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

Late Cappadocia: Absent 129 BCE 95 BCE

Himyar I: Absent 270 CE 340 CE

Latium - Bronze Age: Unknown 1800 BCE 1001 BCE

Early A'chik: Present 1775 CE 1867 CE

Kansai - Yayoi Period: Present 300 BCE 249 CE

Early Merovingian: Absent 481 CE 542 CE

Hallstatt B2-3: Absent 900 BCE 701 BCE

Kediri Kingdom: Present 1049 CE 1222 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 
1041 CE 1044 CE (Hungary Kingdom - Árpád Dynasty)
Samuel Aba Peter (Second Reign)
Overturn Intra-Elite External Invasion External Inteference Predecessor Assassination
1823 CE (Kingdom of Saloum)
Ndéné Mbarou Ndiaye Balé Ndoungou Khourédia Ndao
581 CE 604 CE (Sui Dynasty)
Wen of Sui (Yang Jian, Wen Ti) Yang of Sui (Yang Guang, Yang Ti)
Overturn
556 BCE (Neo-Babylonian Empire)
Labashi-Marduk Nabonidus
Overturn Intra-Elite Predecessor Assassination
1395 CE 1408 CE (Buganda I)
Kintu Cwa I Nabaka
Intra-Elite
1909 CE 1925 CE (Qajar Dynasty)
Aḥmad End of dynasty
Overturn Military Revolt
1874 CE 1891 CE (Kingdom of Hawaii - Post-Kamehameha Period)
Kalākaua Liliʻuokalani
897 CE 930 CE (Heian)
Daigo Suzaku

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 
983 CE 1062 CE (Buyid Confederation)
Decline of Buyid Dynasty
Elite Downward Mobility Civil War Fragmentation External Conquest Ruler Depose
20 BCE 6 CE (Armenian Kingdom)
Civil War and collapse
Uprising Civil War External Conquest Ruler Assassination
1254 CE 1273 CE (Holy Roman Empire - Hohenstaufen and Welf Dynasties)
Great Interregnum
Elite Downward Mobility Uprising Civil War Fragmentation Constitution Change
1236 CE 1242 CE (Kievan Rus)
Disintegration of the Kievan Rus
Elite Downward Mobility Fragmentation External Conquest Ruler Depose
1911 CE 1912 CE (Late Qing)
Chinese Revolution
Population Decline Elite Downward Mobility Elite Extermination Uprising Revolution Successful Revolution Civil War Ruler Depose Constitution Change
523 CE 535 CE (Northern Wei)
Rebellions and Civil War
Uprising Civil War Fragmentation Ruler Assassination Ruler Depose
1060 CE 1085 CE (Northern Song)
Government conflict and Wang An-shi reforms
Public Goods Change
1470 CE 1500 CE (Inca Empire)
Inca succession crisis'
Uprising

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, 1918 Riot (race) in Pennsylvania (PA), Chester: 5 were killed. -

Sept. 1, 1868 Lynching (political, race) in Arkansas (AR), Salem: 1 was killed.   Paul A. Gilje, Riots In The United States

June 1, 2020 Riot (race) in Iowa (IA), Davenport: 2 were killed.   The Des Moines Register

July 1, 1893 Lynching (race) in Delaware (DE), Wilmington: 1 was killed.   Paul A. Gilje, Riots In The United States

Nov. 1, 1916 Riot (labor) in Washington (WA), Everett: 7 were killed.   Hartford Daily Courant Or The Hartford Courant

Jan. 1, 1868 Riot (section) in Tennessee (TN), Fayetteville, Lincoln: 2 were killed.   Paul A. Gilje, Riots In The United States

Jan. 1, 1881 Assassination (political) in Maryland (MD): 1 was killed. -

Jan. 23, 2023 Terrorism (work) in California (CA), Half Moon Bay: 7 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

and 1941 more ...