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 26084 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

Haudenosaunee Confederacy - Early: Present 1566 CE 1713 CE

Yangshao: Present 5000 BCE 3501 BCE

Hawaii II: Absent 1200 CE 1349 CE

Funan II: Unknown 540 CE 639 CE

Yemen - Late Bronze Age: Absent 1200 BCE 801 BCE

Cuzco - Late Intermediate I: Absent 1000 CE 1249 CE

Republic of Venice III: Absent 1205 CE 1563 CE

La Tene A-B1: Present 474 BCE 325 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 
1293 CE 1294 CE (Egypt - Mamluk Sultanate I)
Al-Nasir Muhammad I Al-Adil Kitbugha
Overturn Intra-Elite Military Revolt
1825 CE 1855 CE (Russian Empire, Romanov Dynasty II)
Nicholas Alexander II the Liberator
1923 CE 1924 CE (Us Reconstruction-Progressive)
Calvin Coolidge Calvin Coolidge
1719 CE (Mughal Empire)
Rafi ul Daula Muhammad Shah
Intra-Elite Military Revolt
217 CE 218 CE (Roman Empire - Principate)
Macrinus Diadumenian
Overturn Intra-Elite Military Revolt Predecessor Assassination
1135 CE 1136 CE (Seljuk Sultanate)
Al-Rashid Al-Muqtafi
Overturn Intra-Elite External Invasion External Inteference
1945 CE 1949 CE (United States of America - Contemporary)
Harry S. Truman Harry S. Truman
1757 CE 1774 CE (Ottoman Empire III)
Mustafa III Abdulhamid I

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 
2200 BCE 2113 BCE (Akkadian Empire)
Collapse of Akkadian Empire
Population Decline Uprising Civil War External Conquest
494 BCE 287 BCE (Early Roman Republic)
Crisis of the Orders
Uprising Lasted > a Century Constitution Change Labor Change Suffrage
840 CE 843 CE (Carolingian Empire II)
Carolingian Civil War
Elite Downward Mobility Civil War Fragmentation Ruler Depose Constitution Change
453 CE 469 CE (Kingdom of the Huns)
Internal Power Struggles and end of the Hun Empire
Fragmentation Ruler Assassination
20 BCE 6 CE (Armenian Kingdom)
Civil War and collapse
Uprising Civil War External Conquest Ruler Assassination
1000 BCE 961 BCE (Yisrael)
Civil War in Israel and Judah
Uprising Civil War Ruler Assassination Ruler Depose
111 BCE 102 BCE (Western Han Empire)
Series of Uprising, Revolts and Invasions
Uprising
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

and 161 more ... coded for 153 Polities

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

Feb. 1, 1946 Riot (race) in Tennessee (TN), Columbia: 2 were killed.   Paul A. Gilje, Riots In The United States

June 1, 1972 Terrorism (race) in New Jersey (NJ), Elizabeth: 1 was killed.   The New York Times

May 6, 2023 Terrorism (race) in Texas (TX), Allen, Collin: 9 were killed.   ACLED: The Armed Conflict Location & Event Data

March 16, 2021 Terrorism (ethnic) in Georgia (GA), Acworth: 8 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Dec. 1, 1896 Lynching (extralegal) in Missouri (MO), Lexington: 2 were killed.   The New York Times

March 1, 1965 Lynching (race) in Alabama (AL), Selma: 1 was killed.   Wikipedia

Jan. 9, 2021 Terrorism in Illinois (IL), Evanston: 5 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

March 1, 1993 Riot (religion) in Florida (FL), Pensacola: 1 was killed.   WaPo: The Washington Post

and 1940 more ...