Bill Clinton served his complete term of office before he turned 80.
Bill Clinton . Prior to the Presidency he was the 40th Governor of Arkansas from 1979 to 1981 and the state 's 42nd Governor from 1983 to 1992 . Before that , he served as Arkansas Attorney General from 1977 to 1979 . Clinton was acquitted by the U.S. Senate in 1999 and served his complete term of office .