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 26069 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

Cuzco - Early Intermediate I: Absent 200 CE 499 CE

Asuka: Absent 538 CE 710 CE

Elam - Early Sukkalmah: Absent 1900 BCE 1701 BCE

Inca Empire: Present 1400 CE 1531 CE

Konya Plain - Early Bronze Age: Unknown 2900 BCE 2001 BCE

Second Turk Khaganate: Present 684 CE 744 CE

Susiana - Muhammad Jaffar: Unknown 7000 BCE 6001 BCE

Postpalatial Crete: Present 1300 BCE 1201 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 
222 CE 235 CE (Roman Empire - Principate)
Severus Alexander Maximinus the Thracian
Overturn Intra-Elite Military Revolt Popular Uprising Predecessor Assassination
1452 CE 1463 CE (Hausa bakwai)
Yakubu Mohamma Rimfa
1203 CE 1219 CE (Kamakura Shogunate)
Minamoto no Sanetomo Fujiwara no Yoritsune
Overturn Intra-Elite Predecessor Assassination
1761 CE 1762 CE (Mutapa)
Zeze Mutanika
Overturn Intra-Elite
1815 CE 1848 CE (Kwararafa)
Zikeenya Agbu Manu I
- (Papal States - High Medieval Period)
Urban IV (Jacques Pantaleon) Clement IV (Guy Foulques)
Intra-Elite Separatist Rebellion
1054 CE 1073 CE (Kievan Rus)
Iziaslav I Sviatoslav II
Overturn External Invasion
1835 CE 1848 CE (Bito Dynasty)
Nyabongo II Mugenyi Biranga Olimi IV Rwakabale
Overturn Intra-Elite

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 
1528 CE 1537 CE (Songhai Empire - Askiya Dynasty)
Succession Crisis
Ruler Assassination Ruler Depose
455 CE 476 CE (Western Roman Empire - Late Antiquity)
Collapse of Western Empire
Elite Downward Mobility Fragmentation External Conquest Ruler Assassination Ruler Depose Constitution Change
1911 CE 1912 CE (Late Qing)
Chinese Revolution
Population Decline Elite Downward Mobility Elite Extermination Uprising Revolution Successful Revolution Civil War Ruler Depose Constitution Change
1848 CE 1867 CE (Austria - Habsburg Dynasty II)
Habsburg Empire Revolution
Elite Downward Mobility Uprising Revolution Constitution Change Unfree Labor Change
232 BCE 187 BCE (Magadha - Maurya Empire)
Fall of Mauryan Empire
Fragmentation External Conquest Ruler Assassination
936 CE 1024 CE (Holy Roman Empire - Ottonian-Salian Dynasty)
Civil wars, dynastic conflict
Uprising Civil War Ruler Depose
900 CE 1000 CE (Monte Alban V Early Postclassic)
Fragmentation of Monte Albán state
Lasted > a Century Fragmentation
900 CE 1100 CE (Wari Empire)
End of Wari Settlements
Population Decline Population Collapse

and 161 more ... coded for 153 Polities

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

May 1, 1856 Riot (section) in Kansas (KS), Prairie City: 2 were killed.   Paul A. Gilje, Riots In The United States

Nov. 13, 2022 Terrorism (education) in Idaho (ID), Moscow: 4 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Jan. 1, 1918 Lynching (race) in Georgia (GA), Valdosta: 4 were killed. -

June 1, 1969 Riot (prison) in Kansas (KS), Lansing: 1 was killed. -

Jan. 1, 1910 Riot (labor) in New Jersey (NJ), Jersey City: 3 were killed.   Paul A. Gilje, Riots In The United States

Oct. 1, 1929 Riot (prison) in Colorado (CO), Colorado State Penitentiary: 12 were killed.   The New York Times

Dec. 1, 1920 Riot (race) in Kansas (KS), Independence: 2 were killed.   Paul A. Gilje, Riots In The United States

July 17, 2016 Terrorism in Louisiana (LA), Baton Rouge: 3 were killed.  

and 1941 more ...