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 8864 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 532 Polities

Social Complexity Variables
77 variables 24869 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 616 Polities

Warfare Variables
49 variables 17537 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

Satavahana Empire: Absent 100 BCE 203 CE

OOpsian: Present 300 BCE 249 CE

Kachi Plain - Proto-Historic Period: Unknown 1300 BCE 551 BCE

Hmong - Late Qing: Absent 1701 CE 1895 CE

Jin Dynasty: Absent 1127 CE 1234 CE

Seleucids: Absent 312 BCE 63 BCE

Ottoman Empire IV: Absent 1873 CE 1919 CE

Mahajanapada era: Absent 600 BCE 325 BCE

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 
1870 CE 1902 CE (Aro)
Kanu Oji end of polity
364 CE 378 CE (Roman Empire - Dominate)
Valentinian I (364-375) Valens (364-378) Theodosius I, the Great (379-395) Gratian (375-383) Valentinian II (375-392) Eugenius (392-394)
Overturn Intra-Elite Popular Uprising External Inteference
1073 CE 1085 CE (Rome - Republic of St Peter II)
Gregory VII (Hildebrand) Victor III (Desiderius of Monte Cassino)
Overturn Intra-Elite Military Revolt Popular Uprising External Invasion
1584 CE 1598 CE (Grand Principality of Moscow, Rurikid Dynasty)
Feodor I Boris
Intra-Elite
1777 CE 1809 CE (Kingdom of Baol)
None Tié-Yaasin Duieng
1768 CE 1770 CE (Mutapa)
Changara I Ganyambadzi
1394 CE 1399 CE (Late Mongols)
Elbeg Kün Temür
Intra-Elite Predecessor Assassination
1280 CE 1287 CE (Golden Horde)
Töde Möngke Töle Buqa

and 3441 more ... coded for 261 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 
1562 CE 1598 CE (French Kingdom - Late Valois)
French Wars of Religion
Population Decline Epidemic Elite Downward Mobility Elite Extermination Uprising Civil War Capital Loss Ruler Assassination
150 CE 224 CE (Parthian Empire II)
Fall of the Parthian Empire
Epidemic Civil War External Conquest Ruler Assassination
1519 CE 1521 CE (Aztec Empire)
Spanish conquest of the Aztec Empire
Population Decline Epidemic Elite Downward Mobility Uprising Civil War Capital Loss External Conquest
1351 CE 1368 CE (Great Yuan)
Fall of the Yuan Dynasty
Elite Downward Mobility Uprising Revolution Successful Revolution Civil War External Conquest
1335 CE 1339 CE (Ilkhanate)
Fall of the Ilkhanate
Population Decline Epidemic Elite Downward Mobility Elite Extermination Civil War Fragmentation Ruler Assassination Ruler Depose
1917 CE 1923 CE (Russian Empire, Romanov Dynasty II)
Russian Revolution and Civil War
Population Decline Elite Downward Mobility Elite Extermination Uprising Revolution Successful Revolution Civil War Fragmentation Capital Loss Ruler Assassination Ruler Depose Constitution Change Religion Change
1065 CE 1105 CE (Khitan I)
Natural Disasters
Population Decline Uprising Civil War
877 CE 888 CE (Carolingian Empire II)
Fragmentation of Carlingian Rule
Uprising Civil War Fragmentation Constitution Change

and 161 more ... coded for 153 Polities

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

Aug. 1, 2006 Terrorism in New York (NY), New York City: 1 was killed.   The New York Times

Feb. 20, 2016 Terrorism in Michigan (MI), Kalamazoo: 6 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Dec. 1, 1917 Riot in Connecticut (CT), Bridgeport: 2 were killed.   Hartford Daily Courant Or The Hartford Courant

Oct. 1, 1913 Riot (labor) in Michigan (MI), Calumet: 2 were killed.   Hartford Daily Courant Or The Hartford Courant

Oct. 14, 2023 Terrorism (political) in Illinois (IL), Plainfield, Will: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

June 1, 1919 Riot (race) in Illinois (IL), Chicago: 2 were killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1874 Lynching (race) in Tennessee (TN), Trenton: 4 were killed.   Paul A. Gilje, Riots In The United States

March 1, 1993 Riot (religion) in Florida (FL), Pensacola: 1 was killed.   WaPo: The Washington Post

and 1895 more ...