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

Atlantic Complex (in: Western Europe) 2200 BCE 1000 BCE

Empire of Trebizond (in: Anatolia-Caucasus) 1204 CE 1461 CE

Tang Dynasty I (in: North China) 617 CE 763 CE

Parthian Empire II (in: Iran) 41 CE 226 CE

Elymais II (in: Iran) 25 CE 215 CE

Naqada II (in: Northeast Africa) 3550 BCE 3300 BCE

Kimek–Kipchak Confederation (in: Turkestan) 880 CE 1227 CE

Latium - Bronze Age (in: Southern Europe) 1800 BCE 900 BCE

and 854 more ... in 47 Seshat Regions.

Seshat

General Variables
26 variables 8889 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 26062 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

Northern Song: Absent 960 CE 1126 CE

Kachi Plain - Chalcolithic: Unknown 4000 BCE 3201 BCE

Papal States - Early Modern Period II: Absent 1648 CE 1800 CE

Oaxaca - Tierras Largas: Absent 1400 BCE 1151 BCE

Khmer Kingdom: Absent 1432 CE 1593 CE

Rattanakosin: Present 1782 CE 1873 CE

New Palace Crete: Present 1700 BCE 1451 BCE

Hawaii II: Absent 1200 CE 1349 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 
- (Kwararafa)
Dadju Zike
1692 CE 1698 CE (Mutapa)
Nyakambira Nyamaende Mhande
1159 CE 1167 CE (Kievan Rus)
Rostislav I Mstislav II
Overturn External Invasion
1015 CE 1044 CE (Chola Empire)
Rajendra I Rajadhiraj I
Overturn Separatist Rebellion External Invasion External Inteference Predecessor Assassination
1333 CE 1336 CE (Kamakura Shogunate)
Emperor Go-Daigo Ashikaga Takauji
Overturn Intra-Elite
1605 CE 1640 CE (Kingdom of Kaffa)
Giba Nechocho Gali Gafocho
1464 CE 1487 CE (Great Ming)
Chenghua Emperor (Ch’eng Hua, Hsien Tsung, Zhu Jianshen) Hongzhi Emperor (Hung Chih, Hsiao Tsung, Zhu Youcheng)
247 BCE 217 BCE (Parthian Empire I)
Arsaces I Arsaces II

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 
1075 BCE 1045 BCE (Late Shang)
Decline of Shang - foundation of Zhou Dynasty
Uprising External Conquest
1350 CE 1450 CE (Hohokam Culture)
Hohokam collapse
Population Decline Population Collapse Fragmentation
235 CE 284 CE (Roman Empire - Principate)
Third Century Crisis
Population Decline Epidemic Elite Downward Mobility Civil War Ruler Assassination
331 BCE 275 BCE (Achaemenid Empire)
Fall of the Achaemenid Empire, Wars of the Diadochi
Elite Downward Mobility Civil War Fragmentation External Conquest Ruler Assassination
1200 BCE 1150 BCE (Phoenician Empire)
Late Bronze Age Collapse
865 CE 866 CE (Byzantine Empire I)
Rise of Macedonioan Emperors
Ruler Assassination
1140 CE 1300 CE (Chaco Regional System - Late)
Site abandonment, internal conflict, increasing inequality
Population Decline Lasted > a Century
551 CE (Rouran Khaganate)
Overthrow of Rouran Khaganate by Turkic peoples
Elite Downward Mobility Elite Extermination External Conquest

and 161 more ... coded for 153 Polities

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

Oct. 31, 2017 Terrorism (religion) in New York (NY), New York City: 8 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

June 24, 2022 Lynching in Pennsylvania (PA), Philadelphia, Philadelphia: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

March 1, 1918 Riot (labor) in Illinois (IL), Hillsboro: 1 was killed.   Paul A. Gilje, Riots In The United States

April 1, 1898 Riot (labor) in Illinois (IL), Pana: 7 were killed. -

Jan. 1, 1910 Riot (labor) in New Jersey (NJ), Jersey City: 3 were killed.   Paul A. Gilje, Riots In The United States

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

Oct. 1, 1934 Riot (race) in Florida (FL), Marianna: 1 was killed.   Paul A. Gilje, Riots In The United States

May 1, 1886 Lynching (race) in Virginia (VA): 1 was killed.   The New York Times

and 1941 more ...