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 8877 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 25102 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 17537 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 377 Polities

Human Sacrifice
357 records

Kachi Plain - Pre-Urban Period: Unknown 3200 BCE 2501 BCE

Cahokia - Emergent Mississippian II: Absent 900 CE 1049 CE

Cuzco - Early Intermediate I: Absent 200 CE 499 CE

Susa I: Unknown 4300 BCE 3801 BCE

Sakha - Late: Absent 1643 CE 1900 CE

Mughal Empire: Absent 1687 CE 1720 CE

Tang Dynasty II: Absent 763 CE 907 CE

Mali Empire: Present 1235 CE 1410 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 
913 CE 923 CE (Five Dynasties Period)
Mo of Later Liang (Zhu Youzhen, Zhu Zhen, Mo Ti) End of Later Liang dynasty - Chung Tsung (Li Ts’un-hsu)#
Overturn Military Revolt External Invasion
1573 CE 1576 CE (Polish–Lithuanian Commonwealth)
Henry of Valois Stephen Báthory
External Inteference
128 BCE 123 BCE (Parthian Empire I)
Artabanus I Mithridates II, the Great
External Invasion
1595 CE 1603 CE (Ottoman Empire II)
Mehmed III Ahmed I
1809 CE 1815 CE (Kingdom of Baol)
Tié-Yaasin Duieng Tié Kumba Faatim
1976 CE 1982 CE (Late United Mexican States)
José López Portillo y Pacheco Miguel de la Madrid
48 BCE 33 BCE (Western Han Empire)
Yuandi Chengdi
1741 CE 1762 CE (Russian Empire, Romanov Dynasty I)
Elizabeth Catherine II the Great
Overturn Intra-Elite

and 3440 more ... coded for 263 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 
990 CE 1019 CE (Medang Kingdom)
Unrest and Collapse of Medang
Elite Downward Mobility Elite Extermination Uprising Fragmentation Ruler Assassination
1254 CE 1273 CE (Holy Roman Empire - Hohenstaufen and Welf Dynasties)
Great Interregnum
Elite Downward Mobility Uprising Civil War Fragmentation Constitution Change
900 CE 1000 CE (Monte Alban V Early Postclassic)
Fragmentation of Monte Albán state
Lasted > a Century Fragmentation
1470 CE 1500 CE (Inca Empire)
Inca succession crisis'
Uprising
1810 CE (Rattanakosin)
Coup
Uprising Capital Loss Ruler Assassination Ruler Depose
1899 CE 1914 CE (Chuuk - Late Truk)
European Proxy Conflicts
Capital Loss External Conquest Constitution Change
1670 CE 1701 CE (Akan - Pre-Ashanti)
Separatist Rebellion
Elite Downward Mobility Uprising Constitution Change
1700 BCE (Egypt - Middle Kingdom)
Collapse of Middle Kingdom state
Elite Downward Mobility Civil War Fragmentation Ruler Assassination

and 161 more ... coded for 153 Polities

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

Jan. 1, 1898 Riot (race) in Mississippi (MS), Harpersville: 10 were killed.   Paul A. Gilje, Riots In The United States

March 1, 1897 Riot (economic) in Tennessee (TN), Knoxville: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

May 1, 1934 Riot (labor) in Alabama (AL), Birmingham: 2 were killed.   Paul A. Gilje, Riots In The United States

Oct. 25, 2021 Terrorism in Idaho (ID), Boise, Ada: 3 were killed.   ACLED: The Armed Conflict Location & Event Data

Oct. 18, 2017 Terrorism (work) in Maryland (MD), Edgewood: 3 were killed.  

July 1, 1877 Lynching (race) in Mississippi (MS), Yazoo: 2 were killed.   The New York Times

Oct. 14, 2023 Terrorism (political) in Illinois (IL), Plainfield, Will: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

July 1, 1870 Riot (ethnic) in New York (NY), New York City: 3 were killed.   Cook, Paul A. Gilje, Riots In The United States

and 1938 more ...