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

Kansai - Yayoi Period: Absent 300 BCE 249 CE

Western Han Empire: Transitional (Present -> Absent) 202 BCE 9 CE

Eastern Turk Khaganate: Present 583 CE 630 CE

Cuzco - Late Intermediate II: Absent 1250 CE 1399 CE

Elam - Shimashki Period: Absent 2028 BCE 1940 BCE

Egypt - Thebes-Libyan Period: Present 1069 BCE 761 BCE

Orokaiva - Colonial: Absent 1884 CE 1942 CE

Ancient Khwarazm: Unknown 999 BCE 751 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 
1821 CE 1822 CE (Imamate of Futa Toro)
Yusuf Bokar Modibbo Kan
1205 CE 1235 CE (Hungary Kingdom - Árpád Dynasty)
Andrew II Béla IV
423 CE 452 CE (Northern Wei)
Taiwu of Northern Wei (Tuoba Tao, T’ai Wu Ti) Touba Yu (Nan-an Wang)
Overturn Intra-Elite Predecessor Assassination
1994 CE 2000 CE (Late United Mexican States)
Ernesto Zedillo Vicente Fox
1490 CE 1493 CE (Ashikaga Shogunate)
Ashikaga Yoshitane Ashikaga Yoshizumi
Overturn
1540 CE 1550 CE (Allada)
Agbangba Hueze
1337 CE 1343 CE (Ifat Sultanate)
Abut Zubair
189 CE (Eastern Han Empire)
Shaodi (Minor Emperor) Xiandi
Overturn Predecessor Assassination

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 
1910 CE 1920 CE (Early United Mexican States)
Mexican Revolution
Uprising Revolution Successful Revolution Civil War Ruler Assassination Ruler Depose Constitution Change
1670 CE 1701 CE (Akan - Pre-Ashanti)
Separatist Rebellion
Elite Downward Mobility Uprising Constitution Change
1075 BCE 1045 BCE (Late Shang)
Decline of Shang - foundation of Zhou Dynasty
Uprising External Conquest
546 BCE 453 BCE (Jin)
Civil War
Elite Downward Mobility Civil War Lasted > a Century Fragmentation External Conquest
1856 CE 1864 CE (Russian Empire, Romanov Dynasty II)
Reforms of Tsar Alexander II
Labor Change Unfree Labor Change Public Goods Change
551 CE (Rouran Khaganate)
Overthrow of Rouran Khaganate by Turkic peoples
Elite Downward Mobility Elite Extermination External Conquest
1050 CE 1203 CE (Later Wagadu Empire)
Decline of Wagadu
Elite Downward Mobility Lasted > a Century Capital Loss External Conquest Religion Change
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

and 161 more ... coded for 153 Polities

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

Oct. 1, 1882 Riot (political) in South Carolina (SC), Lancaster: 7 were killed.   Hartford Daily Courant Or The Hartford Courant

July 1, 1916 Terrorism (political) in California (CA), San Francisco: 10 were killed.   Wikipedia

March 1, 1931 Lynching (race) in Mississippi (MS), Inverness, Sunflower: 1 was killed.   Paul A. Gilje, Riots In The United States

May 21, 2006 Terrorism in Louisiana (LA), Baton Rouge: 5 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

Sept. 1, 1900 Riot (ethnic, labor) in Pennsylvania (PA), Shenandoah: 2 were killed.   Paul A. Gilje, Riots In The United States

March 1, 1868 Assassination (political) in Georgia (GA), Columbus: 1 was killed.   Paul A. Gilje, Riots In The United States

Feb. 1, 1871 Lynching (extralegal, race) in South Carolina (SC), Union: 10 were killed.   Paul A. Gilje, Riots In The United States

Aug. 1, 1842 Riot (ethnic) in Ohio (OH), Cincinnati: 1 was killed.   Paul A. Gilje, Riots In The United States

and 1941 more ...