1. In 1909, the Wright brothers held a homecoming celebration in Dayton, Ohio, after their recent successful flight in France.
2. In 1937, author and journalist Malcolm Gladwell was born in Fareham, England. Gladwell is known for his bestselling books such as "The Tipping Point" and "Outliers."
3. In 1952, Toledo, Ohio celebrated its 200th anniversary with a parade and other festivities.
4. In 1970, Ohio Governor James A. Rhodes declared a state of emergency at Kent State University following protests and clashes between students and National Guard troops. Four students were killed and nine were injured in what became known as the Kent State Massacre.
5. In 2005, Hurricane Katrina made landfall in Louisiana, but its impact was felt in Ohio as well, with heavy rains and flooding causing damage and power outages throughout the state.