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

British East India Company: Absent 1757 CE 1858 CE

Hephthalite Empire: Absent 426 CE 561 CE

Egypt - Middle Kingdom: Present 2016 BCE 1721 BCE

Early Angkor: Absent 802 CE 1100 CE

Kansai - Kofun Period: Absent 250 CE 537 CE

Himyar I: Absent 270 CE 340 CE

Akkadian Empire: Present 2250 BCE 2113 BCE

Hawaii II: Absent 1200 CE 1349 CE

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 
1818 CE 1819 CE (Durrani Empire)
Sultan Ali Shah No Successor
47 BCE 42 BCE (Anurādhapura I)
Anula Kutakanna Tissa
Overturn Military Revolt
1810 CE 1812 CE (Imamate of Futa Toro)
Bokar Lamin Bal Interregnum
Intra-Elite
946 CE 955 CE (Anglo-Saxon England II)
Edred Eadwig
1665 CE 1700 CE (Spanish Empire I)
Charles II Philip V
160 BCE 143 BCE (Yehuda)
Jonathan Apphus Simon Thassi
Overturn External Invasion Predecessor Assassination
1316 CE (French Kingdom - Late Capetian)
John I Philip V, the Tall
Intra-Elite
947 CE 948 CE (Five Dynasties Period)
Emperor Taizong of Liao (Kao Tsu, Yaogu, Liu Chih-yuan) Shizong of Liao (Yelü Ruan, Yin Ti)
Military Revolt Popular Uprising

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 
1065 CE 1105 CE (Khitan I)
Natural Disasters
Population Decline Uprising Civil War
1432 CE (Late Angkor)
Collapse of Angkor
Population Decline Epidemic Elite Downward Mobility Fragmentation External Conquest Ruler Depose
145 BCE 130 BCE (Greco-Bactrian Kingdom)
Decline of Greco-Bactrian Kingdom
External Conquest
1568 CE 1609 CE (Spanish Empire I)
Eighty Years' War and plague in Habsburg Spain
Population Decline Epidemic Constitution Change
1363 CE 1388 CE (Kingdom of Norway II)
Unions and Disunities
Ruler Depose Constitution Change
306 CE 324 CE (Roman Empire - Dominate)
Civil Wars of Tetrarchy
Uprising Civil War Constitution Change
700 BCE 500 BCE (Oaxaca - Rosario)
Increased violent conflict and social differentiation during Rosario phase
Population Decline Fragmentation
1140 CE 1300 CE (Chaco Regional System - Late)
Site abandonment, internal conflict, increasing inequality
Population Decline Lasted > a Century

and 161 more ... coded for 153 Polities

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

Feb. 15, 2019 Terrorism (work) in Illinois (IL), Aurora: 5 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

April 1, 1996 Terrorism (race) in Mississippi (MS), Jackson: 2 were killed.   SPLC: Southern Poverty Law Center

April 1, 1857 Lynching (section) in Kansas (KS), Leavework: 2 were killed.   Paul A. Gilje, Riots In The United States

Nov. 1, 1917 Lynching (race) in Georgia (GA): 1 was killed.   Paul A. Gilje, Riots In The United States

Sept. 1, 1904 Lynching (extralegal) in Alabama (AL), Huntsville: 1 was killed.   Paul A. Gilje, Riots In The United States

July 1, 1903 Riot (race) in Pennsylvania (PA), Indiana: 2 were killed.   Hartford Daily Courant Or The Hartford Courant

Nov. 30, 2021 Terrorism (education) in Michigan (MI), Oxford: 4 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Dec. 1, 1993 Terrorism in New York (NY), L.I.R.R: 6 were killed.   The New York Times

and 1941 more ...