 Nyorai kuenderera mberi kweiyi ndima - Muna 1966 dambudziko reNigeriarakasvika pamugumo. Okigbo, aigara muIbadan panguva iyoyo, akatamira kumabvazuva kweNigeria kuti amirire mhedzisiro yekuchinja kwezviitiko izvo zvakaguma nekuparadzaniswa kwematunhu ekumabvazuva seBiafra yakazvimiririra musi wa30 Chivabvu 1967. Achigara muEnugu, akashanda pamwe chete naAchebe kuti vagadzire imba itsva yekutsikisa, Citadel Press. 