Complex sentence: He served as Deputy Mayor of Port Harcourt Municipal Council between 1951-59, when he was elected as the 2nd Mayor of Port Harcourt Municipal Council taking over from Mayor Richard Okwosha Nzimiro in 1959.
Split into simpler sentences: He served as Deputy Mayor of Port Harcourt Municipal Council between 1951 and 1959. In 1959, He was elected as the 2nd Mayor of Port Harcourt Municipal Council taking over from Mayor Richard Okwosha Nzimiro in 1959.