On This Day - March 23 Mar 23, 2024 5:01:54 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by NerdiestKen on Mar 23, 2024 5:01:54 GMT -6 On this day in 1839, 'OK' enters national vernacularwww.history.com/this-day-in-history/ok-enters-national-vernacular