GeaCron web main features:
Atlas
The historical atlas covers History since 3000 BC. The system ables you to position in any geographical area, zoom andnavigate in time.
Search and create links that contain the geographic and historical situation that is desired (Premium version)
Timeline (Premium version)
Timelines allow the study of comparative history. Information is classified and structured in large historical entities that may be political, military, art, philosophy, literature or science since 3000 BC
GeaCron maps can be integrated with timelines