1. In 1882, Thomas Edison switched on the world's first electrical power plant in New York City, which was powered by a generator made by his company, Edison General Electric. Although this event did not occur in Ohio, Edison's birthplace is located in Milan, Ohio, and the Thomas Edison Birthplace Museum is now a popular tourist attraction in the state.

2. In 1957, the Ohio State Buckeyes football team, led by legendary coach Woody Hayes, played their first game of the season against the Texas Christian University Horned Frogs. Despite being down 10-0 at halftime, the Buckeyes rallied to win 21-10, beginning a successful season that saw them finish with a record of 9-1 and earn a trip to the Rose Bowl.

3. On September 4, 1970, the Cleveland Browns kicked off their regular season against the Pittsburgh Steelers. The game ended in a 15-7 victory for the Browns, but it was notable for being the first game in which the team played in newly-built Cleveland Stadium, which would serve as their home field until it was demolished in 1996.

4. In 2012, Ohio native and astronaut Neil Armstrong passed away at the age of 82. Armstrong was the first person to walk on the moon, commanding the Apollo 11 spacecraft during its historic mission in 1969. He was born and raised in Wapakoneta, Ohio, and remains an inspiration to people around the world.

5. Lastly, on September 4, 1912, the Ohio State University was officially designated as a "university" by the state legislature, having previously been known as the Ohio Agricultural and Mechanical College. The university has since grown into one of the largest and most respected public universities in the country, with over 68,000 students across its multiple campuses.