Buildings: polity owned)

Merit Promotion (Bureaucracy Characteristics)

Formal Legal Code (Law)

Road (Transport Infrastructure)

Postal Station (Information / Postal System)

and 69 more ... for 619 Polities

Warfare Variables
49 variables 17536 records

Bronze (Military use of Metals)

Javelin (Projectiles)

Battle Axe (Handheld Weapons)

Sword (Handheld Weapons)

Horse (Animals used in warfare)

Small Vessels (canoes, etc) (Naval technology)

Shield (Armor)

Wooden Palisade (Fortifications)

and 41 more ... for 377 Polities

Human Sacrifice
357 records

Cahokia - Late Woodland II: Absent 450 CE 599 CE

Neo-Hittite Kingdoms: Present 1180 BCE 901 BCE

Shuar - Colonial: Absent 1534 CE 1830 CE

Kingdom of Hawaii - Kamehameha Period: Absent 1804 CE 1819 CE

Yemen - Era of Warlords: Absent 1038 CE 1174 CE

Cuzco - Early Intermediate I: Absent 200 CE 499 CE

Chalukyas of Badami: Absent 543 CE 753 CE

Ottoman Empire IV: Absent 1873 CE 1919 CE

and 349 more ... coded for 323 Polities

CrisisDB

Power Transitions
Overturn / Intra-Elite / Military Revolt / Popular Uprising / Separatist Rebellion / External Invasion / External Interference / Predecessor Assassination 
170 BCE 116 BCE (Ptolemaic Kingdom II)
Ptolemy VIII Euergetes II Ptolemy IX Soter II
170 CE 200 CE (Kansai - Yayoi Period)
Kogen Kaika
1226 CE 1244 CE (Kamakura Shogunate)
Fujiwara no Yoritsune Fujiwara no Yoritsugu
262 CE 273 CE (Anurādhapura II)
Jetthatissa I Mahasena
1445 CE 1471 CE (Adal Sultanate)
Muhammad ibn Badlay Ibrahim I
1665 CE 1695 CE (Kingdom of Jolof)
Bakar Penda Xole Bakantam Gan
1489 CE 1490 CE (Classic Tana)
al-Ḥasan b. Sulaymān Ibrāhīm b. Muḥammad
Overturn Intra-Elite
506 CE 515 CE (Anurādhapura III)
Kumara Dass Kirti Sena
Overturn

and 3439 more ... coded for 263 Polities

Crisis Consequences
Population Decline / Population Collapse / Elite Downward Mobility / Elite Extermination / Uprising / Revolution / Successful Revolution / Civil War / Lasted > a Century / Capital Loss / External Conquest / Ruler Assassination / Ruler Depose / Constitution Change / Labor Change / Unfree Labor Change / Suffrage / Public Goods Change / Religion Change 
1700 BCE (Egypt - Middle Kingdom)
Collapse of Middle Kingdom state
Elite Downward Mobility Civil War Fragmentation Ruler Assassination
1335 CE 1339 CE (Ilkhanate)
Fall of the Ilkhanate
Population Decline Epidemic Elite Downward Mobility Elite Extermination Civil War Fragmentation Ruler Assassination Ruler Depose
453 CE 469 CE (Kingdom of the Huns)
Internal Power Struggles and end of the Hun Empire
Fragmentation Ruler Assassination
67 BCE 63 BCE (Yehuda)
Hasmonean Civil Wars
Elite Downward Mobility Uprising Civil War External Conquest Ruler Depose Constitution Change
1455 CE 1487 CE (Plantagenet England)
Wars of the Roses
Population Decline Epidemic Elite Downward Mobility Uprising Civil War Ruler Assassination Ruler Depose
1861 CE 1865 CE (Antebellum US)
American Civil War
Elite Downward Mobility Uprising Civil War Fragmentation Ruler Assassination Constitution Change Unfree Labor Change
744 CE 750 CE (Umayyad Caliphate)
Third Fitna and fall of Umayyad Caliphate
Epidemic Uprising Revolution Successful Revolution Civil War Ruler Assassination Ruler Depose
901 CE 907 CE (Tang Dynasty II)
Fall of the Tang Dynasty
Elite Downward Mobility Elite Extermination Civil War Fragmentation Capital Loss Ruler Assassination Ruler Depose

and 161 more ... coded for 153 Polities

🇺🇸 US Political Violence Database
Date / Violence Type / Violence Subtype(s) / Location(s) / Fatalities / Narrative / Source(s)

Sept. 2, 2022 Assassination in Nevada (NV), Las Vegas, Clark: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

April 1, 2002 Terrorism (work) in New Jersey (NJ), Dover: 6 were killed.   The New York Times

May 1, 1876 Riot (political) in Indiana (IN), Indianapolis: 3 were killed.   Hartford Daily Courant Or The Hartford Courant

March 1, 1880 Lynching (extralegal) in New Mexico (NM), Las Vegas: 3 were killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1852 Riot in Ohio (OH), Fremont: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Nov. 1, 1991 Terrorism (education) in Iowa (IA), Iowa City: 5 were killed.   The New York Times

Oct. 1, 1971 Riot (prison) in Texas (TX), Dallas: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

June 1, 1865 Riot (military) in New York (NY), New York City: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

and 1938 more ...