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 8889 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 543 Polities

Social Complexity Variables
77 variables 26062 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

Badarian: Absent 4400 BCE 3800 BCE

Early Angkor: Absent 802 CE 1100 CE

Ottoman Emirate: Absent 1393 CE 1402 CE

Axum II: Absent 350 CE 599 CE

Late Qing: Absent 1796 CE 1912 CE

Konya Plain - Early Chalcolithic: Unknown 6000 BCE 5501 BCE

Tokugawa Shogunate: Absent 1603 CE 1868 CE

Achaemenid Empire: Present 550 BCE 331 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 
1549 CE (Kingdom of Cayor)
Detye Fu-N'diogu Amari
785 CE 786 CE (Abbasid Caliphate I)
Al-Hadi Harun al-Rashid
1085 CE 1100 CE (Northern Song)
Zhezong of Song (Zhao Xu, Che Tsung) Huizong of Song (Zhao Ji, Hui Tsung)
1095 CE 1134 CE (Hausa bakwai)
Gijimasu Nawata and Gawata
1846 CE 1847 CE (Early United Mexican States)
Jose Mariano Salas Antonio López de Santa Anna
1323 CE 1328 CE (Great Yuan)
Taiding of Yuan (T’ai-ting Ti, Yesün Temür) Tianshun of Yuan (Ragibagh)
940 CE 944 CE (Abbasid Caliphate I)
Al-Muttaqi Al-Mustakfi
Overturn Military Revolt
707 CE 715 CE (Nara Kingdom)
Empress Genmei Empress Genshō

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 
1528 CE 1537 CE (Songhai Empire - Askiya Dynasty)
Succession Crisis
Ruler Assassination Ruler Depose
1153 CE 1214 CE (Jin Dynasty)
Unrest & flooding
Population Decline Elite Extermination Uprising Civil War External Conquest Ruler Assassination Ruler Depose
1351 CE 1368 CE (Great Yuan)
Fall of the Yuan Dynasty
Elite Downward Mobility Uprising Revolution Successful Revolution Civil War External Conquest
1516 CE 1517 CE (Egypt - Mamluk Sultanate III)
Fall of the Burji dynasty
Capital Loss External Conquest Ruler Assassination Ruler Depose Constitution Change
1405 CE 1526 CE (Timurid Empire)
Disintegration of Timurid Empire
Civil War Lasted > a Century Fragmentation External Conquest
150 CE 224 CE (Parthian Empire II)
Fall of the Parthian Empire
Epidemic Civil War External Conquest Ruler Assassination
1650 CE (Sakha - Late)
Smallpox Epidemic
Population Decline Epidemic
546 BCE 453 BCE (Jin)
Civil War
Elite Downward Mobility Civil War Lasted > a Century Fragmentation External Conquest

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, 2013 Terrorism (education) in Colorado (CO), Centennial: 2 were killed.   Reuters

Nov. 1, 1898 Riot (race) in South Carolina (SC), Piney Grove: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1855 Riot (labor) in New York (NY), Ridgeway: 1 was killed.   The New York Times

Aug. 1, 1845 Riot (economic) in New York (NY), Andes: 1 was killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1876 Riot (race (?)) in Louisiana (LA), Monroe: 2 were killed.   The New York Times

July 1, 1910 Lynching (race) in Missouri (MO), Charleston: 2 were killed.   Paul A. Gilje, Riots In The United States

July 1, 1919 Riot (race) in Washington (WA), Washington, D.C., District of Columbia: 5 were killed.   Paul A. Gilje, Riots In The United States

July 28, 2019 Terrorism in California (CA): 3 were killed.  

and 1941 more ...