Ohio's Prehistoric Timeline
People have lived in the land we now call Ohio for more than 12,000 years! This timeline is an outline of the story of Ohio's past, from 13,000 B.C. until 1843, as related by archaeologists and historians. It is organized by time period and cultural tradition and includes a few selected events from world history for comparison with what was happening in Ohio.
Click on the timeline to see an enlarged view.