Complex sentence: Dunmore fled to New York after the Burning of Norfolk in 1776, and later returned to Britain, although he did later spend time as Governor of the Bahama Islands, from 1787 to 1796.
Split into simpler sentences: Dunmore fled to New York after the Burning of Norfolk in 1776, and later returned to Britain. He was Governor of the Bahama Islands, from 1787 to 1796.