Los Angeles Historic-Cultural Monument (No. 139) hosted an event by the IFBB professional bodybuilding organization on Oct 12, 1991.
The 1991 Ms. Olympia contest was an IFBB professional bodybuilding competition was held on October 12 and 13, 1991 at the Shrine Auditorium in Los Angeles, California. 
 It was designated a Los Angeles Historic-Cultural Monument (No. 139) in 1975. 
