08.01.1946
foundation as Oulun Työväen Palloilijat
__.__.1992
merger with Oulu LS to FC Oulu
__.__.1994
dissolution of the merger and refoundation as Football Club OTP
__.__.2002
syndication with other local clubs to AC Oulu and continuation as youth club
__.__.2009
reactivation of a senior team as Oulun Työväen Palloilijat