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 8888 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 542 Polities

Social Complexity Variables
77 variables 26068 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 376 Polities

Human Sacrifice
357 records

Kachi Plain - Urban Period II: Absent 2100 BCE 1801 BCE

Majapahit Kingdom: Absent 1292 CE 1518 CE

Republic of Venice III: Absent 1205 CE 1563 CE

Hawaii I: Absent 1000 CE 1199 CE

Konya Plain - Early Neolithic: Absent 7100 BCE 7001 BCE

Shuar - Colonial: Absent 1534 CE 1830 CE

Canaan: Present 2000 BCE 1181 BCE

Bamana kingdom: Present 1712 CE 1818 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 
867 CE 886 CE (Byzantine Empire II)
Basil I, the Macedonian Leo VI, the Wise
Overturn Intra-Elite Predecessor Assassination
1580 CE 1585 CE (Allada)
Kin-Ha Mindji
1099 CE 1118 CE (Rome - Republic of St Peter II)
Paschal II (Rainerius of Bieda) Gelasius II (John of Gaeta)
Overturn Intra-Elite
1835 CE 1856 CE (Igala)
Amocheje Aku Odiba
1640 CE 1652 CE (Ilú-ọba Ọ̀yọ́)
Oluodo Ajagbo
1449 CE 1450 CE (Timurid Empire)
Abdal-Latif Abdullah Mirza
Overturn Intra-Elite Predecessor Assassination
1565 CE (Hausa bakwai)
Yakufu Dauda Abasama
Overturn Intra-Elite
452 CE 465 CE (Northern Wei)
Wencheng of Northern Wei (Touba Jun, Wen Cheng Ti) Xianwen of Northern Wei (Tuoba Hong, Hsien Wen Ti)

and 3439 more ... coded for 264 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 
583 CE 700 CE (Eastern Turk Khaganate)
Division of Turkic Khaganate into western and eastern halves
Population Decline Epidemic Elite Downward Mobility Civil War Fragmentation Ruler Assassination
1171 CE 1206 CE (Early Mongols)
Crisis in Mongolian Confederacy
Civil War Ruler Assassination
1254 CE 1273 CE (Holy Roman Empire - Hohenstaufen and Welf Dynasties)
Great Interregnum
Elite Downward Mobility Uprising Civil War Fragmentation Constitution Change
500 CE 600 CE (Classic Basin of Mexico)
Crisis at Teotihuacan
Population Decline Civil War Lasted > a Century
1387 CE 1390 CE (Mali Empire)
Elite Internal Struggles, decline of Mali's power, rise of Songhai
Ruler Assassination Ruler Depose
1524 CE 1589 CE (Safavid Empire)
Sixteenth-century crisis in the Safavid Empire
Elite Extermination Civil War Fragmentation External Conquest Ruler Depose
844 BCE 840 BCE (Western Zhou)
Military and Popular Uprisings
Uprising Ruler Depose
1140 CE 1300 CE (Chaco Canyon - Late Bonito phase)
Site abandonment, internal conflict, increasing inequality
Population Decline Lasted > a Century

and 161 more ... coded for 153 Polities

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

Jan. 1, 1787 Riot (political) in Massachusetts (MA), Springfield: 4 were killed.   Paul A. Gilje, Riots In The United States

Nov. 8, 1992 Terrorism in California (CA), Paso Robles: 6 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

May 3, 1982 Terrorism in Alaska (AK), Anchorage: 4 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

Aug. 1, 1913 Lynching (race) in North Carolina (NC), Charlotte: 1 was killed.   Paul A. Gilje, Riots In The United States

March 1, 2009 Terrorism (work) in Alabama (AL), Geneva: 11 were killed.   The New York Times

Feb. 1, 2008 Terrorism (education) in Illinois (IL), Dekalb: 6 were killed.   The New York Times

Jan. 8, 2011 Terrorism (political) in Arizona (AZ), Tucson: 6 were killed.   The New York Times

Jan. 1, 1876 Riot (political) in South Carolina (SC), Edgefield: 1 was killed.   Paul A. Gilje, Riots In The United States

and 1941 more ...