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

Susa III: Absent 3100 BCE 2676 BCE

Kampili Kingdom: Absent 1280 CE 1310 CE

Chalukyas of Badami: Absent 543 CE 753 CE

Neo-Assyrian Empire: Present 911 BCE 612 BCE

Late Mongols: Present 1368 CE 1580 CE

Pre-Ceramic Period: Unknown 7800 BCE 7201 BCE

Buyid Confederation: Absent 947 CE 1055 CE

Jenne-jeno III: Unknown 400 CE 899 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 
1817 CE (Imamate of Futa Toro)
Yusuf Biran Ibra Wan
1093 CE 1113 CE (Kievan Rus)
Sviatopolk II Vladimir II Monomakh
- (Magadha - Sunga Empire)
Bhumimitra Indramitra
1437 CE 1439 CE (Hungary Kingdom - Anjou and Later Dynasties)
Albert II of Habsburg Vladislaus I
Overturn Intra-Elite
395 CE 423 CE (Western Roman Empire - Late Antiquity)
Honorius Valentinian III and Theodosius II (TrRomER)
Intra-Elite Military Revolt External Inteference
786 CE 809 CE (Abbasid Caliphate I)
Harun al-Rashid Al-Amin
1499 CE (Classic Tana)
Fuḍayl b. Sulaymān end of our polity dates
473 CE 474 CE (Western Roman Empire - Late Antiquity)
Olybrius Julius Nepos
Overturn Military Revolt

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 
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
1750 CE 1767 CE (Ayutthaya)
Fall of Ayutthaya
Epidemic Elite Downward Mobility Elite Extermination Fragmentation External Conquest
1640 CE 1656 CE (Ottoman Empire II)
Seventeenth Century Crisis
Population Decline Epidemic Ruler Assassination Ruler Depose
706 CE 725 CE (Chenla)
Chenla Dynastic Conflict
Fragmentation
633 CE 654 CE (Sasanid Empire II)
Muslim conquest of the Sasanian Empire
Population Decline Epidemic Elite Downward Mobility Civil War Fragmentation Capital Loss External Conquest Ruler Assassination Ruler Depose
1823 CE 1895 CE (Ashanti Empire)
Series of Wars against the British (Anglo-Ashanti Wars)
Elite Downward Mobility Elite Extermination Uprising Revolution Civil War Capital Loss External Conquest Ruler Depose Constitution Change
1261 CE 1262 CE (Icelandic Commonwealth)
Norweigan Conquest of Iceland and the end of the Commonwealth
Elite Downward Mobility External Conquest Constitution Change
1519 CE 1521 CE (Aztec Empire)
Spanish conquest of the Aztec Empire
Population Decline Epidemic Elite Downward Mobility Uprising Civil War Capital Loss 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)

Sept. 1, 1934 Riot (labor) in Rhode Island (RI), Saylesville: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Feb. 1, 2002 Terrorism in New Jersey (NJ), Toms River: 4 were killed.   The New York Times

April 1, 1877 Riot in Mississippi (MS), De Kalb, Kemper: 6 were killed.   Paul A. Gilje, Riots In The United States

May 1, 1947 Riot (prison) in Kansas (KS), Fort Leavenworth: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Oct. 1, 1868 Riot (race) in Louisiana (LA), New Orleans: 19 were killed.   Paul A. Gilje, Riots In The United States

Sept. 1, 1997 Terrorism (work) in South Carolina (SC), Aiken: 4 were killed.   The New York Times

Dec. 1, 1981 Riot (political) in New Jersey (NJ), Interstate 80: 1 was killed.   The New York Times

July 1, 1992 Riot (race) in New York (NY), New York City: 1 was killed.   Paul A. Gilje, Riots In The United States

and 1941 more ...