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

Haudenosaunee Confederacy - Early: Present 1566 CE 1713 CE

Hephthalite Empire: Present 426 CE 561 CE

Kansai - Kofun Period: Absent 250 CE 537 CE

Egypt - Inter-Occupation Period: Absent 404 BCE 343 BCE

Rome - Republic of St Peter II: Absent 904 CE 1197 CE

Kachi Plain - Proto-Historic Period: Unknown 1300 BCE 551 BCE

Elam - Crisis Period: Absent 1100 BCE 901 BCE

Longshan: Present 3000 BCE 1900 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 
1812 CE 1817 CE (Antebellum US)
James Madison James Monroe
1727 CE 1749 CE (Nkore)
Macwa Rwabirere; Karara I; Karaiga; Kahaya I
1841 CE 1845 CE (Ethiopia Kingdom III)
Sahle Dengel Yohannes III
Intra-Elite
1704 CE 1705 CE (Mutapa)
Zenda Mupunzagutu
Overturn Intra-Elite
- (Eastern Jin Dynasty)
Fei of Jin (Sima Yi, Jìn Fèi Dì) Jianwen of Jin (Sima Yu, Jìn Jiǎnwén Dì)
Overturn Intra-Elite
475 CE 476 CE (Western Roman Empire - Late Antiquity)
Romulus Augustus Odovacar
Overturn Military Revolt External Invasion
720 CE 724 CE (Umayyad Caliphate)
Yazid II Hisham
673 CE (Middle Merovingian)
Theuderic III Childeric II
Overturn Intra-Elite

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 
1642 CE 1651 CE (England Tudor-Stuart)
English Civil War
Population Decline Elite Downward Mobility Uprising Revolution Civil War Ruler Assassination Constitution Change
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
1200 BCE 1150 BCE (Phoenician Empire)
Late Bronze Age Collapse
900 CE 1000 CE (Monte Alban V Early Postclassic)
Fragmentation of Monte Albán state
Lasted > a Century Fragmentation
639 CE 687 CE (Middle Merovingian)
Division of Merovingian kingdom (after Clovis I)
Civil War Fragmentation External Conquest Ruler Depose
1638 CE 1684 CE (Haudenosaunee Confederacy - Early)
Beaver Wars
Population Decline Epidemic Civil War Fragmentation
1425 CE 1450 CE (Grand Principality of Moscow, Mongolian period)
Civil war
Civil War Capital Loss External Conquest Ruler Depose
1000 CE 1056 CE (Icelandic Commonwealth)
Conversion to Christianity
Constitution Change Religion Change

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, 2011 Terrorism (political) in Texas (TX), San Antonio: 2 were killed.   Reuters

Feb. 1, 1965 Riot (political) in Alabama (AL), Marion: 1 was killed.   The New York Times

April 1, 1788 Riot in New York (NY), New York City: 3 were killed. -

Aug. 5, 2012 Terrorism (ethnic) in Wisconsin (WI), Oak Creek: 7 were killed.   Reuters

March 1, 2006 Terrorism in California (CA), Elk Grove: 1 was killed.   The New York Times

Aug. 1, 1911 Lynching (extralegal, race) in Pennsylvania (PA), Coatesville: 1 was killed.   Paul A. Gilje, Riots In The United States

Feb. 1, 1870 Lynching (race) in North Carolina (NC), Graham, Alamance: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1857 Riot (ethnic) in New York (NY), Albion: 2 were killed.   Hartford Daily Courant Or The Hartford Courant

and 1941 more ...