 1n 1656 New Haven Colony assumed control over the town, against the wishes of many residents.After the fall of the New Haven Colony, the Connecticut Colony assumed control in 1664 and the General Assembly in Hartford declared Greenwich a separate township from Stamford.The first townsmen, the seven proprietors of 1664, who lived only with Old Greenwich on the east side of the Mianus River, planned the development of a second community called Horseneck, the land on the west side of the River.