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 8876 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 533 Polities

Social Complexity Variables
77 variables 25011 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 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

Proto-French Kingdom: Absent 987 CE 1149 CE

Old Palace Crete: Present 1900 BCE 1701 BCE

Atlantic Complex: Unknown 2200 BCE 1001 BCE

Oaxaca - Rosario: Present 700 BCE 501 BCE

Beaker Culture: Unknown 3200 BCE 2301 BCE

Western Turk Khaganate: Present 582 CE 603 CE

Monte Alban II: Present 100 BCE 199 CE

Rouran Khaganate: Absent 300 CE 551 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 
904 CE 907 CE (Tang Dynasty II)
Ai of Tang (Zhaoxuan of Tang, Li Zuo, Li Chu, Ai Ti) End of dynasty - Emperor Taizu (Zhu Quanzhong, T’ai Tsu, Chu Wen) creates Later Liang dynasty.
Overturn Intra-Elite Predecessor Assassination
1540 CE 1550 CE (Allada)
Agbangba Hueze
1528 CE 1555 CE (Buganda)
Kayima Nakibinge
Intra-Elite Separatist Rebellion Predecessor Assassination
1341 CE 1342 CE (Egypt - Mamluk Sultanate I)
Al-Ashraf Kujkuk Al-Salih Ismail
Overturn Intra-Elite Military Revolt
1697 CE 1719 CE (Kingdom of Baol)
Lat Sukaabe Mali Kumba Dyaring
710 CE 712 CE (Tang Dynasty I)
Ruizong of Tang (Li Dan, Jui Tsung) Xuanzong of Tang (Ming of Tang, Li Longji, Hsuan Tsung)
1557 CE 1578 CE (Portuguese Empire - Renaissance Period)
Sebastion Henry the Cardinal
1818 CE 1819 CE (Durrani Empire)
Sultan Ali Shah No Successor

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 
1387 CE 1390 CE (Mali Empire)
Elite Internal Struggles, decline of Mali's power, rise of Songhai
Ruler Assassination Ruler Depose
546 BCE 453 BCE (Jin)
Civil War
Elite Downward Mobility Civil War Lasted > a Century Fragmentation External Conquest
190 CE 250 CE (Xianbei Confederation)
Decline of Xianbei Confederation
Elite Downward Mobility Fragmentation Ruler Assassination
1432 CE (Late Angkor)
Collapse of Angkor
Population Decline Epidemic Elite Downward Mobility Fragmentation External Conquest Ruler Depose
1856 CE 1864 CE (Russian Empire, Romanov Dynasty II)
Reforms of Tsar Alexander II
Labor Change Unfree Labor Change Public Goods Change
1823 CE 1895 CE (Ashanti Empire)
Series of Wars against the British (Anglo-Ashanti Wars)
Elite Downward Mobility Elite Extermination Uprising Revolution Civil War Capital Loss External Conquest Ruler Depose Constitution Change
509 BCE (Roman Kingdom)
Foundation of the Roman Republic
Population Decline Elite Downward Mobility Revolution Successful Revolution Civil War Constitution Change
1718 CE 1778 CE (Late Illinois Confederation)
French-British colonization, attacks by Haudenosaunee, internal conflict
Population Decline Population Collapse Epidemic Elite Downward Mobility Uprising Civil War Fragmentation External Conquest

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, 1934 Riot (prison) in Illinois (IL), Pontiac: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Oct. 1, 1871 Riot (labor) in Minnesota (MN), Oak Lake: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Jan. 1, 1870 Lynching (race) in Mississippi (MS), Okibbeha: 1 was killed.   Paul A. Gilje, Riots In The United States

Oct. 10, 1991 Terrorism in New Jersey (NJ), Ridgewood: 4 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

March 1, 2012 Terrorism (education) in Florida (FL), Miami: 2 were killed.   Reuters

April 13, 2017 Riot (ethnic) in North Dakota (ND) / South Dakota (SD), Standing Rock Reservation: 1 was killed.   Inquisitr

Feb. 1, 1904 Lynching (race) in Mississippi (MS), Vicksburg: 2 were killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1929 Riot (prison) in Kansas (KS), Leavenworth: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

and 1895 more ...