Delaware - the states known as the "First State" because of the 13 colonies to ratify the U.S. Constitution (which made the colony of states), Delaware ratified the Constitution first. It happened on Dec. 7, 1787. In the north, Delaware borders with Pennsylvania, in the south and west - of Maryland. To the east, the state by the Atlantic Ocean and the estuary of Delaware Bay Delaware. By Delaware also include small areas on the eastern side of the delta of the river Delaware, which, in turn, are contiguous with New Jersey. Largest city staff - Wilmington Capital - Dover.