 On May 27, 1717, Albany County was adjusted to gain an indefinite amount of land from Dutchess County and other non-county lands.On October 7, 1763, King George III, as part of his Proclamation of 1763, created the new province of Quebec, implicitly setting the northern limit of New York at the parallel of 45 degrees north latitude from the Atlantic-St. Lawrence watershed westward to the St. Lawrence River, implicitly setting the northern limit of Albany County, but it was never mapped.On July 20, 1764, King George III established the boundary between New Hampshire and New York along the west bank of the Connecticut River, north of Massachusetts and south of the parallel of 45 degrees north latitude.