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

Objects

47

Seshat Regions

West Africa (Africa)

Southern Europe (Europe)

East Africa (Africa)

Central Europe (Europe)

Anatolia-Caucasus (Southwest Asia)

Western Europe (Europe)

Iran (Southwest Asia)

North China (East Asia)

and 39 more ... in 10 Macro Regions.

862

Polities

Tibet Kingdom (in: Tibet) 620 CE 846 CE

Early Cheras (in: Southern India) 300 BCE 300 CE

Chaco Canyon - Mesa Verde phase (in: Western North America) 1201 CE 1300 CE

Cahokia - Emergent Mississippian I (in: Mississippi Basin) 750 CE 900 CE

Chu Kingdom - Spring and Autumn Period (in: South China) 740 BCE 489 BCE

Bito Dynasty (in: Central Africa) 1700 CE 1894 CE

Ayyubid Sultanate (in: Northeast Africa) 1171 CE 1250 CE

Eastern Zhou (in: North China) 475 BCE 256 BCE

and 854 more ... in 47 Seshat Regions.

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

Majapahit Kingdom: Present 1292 CE 1518 CE

Roman Empire - Dominate: Absent 285 CE 394 CE

Jin: Present 780 BCE 489 BCE

Early Roman Republic: Present 509 BCE 265 BCE

Republic of Venice III: Absent 1205 CE 1563 CE

Late Mongols: Present 1368 CE 1580 CE

Old Palace Crete: Present 1900 BCE 1701 BCE

Chalukyas of Badami: Absent 543 CE 753 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 
1314 CE 1348 CE (Holy Roman Empire - Fragmented Period)
Louis IV of Bavaria Charles IV of Luxembourg
Intra-Elite
1821 CE 1845 CE (Kingdom of Kaffa)
Gaha Nechocho Gawi Nechocho
Separatist Rebellion
797 CE 802 CE (Byzantine Empire I)
Irene (queen) Nicephorus I
Overturn Intra-Elite Military Revolt
1663 CE 1692 CE (Mutapa)
Kamharapasu Mukombwe Nyakambira
1560 CE 1580 CE (Allada)
Agbande Kin-Ha
1850 CE 1851 CE (Imamate of Futa Toro)
Alfa Sire Wan Interregnum
1198 CE 1208 CE (Holy Roman Empire - Hohenstaufen Faction)
Philip of Swabia None
Predecessor Assassination
- (Papal States - High Medieval Period)
Innocent III (Lotario di Segni) Honorius III (Cencio Savelli)

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 
585 CE 590 CE (Lombard Kingdom)
Civil War
540 CE 554 CE (East Roman Empire)
Sixth Century Crisis & Justinian Plague
Epidemic Capital Loss
570 BCE 525 BCE (Egypt - Saite Period)
Fall of Twenty-sixth Dynasty
Uprising External Conquest Ruler Assassination Ruler Depose
150 CE 224 CE (Parthian Empire II)
Fall of the Parthian Empire
Epidemic Civil War External Conquest Ruler Assassination
1644 CE 1683 CE (Great Ming)
Fall of the Ming Dynasty
Population Decline Epidemic Uprising Revolution Civil War Capital Loss External Conquest Ruler Depose
1524 CE 1589 CE (Safavid Empire)
Sixteenth-century crisis in the Safavid Empire
Elite Extermination Civil War Fragmentation External Conquest Ruler Depose
700 BCE 500 BCE (Oaxaca - Rosario)
Increased violent conflict and social differentiation during Rosario phase
Population Decline Fragmentation
509 BCE (Roman Kingdom)
Foundation of the Roman Republic
Population Decline Elite Downward Mobility Revolution Successful Revolution Civil War 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)

Sept. 1, 1976 Riot (race) in New York (NY), New York City: 1 was killed.   Paul A. Gilje, Riots In The United States

July 1, 1916 Terrorism (political) in California (CA), San Francisco: 10 were killed.   Wikipedia

Nov. 1, 1850 Riot (ethnic) in Pennsylvania (PA), Pittsburgh: 5 were killed.   Hartford Daily Courant Or The Hartford Courant

Nov. 1, 1897 Lynching (extralegal) in North Dakota (ND), Williamsport: 3 were killed.   The New York Times

July 1, 1919 Riot (labor) in Illinois (IL), Argos: 2 were killed.   Paul A. Gilje, Riots In The United States

July 1, 1995 Terrorism (work) in California (CA), Los Angeles: 4 were killed.   The New York Times

Sept. 23, 2016 Terrorism in Washington (WA), Burlington: 5 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

June 15, 2024 Terrorism in Michigan (MI), Rochester Hills, Oakland: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

and 1941 more ...