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 Qing: Absent 1796 CE 1912 CE

Monte Alban V: Present 900 CE 1520 CE

Oneota: Absent 1400 CE 1639 CE

Yangshao: Present 5000 BCE 3501 BCE

Sasanid Empire II: Absent 499 CE 642 CE

Kansai - Kofun Period: Present 250 CE 537 CE

Koktepe II: Unknown 750 BCE 600 BCE

Funan II: Unknown 540 CE 639 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 
1830 CE 1832 CE (Early United Mexican States)
Anastasio Bustamante Manuel Gómez Pedraza
Overturn Intra-Elite Military Revolt
- (Allada)
unknown Aholuho Adja
1844 CE 1848 CE (British East India Company)
Henry Hardinge The Earl of Dalhousie
1809 CE 1824 CE (Rattanakosin)
Rama II (Phraphutthaloetla Naphalai) Rama III (Phranangklao)
123 BCE 121 BCE (Seleucid Empire)
Cleopatra Thea Antiochus VIII
Overturn Intra-Elite Predecessor Assassination
1884 CE 1888 CE (Buganda II)
Mwanga Mutebi II Kiwena
Overturn Intra-Elite
1855 CE 1866 CE (Majeerteen Sultanate)
Mahamuud II Ismaan Ismaan II Ismaan
40 BCE 10 BCE (Kansai - Yayoi Period)
Jimmu Suizei

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 
570 BCE 525 BCE (Egypt - Saite Period)
Fall of Twenty-sixth Dynasty
Uprising External Conquest Ruler Assassination Ruler Depose
671 BCE 656 BCE (Egypt - Kushite Period)
Fall of Kushite Kingdom
Fragmentation External Conquest Ruler Depose
1070 CE 1150 CE (Toltecs)
Decline of Tollan
Fragmentation Capital Loss External Conquest
1914 CE 1922 CE (Ottoman Empire IV)
First World War and fall of the Ottoman Empire
Population Decline Epidemic Elite Downward Mobility Uprising Civil War Fragmentation Ruler Depose
1140 CE 1300 CE (Chaco Canyon - Late Bonito phase)
Site abandonment, internal conflict, increasing inequality
Population Decline Lasted > a Century
901 CE 907 CE (Tang Dynasty II)
Fall of the Tang Dynasty
Elite Downward Mobility Elite Extermination Civil War Fragmentation Capital Loss Ruler Assassination Ruler Depose
1850 CE 1864 CE (Late Qing)
Taiping Rebellion
Population Decline Uprising Revolution Civil War External Conquest Ruler Depose
1250 CE 1279 CE (Southern Song)
Fall of the Song Dynasty
Elite Downward Mobility Fragmentation Capital Loss External Conquest 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)

May 6, 2023 Terrorism (race) in Texas (TX), Allen, Collin: 9 were killed.   ACLED: The Armed Conflict Location & Event Data

April 1, 1918 Lynching (extralegal, race) in Mississippi (MS), Poplarville: 1 was killed.   Paul A. Gilje, Riots In The United States

June 14, 2021 Terrorism in Georgia (GA), Decatur, DeKalb: 1 was killed.   ACLED: The Armed Conflict Location & Event Data

July 1, 1877 Riot (labor) in Pennsylvania (PA), Shamokin: 1 was killed.   Paul A. Gilje, Riots In The United States

Oct. 25, 2023 Terrorism (mental) in Maine (ME), Lewiston, Androscoggin: 18 were killed.   MKADB: (Mass Killings in America 2006 - present) Data from the AP-USA

March 1, 1918 Lynching (race) in Georgia (GA), Crawfordville: 1 was killed.   Paul A. Gilje, Riots In The United States

Nov. 1, 1874 Riot (political) in Alabama (AL), Spring Hill: 1 was killed.   Hartford Daily Courant Or The Hartford Courant

Sept. 1, 1929 Riot (political) in North Carolina (NC), Gastonia: 1 was killed.   The New York Times

and 1941 more ...