Are you aware? Ohio State Flag was adopted in 1902. The Ohio burgee, and is modeled after a Civil War cavalry guidon The red, white and blue are taken from the flag of the United States of America, the Stars and Stripes. The large blue triangle represents Ohio 's hills and valleys, and the stripes represent roads and waterways. The 13 stars grouped about the circle represent the original states of the union; the 4 stars added to the peak of the triangle symbolize that Ohio was the 17th state admitted to the union. The white circle with its red center not only represents the "O" in Ohio, but also suggests Ohio 's famous nickname, "The Buckeye State."