Complex sentence: Robert Alexander Kennedy Runcie, Baron Runcie, (2 October 1921--11 July 2000) was the Archbishop of Canterbury from 1980 to 1991.
Split into simpler sentences: Robert Alexander Kennedy Runcie, Baron Runcie, (2 October 1921--11 July 2000) was a British Anglican bishop. He was the Archbishop of Canterbury from 1980 to 1991.