Nigerian nationalism most serious threat to the Nigerian unity since Nigeria became independent in 1960, as other ethnic groups threatened that they too would also seek secession should Biafra successfully secede. Nigeria responded to the separatist threat with a military campaign against the Biafran government, resulting in the Nigerian Civil War from 1967 to 1970. The war ended with the defeat of the Biafran separatists. Between one and three million Nigerians died in the war. The 19th century did not witness the emergence of any political organization that could help in airing the grievances and expressing the aspirations of Nigerians on a
Council for the Regulation of Engineering in Nigeria to a specified mail address. This also involves paying some fee and uploading some document to the body's website. COREN membership is required to practice engineering independently, is a requirement for some engineering firms, and is mandatory for government contracts. Council for the Regulation of Engineering in Nigeria Council for the Regulation of Engineering in Nigeria (COREN) formerly Council for the Registration of Engineers in Nigeria, is an engineering regulatory body that regulates the practice of engineering in Nigeria. It was established by decree 55 of 1970 and amended by Decree 27 of 1992, now the “Engineers (Registration, etc) Act,