Dominion of New England 1686 Colonial American Royal Cotton Flag 3x5 Feet 1600 British Kingdom ColonyRoyal Dominion of New England St George Cross Colonial Crown Brotish Empire American Cotton Flag 3x5 Feet The Dominion of New England in America (16861689) was a short lived administrative union of English colonies covering all of New England and the Mid Atlantic Colonies, with the exception of the Delaware Colony and the Province of Pennsylvania. The region's political structure was one of centralized control similar to the model used by the Spanish