Ohio History Central
Ohio History Central: Time Line of Ohio History
A comprehensive timeline of events in the prehistory and history of Ohio. Hyperlinks to the multitude of specific articles about Ohio's history.
Ohio Test Prep
Ohio Test Prep: Module 1: Historical Thinking: Timelines and Chronology
Ohio state test practice material on Historical Thinking provides specific information on the use of Timelines and Chronology in studying history. Module includes video tutorial, interactive review games, and assessment.
Other
Indiana Historical Bureau: Northwest Ordinance of 1787
A timeline of events significant to Indiana and the United States preceding and following the enactment of the Northwest Ordinance of 1787.