862 historical geopolitical entities · 490 events · 48 periods · 94 dynasty chains · 110 cities · 41 trade routes
The first open dataset specifically designed for AI agents working on
historical geography questions. Apache 2.0 licensed. Includes real GeoJSON
boundaries from academic sources, not placeholder polygons.
Temporal range: 4500 BCE → 2024 CE
Geographic coverage: all inhabited continents (Asia 31%, Africa 18%,