The Siege of Fort Stanwix (also known at the time as Fort Schuyler) began on August 2, 1777, and ended August 22. Fort Stanwix, in the western part of the Mohawk River Valley, was then the primary defense point for the Continental Army against British and Indian forces aligned against them in the American Revolutionary War. The fort was occupied by Continental Army forces from New York and Massachusetts under the command of Colonel Peter Gansevoort. The besieging force was composed of British regulars, American Loyalists, Hessian soldiers from Hesse-Hanau, and Indians, under the command of British Brigadier General Barry St. Leger and the Iroquois leader Joseph Brant. St. Leger's expedition was a diversion in support of General John Burgoyne's campaign to gain control of the Hudson River V