10 Little-Known Facts About The Nigerian Civil War The Nigerian Civil War (Biafra war) – A war fought to counter the secession of Biafra from Nigeria – was a brutal war. Men raised their weapons against their countrymen, and they slaughtered one another in one of the most violent and devastating conflicts in African history. By the end of the war both Nigeria and the igbos (Biafra) suffered a great deal in terms of lives, money and infrastructure. Here are 10 Little-Known Facts From The Nigerian Civil War (Biafran War). 1. Duration of the war The war lasted for 2 years, 6 months, 1 week and 2 days. After a hard fought war that led to the death of a lot of Nigerians, the surrender paper was signed on January 14, 1970 in Lagos and the next day it was over. 2. Both sides had some support Nigeria was supported by USA, United Kingdom, Soviet Union, Bulgaria, Egypt, Syria, Algeria; while Biafra was Supported by: France, Israel, Portugal, Spain, South Africa, Rhodesia, tanzania, a...