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 8887 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 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 618 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

Cahokia - Late Woodland II: Absent 450 CE 599 CE

Tocharians: Absent 129 BCE 29 CE

Oaxaca - Rosario: Present 700 BCE 501 BCE

Hallstatt B2-3: Present 900 BCE 701 BCE

French Kingdom - Early Bourbon: Absent 1589 CE 1659 CE

Hawaii III: Present 1650 CE 1777 CE

Hephthalite Empire: Present 426 CE 561 CE

Susa III: Absent 3100 BCE 2676 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 
242 CE (Kushan Empire)
Kanishka II Vasishka
668 CE 670 CE (Late Pallava Empire)
Mahendravarman II Parmeshvarvarman I
1299 CE 1309 CE (Egypt - Mamluk Sultanate I)
Al-Nasir Muhammad I Al-Muzaffar Baybars II
Overturn Intra-Elite Military Revolt
1608 CE 1618 CE (Electorate of Brandenburg)
John Sigismund end of polity
1479 CE 1487 CE (Late Mongols)
Bayan Möngke Bolqu Jinong Batu Möngke Dayan
1473 CE 1477 CE (Benin Empire)
Ezoti Olua
Intra-Elite
931 CE 936 CE (Rome - Republic of St Peter II)
John XI Leo VII
Intra-Elite
1665 CE 1700 CE (Spanish Empire I)
Charles II Philip V

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 
1528 CE 1570 CE (Inca Empire)
Inca decline and civil war
Population Decline Population Collapse Epidemic Elite Downward Mobility Civil War Capital Loss External Conquest Ruler Assassination Constitution Change
1638 CE 1684 CE (Haudenosaunee Confederacy - Early)
Beaver Wars
Population Decline Epidemic Civil War Fragmentation
403 BCE 256 BCE (Eastern Zhou)
Fragmentation of Eastern Zhou (Warring States)
Elite Downward Mobility Civil War Fragmentation External Conquest
744 CE 750 CE (Umayyad Caliphate)
Third Fitna and fall of Umayyad Caliphate
Epidemic Uprising Revolution Successful Revolution Civil War Ruler Assassination Ruler Depose
157 BCE 63 BCE (Seleucid Empire)
Seleucid Dynastic Wars
Uprising Civil War Fragmentation External Conquest Ruler Assassination Ruler Depose
1523 CE (Delhi Sultanate)
Fragmentation of Delhi Sultanate in fifteenth century, conquest by Mughal emperors in 1522.
Elite Downward Mobility Fragmentation External Conquest Ruler Depose
1000 CE 1150 CE (Late Tiwanaku)
Collapse of Tiwanaku Empire
Population Decline Population Collapse Capital Loss
354 BCE 341 BCE (Early Wei Dynasty)
Decine after losses against Qi

and 161 more ... coded for 153 Polities

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

Sept. 1, 1870 Lynching (political, race) in Alabama (AL), Greene: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1886 Lynching (race) in Virginia (VA), Prince Edward: 1 was killed.   Paul A. Gilje, Riots In The United States

July 1, 1866 Riot (political, race) in Louisiana (LA), New Orleans: 38 were killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1867 Riot (race) in South Carolina (SC), Hunnicutt's Crossing: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1943 Riot (race) in California (CA), Impo: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Oct. 1, 1916 Lynching (race) in South Carolina (SC), Abbeville: 1 was killed.   Paul A. Gilje, Riots In The United States

June 1, 1863 Lynching (race) in New York (NY), Newburgh: 1 was killed.   Paul A. Gilje, Riots In The United States

March 1, 1870 Assassination (political, race) in Alabama (AL), Eaton, Green: 2 were killed.   Paul A. Gilje, Riots In The United States

and 1939 more ...