1. Ohio became a state on July 2, 1803: Ohio officially became the 17th state to join the United States of America on July 2, 1803. The state's constitution was approved on November 29, 1802, and statehood was granted on the following year.

2. The Battle of Moncrief House took place on July 2, 1863: During the American Civil War, the Battle of Moncrief House occurred near Harrisville, Ohio, on July 2, 1863. Confederate forces under Brig. Gen. John Hunt Morgan attacked a Union brigade, resulting in a Confederate victory.

3. The Ohio State Buckeyes football team hired Woody Hayes as their head coach on July 2, 1951: Woody Hayes led the Ohio State Buckeyes football team for 28 years, from 1951 to 1978, becoming one of the most successful coaches in college football history. Hayes led the Buckeyes to five national championships.

4. The Collinwood school fire occurred on July 2, 1908: The deadliest school fire in American history occurred in Collinwood, Ohio, on July 2, 1908. The fire at the Lake View school killed 172 students and three teachers.

5. The Lima Army Tank Plant was dedicated on July 2, 1942: The Lima Army Tank Plant was dedicated on July 2, 1942, in Lima, Ohio, as a production facility for war equipment during World War II. The plant produced over 23,000 tanks and other armored vehicles during the war, contributing significantly to the Allied victory.