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

French Kingdom - Early Bourbon: Absent 1589 CE 1659 CE

Funan II: Unknown 540 CE 639 CE

Satavahana Empire: Absent 100 BCE 203 CE

Susiana - Early Ubaid: Unknown 5100 BCE 4701 BCE

Ilkhanate: Present 1263 CE 1326 CE

Yemen Ziyadid Dynasty: Absent 822 CE 1037 CE

Chalukyas of Badami: Absent 543 CE 753 CE

Late Angkor: Absent 1220 CE 1431 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 
1733 CE 1758 CE (Ayutthaya)
Borommakot Suriyamarin (Ekkathat)
Intra-Elite
1833 CE (Imamate of Futa Toro)
Yusuf Biran
1928 CE 1930 CE (Late United Mexican States)
Emilio Portes Gil Pascual Ortiz Rubio
Intra-Elite
1198 CE 1208 CE (Holy Roman Empire - Hohenstaufen Faction)
Philip of Swabia None
Predecessor Assassination
1086 CE 1087 CE (Rome - Republic of St Peter II)
Victor III (Desiderius of Monte Cassino) Urban II (Odo of Lagery)
Intra-Elite External Invasion External Inteference
959 CE 963 CE (Byzantine Empire II)
Romanus II Nicephorus II Phocas
Overturn Intra-Elite Military Revolt Popular Uprising Predecessor Assassination
1662 CE 1671 CE (Emirate of Harar)
Hashim ibn Ali Abdallah ibn Ali
1746 CE 1754 CE (Ilú-ọba Ọ̀yọ́)
Onisile Labisi
Overturn Intra-Elite

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 
1640 CE 1656 CE (Ottoman Empire II)
Seventeenth Century Crisis
Population Decline Epidemic Ruler Assassination Ruler Depose
235 CE 284 CE (Roman Empire - Principate)
Third Century Crisis
Population Decline Epidemic Elite Downward Mobility Civil War Ruler Assassination
1454 CE 1455 CE (Oirats)
Death of Esen Taishi and internal unrest
Uprising Civil War Ruler Assassination
1650 CE (Sakha - Late)
Smallpox Epidemic
Population Decline Epidemic
865 CE 866 CE (Byzantine Empire I)
Rise of Macedonioan Emperors
Ruler Assassination
1810 CE 1821 CE (Spanish Empire II)
Mexican War of Independence
Elite Downward Mobility Uprising Revolution Successful Revolution Civil War Ruler Assassination Ruler Depose Constitution Change
180 CE 189 CE (Kansai - Yayoi Period)
Civil War of Wa
Elite Downward Mobility Civil War
306 CE 324 CE (Roman Empire - Dominate)
Civil Wars of Tetrarchy
Uprising Civil War 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)

Aug. 1, 1943 Riot (race) in New York (NY), New York City: 5 were killed.   Paul A. Gilje, Riots In The United States

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

July 1, 1857 Riot in New York (NY), New York City: 12 were killed.   Paul A. Gilje, Riots In The United States

Sept. 1, 1913 Riot (race) in Maryland (MD), Baltimore: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Nov. 1, 1898 Riot (political, race) in South Carolina (SC), Greenwood: 12 were killed.   Paul A. Gilje, Riots In The United States

Nov. 13, 2022 Terrorism (education) in Idaho (ID), Moscow: 4 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Sept. 1, 1868 Assassination (political) in South Carolina (SC), Abbeville: 1 was killed.   Paul A. Gilje, Riots In The United States

July 1, 1967 Riot (race) in Michigan (MI), Detroit: 43 were killed.   Hartford Daily Courant Or The Hartford Courant

and 1941 more ...