Battle of Hastings is a simple, one page set of free wargames rules for refighting the classic 1066 confrontation between the Normans and Saxons. Reading the rules makes me think that it is designed for use in a classroom setting.
Hastings
Bayeux Tapestry
The Bayeux Tapestry is one of the more famous works of art in all of history. This site breaks the tapestry down into slices and describes the historical background behind each segment.
1066: Year Of The Comet Block Game
1066: Year Of The Comet is a free print and play block game (you supply the blocks) about the Viking and Norman invasions of England. It looks terrific.