Pedzisa mutsara unotevera: Muna 1960, Federation yeNigeria yakazvimiririra kubva kuBritain Empire, yakazove First Nigerian Republic pasi pehurumende yeparamende yaAbubakar Tafawa Balewa. Munguva iyi, mapoka akarerekera kuruboshwe mukati mehurumende dzematunhu ekumadokero nekumabvazuva akagadzira chirongwa chekugara kwemapurazi, zvichibva pahurongwa hweKibbutz, nechinangwa chekugadzirazve mararamiro epamberi pekoloni. Idzi nzanga dzaizvitonga dzakanga dzakaumbwa nevarimi nemhuri dzavo vaigara mumapoka, umo nzira dzokubudisa dzaiitwa pamwe chete uye zvibereko zvaigoverwa zvakaenzana pakati pavagari, nepo zvakapfuurwa zvokurima zvaichinjaniswa nemasangano. Zvisinei, nheyo dzokuenzana dzepurogiramu yacho pakupedzisira dzakaparadzwa, pashure pokunge First Republic yaparadzwa mu"
coup d'état", iyo yakatanga hurumende yekutanga yemauto eNigeria pasi peSupreme Military Council, inotungamirwa naYakubu Gowon. Kubvuta kwacho kwakateverwa nekubvutazve uye kupokana neIgbo, panguva iyo zviuru zvevanhu veIgbo zvinofungidzirwa kuti zvakaurayiwa, nemamwe mamirioni eIgbos akatiza kubva kuNorthern Region kuenda kuEastern Region.