Complex sentence: He then returned to South Africa to teach English literature at the University of Cape Town, where he was promoted Professor of General Literature in 1983 and was Distinguished Professor of Literature between 1999 and 2001.
Split into simpler sentences: He then returned to South Africa to teach English literature at the University of Cape Town. He was promoted to Professor of General Literature in 1983 and was Distinguished Professor of Literature between 1999 and 2001.