The modern State of Osun was created on August 27, 1991 from part of the old Oyo State.   The state's name is derived from the River Osun, the venerated natural spring that is the manifestation of the Yoruba goddess of the same name. 
The modern State of Osun was created on August 27, 1991 from part of the old Oyo State.   The state's name is derived from the River Osun, the venerated natural spring that is the manifestation of the Yoruba goddess of the same name. 