Concept:The Mid-Western Region was a new administrative region created in Nigeria after independence.Explanation:The Mid-Western Region was carved out of the Western Region.It was officially created on August 9, 1963.This made it the first new region established after Nigeria gained independence in 1960.Its creation was influenced by the 1962 census and the need to accommodate diverse ethnic groups.Since 1963 matches the year of creation, it is the correct answer.Answer:C. 1963