From World Afropedia
The following table presents a listing of Nigeria's states and the dates of their creation.
See also
ig:List of Nigerian states by date of statehood pt:Anexo:Lista de estados da Nigéria por data de criação yo:Àkójọ àwọn ìpínlẹ̀ Nàìjíríà bíi ọjọ́ ìdásílẹ̀