Rubuta ci gaba don wannan sakin layi - Najeriya ta kasance ƙarƙashin mulkin Burtaniya har zuwa 1960. Bayan samun 'yancin kai, akwai rikice-rikice da yawa na cikin gida a cikin kasar wanda ya iyakance ikon Najeriya na karfafawa. An raba kasar ta hanyar addini da kabilanci wanda ya haifar da kisan kai da kisan kai da kuma, a ƙarshe, cikakken yakin basasa wanda zai ci gaba har zuwa 1970. Tare da Najeriya a karkashin ikon mulkin soja bayan juyin mulkin Najeriya na 1966
, sauran juyin mulki sun ci gaba da faruwa. Janar Ibrahim Babangida, shugaban rundunonin soji da suka fara a shekarar 1985, an tilasta masa barin mulki a shekarar 1993 saboda tashe-tashen hankula a duk fadin kasar bayan shawarar da ya yanke na soke zaben. A karkashin Ministan Tsaro Sani Abacha, wanda ya maye gurbinsa a matsayin shugaban kasa, tashin hankali ya ci gaba. An zargi Abacha da keta hakkin dan adam da yawa. Bayan mutuwarsa a 1998, an gudanar da zabe inda Olusegun Obasanjo ya karbi mulki. Obasanjo ya fara yin gyare-gyare gami da kirkirar Hukumar Binciken Take Hakkin Dan Adam.