1066 was a common year in the Gregorian calendar and the Anno Domini (common) era. The year's considered by many historians to be a turning point in history due to various events (see below), particularly the Battle of Hastings and ensuing Norman conquest of England, with years prior to 1066 being the late Dark Ages and years after 1066 being the Middle Ages. This was the last successful hostile invasion of Great Britain. Events January 5 — Edward the Confessor dies. The Witan proclaims… (More on 1066)