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 26069 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

Naqada II: Absent 3550 BCE 3301 BCE

Early Angkor: Absent 802 CE 1100 CE

Western Zhou: Present 1122 BCE 795 BCE

Majapahit Kingdom: Absent 1292 CE 1518 CE

Konya Plain - Ceramic Neolithic: Absent 7000 BCE 6601 BCE

Naqada II: Present 3550 BCE 3301 BCE

Chenla: Absent 550 CE 825 CE

Oaxaca - San Jose: Absent 1150 BCE 701 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 
1442 CE 1450 CE (Kanem-Borno)
Ibrahim II Kadai
1145 CE 1153 CE (Rome - Republic of St Peter II)
Eugenius III (Bernardo Pignatelli) Anastasius IV (Conrad of Rome)
Predecessor Assassination
1366 CE 1389 CE (Classic Tana)
Sulaymān b. Sulaymān b. al-Ḥasan al-Ḥusayn b. Sulaymān
1437 CE 1439 CE (Hungary Kingdom - Anjou and Later Dynasties)
Albert II of Habsburg Vladislaus I
Overturn Intra-Elite
1861 CE 1876 CE (Ottoman Empire IV)
Abdulaziz Murad V
Overturn Intra-Elite
1663 CE 1692 CE (Mutapa)
Kamharapasu Mukombwe Nyakambira
1570 CE 1580 CE (Kanem-Borno)
Aissa Kili Idris Alooma
1187 CE (Polonnaruwa)
Mahinda VI Nissanka Malla
Overturn Intra-Elite 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 
150 CE 224 CE (Parthian Empire II)
Fall of the Parthian Empire
Epidemic Civil War External Conquest Ruler Assassination
1917 CE 1923 CE (Russian Empire, Romanov Dynasty II)
Russian Revolution and Civil War
Population Decline Elite Downward Mobility Elite Extermination Uprising Revolution Successful Revolution Civil War Fragmentation Capital Loss Ruler Assassination Ruler Depose Constitution 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
1850 CE 1864 CE (Late Qing)
Taiping Rebellion
Population Decline Uprising Revolution Civil War External Conquest Ruler Depose
1193 CE 1260 CE (Ayyubid Sultanate)
Decline and fall of Ayyubid dynasty
Population Decline Uprising Fragmentation External Conquest Ruler Depose
450 BCE 250 BCE (Classical Crete)
Elite Infighting & Polity Wars
Civil War Lasted > a Century Constitution Change
180 CE 189 CE (Kansai - Yayoi Period)
Civil War of Wa
Elite Downward Mobility Civil War
1060 CE 1072 CE (Fatimid Caliphate)
Fatimid Civil War
Uprising Civil War Capital Loss External Conquest Ruler Depose

and 161 more ... coded for 153 Polities

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

May 1, 1930 Riot (race) in Oklahoma (OK), Chickasha: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 6, 2021 Riot (political) in Washington (WA), Washington, D.C., District of Columbia: 3 were killed.   ACLED: The Armed Conflict Location & Event Data

Aug. 1, 1854 Riot (ethnic) in Missouri (MO), St. Louis: 9 were killed.   Paul A. Gilje, Riots In The United States

Oct. 1, 1874 Riot (political) in Alabama (AL), Mongomery: 1 was killed.   The New York Times

June 26, 2021 Terrorism (race) in Massachusetts (MA), Winthrop, Suffolk: 3 were killed.   ACLED: The Armed Conflict Location & Event Data

July 1, 1862 Riot (race) in Ohio (OH), Toledo: 1 was killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1995 Terrorism (political) in California (CA), Sacramento: 1 was killed.   Wikipedia

Oct. 1, 1919 Riot (race) in Georgia (GA), Washington: 2 were killed.   The New York Times

and 1941 more ...