Whakaotihia te rerenga e whai ake nei: Ko Ogbugo Kalu (i mate i te Hui-tanguru 2004) he rangatira hoia o mua i mahi i te ope taua o Nigeria me te ope taua o Biafra. Ko Kalu hoki te rangatira o te Nigerian Military Training College (NMTC) i Kaduna whai muri i te pakanga.
Ko te 1966 Nigerian coup d'état.