1. On June 2, 1857, the Ohio State Board of Agriculture was established. This organization was founded to promote agriculture throughout the state and to encourage the development of techniques to improve crop yields and livestock quality.

2. The Ohio state park system was officially established on June 2, 1949. This marked the beginning of efforts to preserve natural spaces in the state for future generations to enjoy.

3. On June 2, 1968, Robert F. Kennedy spoke to a crowd of supporters in Columbus, Ohio during his campaign for president. Tragically, Kennedy was assassinated just two weeks later in Los Angeles.

4. In 1971, Ohio became the first state to lower the voting age to 18. This change was made possible by the passage of the 26th Amendment to the U.S. Constitution, which was ratified in July of that year.

5. On June 2, 2012, the Cincinnati Reds defeated the Houston Astros by a score of 12-9 in a high-scoring game at Great American Ball Park. This victory extended the Reds' winning streak to six games, which helped solidify their position atop the National League Central division standings.