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 26068 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 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

Oaxaca - Tierras Largas: Absent 1400 BCE 1151 BCE

Sakha - Late: Absent 1643 CE 1900 CE

Ghur Principality: Absent 1193 CE 1206 CE

Cahokia - Middle Woodland: Absent 150 BCE 299 CE

Postpalatial Crete: Present 1300 BCE 1201 BCE

Early Merovingian: Absent 481 CE 542 CE

Egypt - Period of the Regions: Present 2150 BCE 2017 BCE

Elam III: Absent 612 BCE 540 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 
1328 CE 1350 CE (French Kingdom - Early Valois)
Philip VI John II
1470 CE (Plantagenet England)
Henry VI Edward IV
Overturn Intra-Elite Predecessor Assassination
1119 CE 1124 CE (Rome - Republic of St Peter II)
Calixtus II (Guido of Burgundy) Honorius II (Lambert Scannabecchi)
Intra-Elite Military Revolt
1719 CE 1726 CE (Mataram Sultanate)
Susuhunan Amangkurat IV Susuhunan Pakubuwono II
External Invasion
1328 CE 1350 CE (Majapahit Kingdom)
Tribhuwana Wijayatunggadewi Hayam Wuruk
External Invasion External Inteference
1933 CE 1936 CE (United States of America - Contemporary)
Franklin D. Roosevelt Franklin D. Roosevelt
1356 CE 1361 CE (Republic of Venice III)
Giovanni Dolfin Lorenzi Celsi
1571 CE 1598 CE (Electorate of Brandenburg)
John George Joachim Frederick

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 
1550 CE 1590 CE (Hawaii II)
Dynastic Crisis
Elite Downward Mobility Uprising Ruler Assassination Ruler Depose
904 CE 1003 CE (Saffarid Caliphate)
Civil War and downfall of Saffarids
Uprising Civil War External Conquest Ruler Depose
190 CE 250 CE (Xianbei Confederation)
Decline of Xianbei Confederation
Elite Downward Mobility Fragmentation Ruler Assassination
1153 CE 1214 CE (Jin Dynasty)
Unrest & flooding
Population Decline Elite Extermination Uprising Civil War External Conquest Ruler Assassination Ruler Depose
1065 CE (Anglo-Saxon England II)
Norman Invasion and Conquest
Elite Downward Mobility External Conquest
585 CE 590 CE (Lombard Kingdom)
Civil War
1171 CE 1206 CE (Early Mongols)
Crisis in Mongolian Confederacy
Civil War Ruler Assassination
1740 CE 1780 CE (Austria - Habsburg Dynasty II)
Reforms of Marie Theresa
Public Goods Change

and 161 more ... coded for 153 Polities

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

July 1, 1862 Riot (race) in Ohio (OH), Toledo: 1 was killed.   Paul A. Gilje, Riots In The United States

June 26, 2021 Terrorism (race) in Massachusetts (MA), Winthrop, Suffolk: 3 were killed.   ACLED: The Armed Conflict Location & Event Data

Aug. 1, 1967 Assassination (political) in Virginia (VA), Arlington: 1 was killed.   Wikipedia

June 1, 1913 Riot (labor) in Louisiana (LA), New Orleans: 1 was killed.   Paul A. Gilje, Riots In The United States

June 1, 1903 Riot in Missouri (MO), St. Louis: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

May 1, 1927 Riot in New York (NY), New York City: 2 were killed.   Paul A. Gilje, Riots In The United States

June 16, 2022 Terrorism in Alabama (AL), Birmingham: 3 were killed.  

Jan. 1, 2015 Terrorism (work) in New York (NY), New York City: 2 were killed.   NYP: The New York Post

and 1941 more ...