Nigeria became a federation as a result of the promulgation of the constitution of? by Sunday | Jul 15 | Government WAEC | 0 comments A. 1922 B. 1946 C. 1951 D. 1954 E. 1963 Correct Answer: Option D – 1954 Users Also Read These:Nigeria formally became a federation in?Nigeria became a federation of 19 state in?The central legislature of Nigeria became bicameral in?Nigeria became a front line state in the South…Northern Nigeria became internally self-government in?