Complex sentence: Hannibal M. Tavares (September 24,1919--January 17,1998) was an American politician who had served as the Mayor of Maui from October 1979 until January 2,1991.
Split into simpler sentences: Hannibal M. Tavares (September 24,1919--January 17,1998) was an American politician. Tavares served as the Mayor of Maui from October 1979 until January 2,1991.