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

Neo-Hittite Kingdoms: Present 1180 BCE 901 BCE

Susiana A: Unknown 6000 BCE 5701 BCE

Phrygian Kingdom: Absent 900 BCE 696 BCE

Axum II: Absent 350 CE 599 CE

Cahokia - Late Woodland III: Absent 600 CE 749 CE

Kingdom of Lydia: Unknown 670 BCE 547 BCE

Kachi Plain - Pre-Urban Period: Unknown 3200 BCE 2501 BCE

Pre-Ceramic Period: Unknown 7800 BCE 7201 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 
251 CE 253 CE (Roman Empire - Principate)
Trebonianus Gallus Volusian
Overturn Military Revolt Separatist Rebellion Predecessor Assassination
928 CE 931 CE (Rome - Republic of St Peter II)
Stephen VII John XI
Overturn Predecessor Assassination
1879 CE 1881 CE (Futa Jallon)
Ibrahima Sori III Ahmadu Dara Alfaya
1143 BCE 1136 BCE (Egypt - New Kingdom Ramesside Period)
Rameses VI / Nebmaatra Meryamun Rameses VII / Usermaatra Setepenra Meryamun
1417 CE 1431 CE (Papal States - Renaissance Period)
Martin V (Oddone Colonna) Eugenius IV (Gabriele Condulmer)
Intra-Elite
641 CE (Byzantine Empire I)
Constantine III Heraclonas
1095 CE 1134 CE (Hausa bakwai)
Gijimasu Nawata and Gawata
1793 CE 1808 CE (Kanem-Borno)
Ahmad ibn Ali Dunama Lafiami

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 
1050 CE 1203 CE (Later Wagadu Empire)
Decline of Wagadu
Elite Downward Mobility Lasted > a Century Capital Loss External Conquest Religion Change
1359 CE 1381 CE (Golden Horde)
Great Troubles
Uprising Civil War Fragmentation Capital Loss Ruler Assassination
509 BCE (Roman Kingdom)
Foundation of the Roman Republic
Population Decline Elite Downward Mobility Revolution Successful Revolution Civil War Constitution Change
1405 CE 1526 CE (Timurid Empire)
Disintegration of Timurid Empire
Civil War Lasted > a Century Fragmentation External Conquest
551 CE (Rouran Khaganate)
Overthrow of Rouran Khaganate by Turkic peoples
Elite Downward Mobility Elite Extermination External Conquest
1819 CE 1820 CE (Kingdom of Hawaii - Kamehameha Period)
Contact Period
Population Decline Epidemic
1905 CE 1911 CE (Qajar Dynasty)
Persian Constitutional Revolution
Elite Downward Mobility Uprising Revolution Successful Revolution Ruler Depose Constitution Change
540 CE 554 CE (East Roman Empire)
Sixth Century Crisis & Justinian Plague
Epidemic Capital Loss

and 161 more ... coded for 153 Polities

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

June 1, 1943 Riot (race) in Michigan (MI), Detroit: 34 were killed.   Hartford Daily Courant Or The Hartford Courant

Jan. 1, 1986 Riot (prison) in West Virginia (WV), Moundsville: 3 were killed.   The New York Times

Sept. 1, 1920 Terrorism (political) in New York (NY), New York: 38 were killed.   Wikipedia

Aug. 1, 1844 Riot (extralegal) in Texas (TX), Shelbyville: 20 were killed.   Paul A. Gilje, Riots In The United States

Nov. 1, 1917 Lynching (race) in West Virginia (WV), Welch: 1 was killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1941 Riot (race) in North Carolina (NC), Fayetteville: 2 were killed.   Paul A. Gilje, Riots In The United States

Nov. 1, 1976 Terrorism in New York (NY), Mechanicville: 2 were killed.   The New York Times

Jan. 1, 1900 Lynching (extralegal) in Kansas (KS): 2 were killed.   Paul A. Gilje, Riots In The United States

and 1941 more ...