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

Latium - Iron Age: Present 1000 BCE 717 BCE

Sind - Samma Dynasty: Absent 1340 CE 1519 CE

Mataram Sultanate: Absent 1568 CE 1703 CE

Khanate of Bukhara: Absent 1599 CE 1747 CE

Hellenistic Crete: Absent 323 BCE 69 BCE

Hmong - Late Qing: Absent 1701 CE 1895 CE

Egypt - Dynasty I: Present 3100 BCE 2901 BCE

Konya Plain - Late Bronze Age II: Present 1500 BCE 1400 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 
1056 CE 1106 CE (Holy Roman Empire - Ottonian-Salian Dynasty)
Henry IV Henry V
Overturn Intra-Elite Military Revolt
1658 CE (Republic of Venice IV)
Francesco Cornaro Bertuccio Falier
1530 CE 1540 CE (Allada)
Agagnon Agbangba
420 CE 422 CE (Western Jin)
Wu of (Liu) Song (Liu Yu) Shao of (Liu) Song (Liu Yifu, Prince of Yingyang)
External Invasion
- (Eastern Jin Dynasty)
Fei of Jin (Sima Yi, Jìn Fèi Dì) Jianwen of Jin (Sima Yu, Jìn Jiǎnwén Dì)
Overturn Intra-Elite
1450 CE 1467 CE (Jaffna)
Sri Singhabodhi Buvanekavahu Vijayavahu
Overturn External Inteference
1453 CE 1457 CE (Kingdom of Bohemia - Luxembourgian and Jagiellonian Dynasty)
Ladislaus the Posthumous (Ladislav Pohrobek) George of Podebrady (Jiří z Poděbrad)
1449 CE 1473 CE (Ashikaga Shogunate)
Ashikaga Yoshimasa Ashikaga Yoshihisa
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 
540 CE 554 CE (East Roman Empire)
Sixth Century Crisis & Justinian Plague
Epidemic Capital Loss
1528 CE 1570 CE (Inca Empire)
Inca decline and civil war
Population Decline Population Collapse Epidemic Elite Downward Mobility Civil War Capital Loss External Conquest Ruler Assassination Constitution Change
74 BCE 63 BCE (Hellenistic Crete)
Mithridatic Wars
External Conquest
1325 CE 1361 CE (Chagatai Khanate)
Fragmentation of Chagatai Khanate
Uprising Fragmentation External Conquest Ruler Assassination Ruler Depose
1070 BCE (Egypt - New Kingdom Ramesside Period)
Collapse of New Kingdom state
Epidemic Uprising Civil War Fragmentation Constitution Change
1171 CE 1206 CE (Early Mongols)
Crisis in Mongolian Confederacy
Civil War Ruler Assassination
190 CE 250 CE (Xianbei Confederation)
Decline of Xianbei Confederation
Elite Downward Mobility Fragmentation Ruler Assassination
538 CE 668 CE (Asuka)
Reform Period
Uprising Constitution 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, 1918 Lynching (race) in Mississippi (MS), Shubuta: 4 were killed.   Paul A. Gilje, Riots In The United States

Oct. 1, 1871 Riot (labor) in Minnesota (MN), Oak Lake: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Aug. 1, 1923 Riot in Pennsylvania (PA), Johnstown: 6 were killed.   Hartford Daily Courant Or The Hartford Courant

Sept. 11, 2010 Terrorism in Kentucky (KY), Jackson: 5 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

March 1, 1886 Riot (race) in Mississippi (MS), Carrollton: 20 were killed.   Paul A. Gilje, Riots In The United States

Feb. 1, 1898 Lynching (race) in Kentucky (KY), Mayfield: 1 was killed.   Paul A. Gilje, Riots In The United States

April 1, 1921 Riot (race) in Florida (FL), Winter Haven: 1 was killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1995 Terrorism in New York (NY), New York City: 2 were killed.   The New York Times

and 1941 more ...