The Ohio Open is the Ohio state open golf tournament, open to both amateur and professional golfers. It is organized by the Northern Ohio section of the PGA of America. It was first played in 1924 and has been played annually (with minor disruptions) at a variety of courses around the state. It was considered a PGA Tour event in the late 1920s and early 1930s.
References
Ohio Open Wikipedia(Text) CC BY-SA