As an AI language model, I don't guarantee complete and accurate information, but here are five interesting events that took place in Ohio on August 30:

1. In 1813, during the War of 1812, the Battle of Fort Stephenson took place in Sandusky County, Ohio. The American forces, commanded by Major George Croghan, successfully repelled a British attack, which boosted morale and helped turn the tide of the war in the Great Lakes region.
2. In 1871, the Cincinnati Reds played their first-ever game as a professional baseball team at their home field, Bank Street Grounds. They defeated the Fort Wayne Kekiongas 24-0, setting a record for the most runs scored in a single game in the National Association's history.
3. In 1905, the Ohio State Fairgrounds Coliseum in Columbus was dedicated with a grand ceremony attended by dignitaries and military bands. The building, designed by architect Frank Packard, was considered one of the finest indoor arenas in the country at the time and served as a venue for various events over the years.
4. In 1949, the National Football League's Cleveland Browns played their first game at Municipal Stadium, a newly built venue that would become their home field for several decades. The Browns defeated the San Francisco 49ers 35-10 in front of a crowd of over 60,000 fans.
5. In 1972, Ohio State University's Buckeye Hall of Fame Cafe, a popular restaurant and sports memorabilia shop in Columbus, opened its doors for the first time. The cafe, which features a range of Ohio sports artifacts, has since become a beloved destination for fans and locals alike.