1. In 1909, Cleveland's Seldom Seen Greenway was officially opened to the public. The park is named after its founder, Joseph Stanley "Seldom Seen" Greene, who was a nature enthusiast and advocate for green spaces in the city.

2. On August 19, 1953, the first meeting of the Ohio Turnpike Commission was held in Columbus. The Turnpike, also known as Interstate 80, stretches across northern Ohio and is a major transportation artery for the state.

3. Ohio's first female physician, Dr. Maria Longworth Nichols Storer, was born on August 19, 1849. Dr. Storer was a pioneer in the field of gynecology and obstetrics and was one of the first women to graduate from the Cincinnati College of Medicine and Surgery.

4. In 1946, the Akron Aeros baseball team played their first game at the newly constructed Rubber Bowl stadium. The team was known as the Akron Rubbernecks until they changed their name to the Aeros in 1997.

5. Ohio's first state flag was adopted on August 19, 1902. The flag features a red, white, and blue triangular design with a white circle in the center, which represents Ohio's status as the 17th state to join the Union. The letters "O-H-I-O" are also featured on the flag, representing the state's name.