Complex sentence: Narcís Serra i Serra (born May 30,1943) was Mayor of Barcelona from 1979 to 1982 and was Minister of Defense and successor to the vice presidency of Alfonso Guerra in 1991.
Split into simpler sentences: Narcís Serra i Serra (born May 30,1943) He served as Mayor of Barcelona from 1979 to 1982. He was also named minister of Defense and successor of the vice presidency of Alfonso Guerra in 1991.