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

Objects

47

Seshat Regions

West Africa (Africa)

Southern Europe (Europe)

East Africa (Africa)

Central Europe (Europe)

Anatolia-Caucasus (Southwest Asia)

Western Europe (Europe)

Iran (Southwest Asia)

North China (East Asia)

and 39 more ... in 10 Macro Regions.

862

Polities

Republic of China (in: North China) 1913 CE 1949 CE

Hephthalite Empire (in: Afghanistan) 408 CE 561 CE

Germany - Hohenzollern Dynasty (in: Central Europe) 1871 CE 1918 CE

Southern Song (in: South China) 1127 CE 1279 CE

Kazakh Khanate II (in: Turkestan) 1719 CE 1847 CE

Sri Lanka (in: Sri Lanka) 1948 CE 2020 CE

Formative Period (in: Iran) 7200 BCE 7000 BCE

Early Greater Coclé (in: Caribbean) 200 CE 700 CE

and 854 more ... in 47 Seshat Regions.

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

Magadha - Maurya Empire: Absent 303 BCE 194 BCE

Middle Wagadu Empire: Present 1000 CE 1077 CE

Yemen Hijaz: Absent 632 CE 661 CE

Monte Alban V: Present 900 CE 1520 CE

La Tene C2-D: Present 174 BCE 27 BCE

Yemen - Era of Warlords: Absent 1038 CE 1174 CE

Medang Kingdom: Present 732 CE 1019 CE

Kachi Plain - Ceramic Neolithic: Unknown 5500 BCE 4001 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 
- (Papal States - High Medieval Period)
Gregory X (Tedaldo Visconti) Nicholas III (Giovanni Gaetano Orsini)
1560 CE 1593 CE (Kingdom of Baol)
Amari Mamalik Thioro
1872 CE 1873 CE (Futa Jallon)
Ibrahima Sori III Ahmadu Dara Alfaya
603 CE 612 CE (Anurādhapura III)
Silameghavarna Aggabodhi III
1687 CE 1691 CE (Ottoman Empire III)
Suleyman II Ahmed II
1386 CE 1434 CE (Poland-Lithuania Kingdom)
Jogaila (Władysław II Jagiełło) Władysław III of Poland
Intra-Elite
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
1760 CE 1761 CE (Mutapa)
Kamota Zeze
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 
1524 CE 1589 CE (Safavid Empire)
Sixteenth-century crisis in the Safavid Empire
Elite Extermination Civil War Fragmentation External Conquest Ruler Depose
1140 CE 1300 CE (Chaco Canyon - Late Bonito phase)
Site abandonment, internal conflict, increasing inequality
Population Decline Lasted > a Century
639 CE 687 CE (Middle Merovingian)
Division of Merovingian kingdom (after Clovis I)
Civil War Fragmentation External Conquest Ruler Depose
1070 CE 1150 CE (Toltecs)
Decline of Tollan
Fragmentation Capital Loss External Conquest
1550 CE 1590 CE (Hawaii II)
Dynastic Crisis
Elite Downward Mobility Uprising Ruler Assassination Ruler Depose
306 CE 324 CE (Roman Empire - Dominate)
Civil Wars of Tetrarchy
Uprising Civil War Constitution Change
1644 CE 1683 CE (Great Ming)
Fall of the Ming Dynasty
Population Decline Epidemic Uprising Revolution Civil War Capital Loss External Conquest Ruler Depose
936 CE 1024 CE (Holy Roman Empire - Ottonian-Salian Dynasty)
Civil wars, dynastic conflict
Uprising Civil War 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)

Sept. 23, 1970 Terrorism in New York (NY), Albany: 4 were killed.   TVPDB: The Violence Project database of mass shootings in the United States (Version 7)

July 1, 1980 Terrorism (work) in New York (NY), Wantagh: 3 were killed.   The New York Times

Sept. 1, 1868 Riot (political, race) in Louisiana (LA), New Orleans: 1 was killed.   Paul A. Gilje, Riots In The United States

April 1, 1922 Riot (extralegal) in California (CA), Inglewood: 1 was killed.   Paul A. Gilje, Riots In The United States

Sept. 1, 1988 Riot (prison) in Idaho (ID), Boise: 1 was killed.   The New York Times

May 1, 1861 Lynching (extralegal) in California (CA): 1 was killed.   Paul A. Gilje, Riots In The United States

Oct. 24, 2015 Terrorism in Oklahoma (OK), Stillwater: 4 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

Jan. 1, 2009 Terrorism in Florida (FL), Miami: 2 were killed.   AP: The Associated Press

and 1941 more ...