Igboland Biafra on May 30, 1967. Nigerian General Emeka Odumegwu-Ojukwu on this day made a declaration of independence of Biafra from Nigeria and became the head of state of the new republic. The Nigerian Civil War (or the "Nigerian-Biafran War") lasted from 6 July 1967 until 15 January 1970, after which Biafra once again became part of Nigeria. The Republic of Biafra was defeated after three years of war by the federal government of Nigeria from 1967 to 1970 with military support from the United Kingdom (strategy and ammunition), Soviet Union (ammunition), the United Arab Republic (air force), as well as
Republic of Benin (1967) and at the same time NCNC partisans began to clash with supporters of other parties, and the non-Igbo rejection of the invasion was solidified. As Okonkwo's administration continued to lose the support of the Mid-Western Region's populace, they became desperate. On 19 September 1967, the Biafrans rebranded the region by proclaiming the Republic of Benin, an independent state separate from Biafra, as a last-ditch effort. It was believed that even if it could not win non-Igbo support, the new state might at least physically divide Biafra from the Nigerian federal forces. Citing the deaths of Mid-Western residents in the northern