Compiled timeline citing three works on Northern Nigeria, colonialism and Agaba'Idu Ogiri Okoh. 1923: Idoma Native Authority established; 1924: divisional headquarters moved from Okpoga to Otukpo; 1927: Governor approved the Idoma Central Native Council (Ojila); 1944: Idoma Loving Union (later Idoma Hope Rising Union); 10 October 1947: Ogiri Okoh became the first Och'Idoma; 3 February 1949: formally installed by the Acting Resident of Benue Province, D.F.H. McBride.