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

Magadha - Maurya Empire: Absent 303 BCE 194 BCE

Egypt - Dynasty I: Present 3100 BCE 2901 BCE

Roman Kingdom: Absent 716 BCE 510 BCE

Hmong - Late Qing: Absent 1701 CE 1895 CE

Kediri Kingdom: Present 1049 CE 1222 CE

Susiana - Early Ubaid: Unknown 5100 BCE 4701 BCE

Cahokia - Moorehead: Present 1200 CE 1274 CE

Samanid Empire: Absent 876 CE 990 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 
974 CE 991 CE (Buyid Confederation)
Al-Tai Al-Qadir
Overturn Intra-Elite External Inteference
- (Early Cholas)
Gunamudita None
321 BCE 315 BCE (Eastern Zhou)
King Shenjing of Zhou (Ji Ding, Shên-ching) King Nan of Zhou (Ji Yan)
1598 CE 1608 CE (Electorate of Brandenburg)
Joachim Frederick John Sigismund
1236 CE 1240 CE (Delhi Sultanate)
Razia Bahram
Overturn Intra-Elite Military Revolt
628 CE 630 CE (Sasanid Empire II)
Ardashir III Shahrbaraz
Overturn Military Revolt Predecessor Assassination
457 CE 459 CE (Sasanid Empire I)
Hormizd III Peroz
Overturn Intra-Elite Predecessor Assassination
249 CE 262 CE (Anurādhapura II)
Gothabhaya Jetthatissa I

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 
453 CE 469 CE (Kingdom of the Huns)
Internal Power Struggles and end of the Hun Empire
Fragmentation Ruler Assassination
145 BCE 130 BCE (Greco-Bactrian Kingdom)
Decline of Greco-Bactrian Kingdom
External Conquest
1200 BCE 1150 BCE (Phoenician Empire)
Late Bronze Age Collapse
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
1156 CE 1185 CE (Heian)
Rebellion and Civil War
Elite Downward Mobility Uprising Civil War Ruler Depose Constitution Change
1748 CE 1803 CE (Mughal Empire)
Fragmentation of the Mughal Empire
Population Decline Epidemic Elite Downward Mobility Civil War Fragmentation External Conquest Ruler Depose Constitution Change
1670 CE 1701 CE (Akan - Pre-Ashanti)
Separatist Rebellion
Elite Downward Mobility Uprising Constitution Change
755 CE 763 CE (Tang Dynasty I)
An Lushan Rebellion
Population Decline Uprising Capital Loss 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)

Dec. 1, 1869 Lynching (race) in North Carolina (NC), Alamance: 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

Aug. 1, 1869 Riot (race) in Virginia (VA), Heathsville: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

May 1, 1857 Riot (unknown (?)) in Vermont (VT), Bakersfield: 1 was killed.   Paul A. Gilje, Riots In The United States

May 30, 2023 Terrorism (ethnic) in New York (NY), New York City, New York: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

Oct. 1, 1868 Riot (race) in Louisiana (LA), Opelousas: 7 were killed.   Hartford Daily Courant Or The Hartford Courant

March 1, 1869 Lynching (political) in Georgia (GA), Warrenton: 1 was killed.   Paul A. Gilje, Riots In The United States

July 1, 1978 Riot (prison) in Georgia (GA), Reidsville: 3 were killed.   Hartford Daily Courant Or The Hartford Courant

and 1941 more ...