1. In 1862, the Battle of Tazewell took place during the American Civil War, Ohio soldiers played a crucial role in the Union victory at this battle in eastern Tennessee.

2. In 1922, the Cincinnati Reds set a Major League Baseball record by hitting eight home runs in a single game against the Philadelphia Phillies, with the final score of 21-4.

3. In 1950, Ohioan John Cromwell became the first African American mayor of a major US city when he was elected to lead East Cleveland.

4. In 2002, NASA celebrated the return of Ohio native and astronaut Piers Sellers from space, where he completed two 6-hour-long spacewalks to repair the International Space Station.

5. In 2015, Ohio became the first state in the Midwest to legalize medical marijuana when Governor John Kasich signed a bill into law allowing patients with certain conditions to use cannabis for medicinal purposes.