1. On August 12, 1833, the state of Ohio abolished capital punishment for all crimes except for murder. This was a significant step forward in the state's criminal justice system and marked a shift towards more lenient sentencing practices.

2. August 12, 1912, saw the birth of pioneering aviator Jacqueline Cochran in Muscogee, Ohio. A trailblazer for women in aviation, Cochran went on to set numerous speed and altitude records during her career, and was the first woman to break the sound barrier.

3. In 1935, the Ohio River Flood reached its peak, affecting large parts of Ohio, Kentucky, and other neighboring states. The disaster resulted in the deaths of over 400 people and caused extensive damage to property and infrastructure.

4. August 12, 1981, marked the opening of the Rock and Roll Hall of Fame in Cleveland, Ohio. The museum was established to honor the most influential and iconic musicians in the history of rock and roll, and has since become a popular tourist attraction in the city.

5. On August 12, 2007, Drew Carey was officially named as the new host of popular American game show "The Price is Right". Carey, who hails from Cleveland, Ohio, went on to host the show for a total of ten seasons before stepping down in 2017.