The Amateur Softball Association of America - a volunteer-driven, not-for-profit organization based in Oklahoma City, OK - was founded in 1933 and has evolved into the strongest softball organization in the country.
The world's first installed parking meter was in Oklahoma City, on July 16, 1935. Carl C. Magee, of Oklahoma City, Oklahoma, is generally credited with originating the parking meter. He filed for a patent for a "coin controlled parking meter" on May 13, 1935.