1. In 1918, the Cleveland Indians pitcher, Ray Caldwell, was struck by lightning during a game against the Philadelphia Athletics. He recovered and finished the game, helping the Indians to a 2-1 victory.

2. The National Museum of the United States Air Force, located in Dayton, Ohio, opened its doors to the public on July 15, 1971. It is the oldest and largest military aviation museum in the world.

3. On July 15, 1939, the first public release of the comic strip, "Batman," was published in newspapers across the country. The character was created by Bob Kane, a Cleveland native.

4. The Ohio State Fair has been held annually in Columbus since 1850, with the exception of a few years during the Civil War and World War II. The fair typically runs in late July and early August and features agricultural exhibits, live entertainment, and carnival rides.

5. In 1824, the Marquis de Lafayette, a French military hero of the American Revolution, visited Ohio as part of a national tour of the United States. He was greeted by enthusiastic crowds in Cincinnati, Dayton, and other cities throughout the state.