New York and New Jersey Campaign - Washington's Counterstrike

Washington's Counterstrike

While worrying over how to hold his army together, Washington organized attacks on the relatively exposed British outposts, which were as a result continually on edge due to ongoing militia and army raids. German commanders Carl von Donop and Johann Rall, whose brigades were at the end of the chain of outposts, were frequent targets of these raids, but their repeated warnings and requests for support from General James Grant were dismissed.

Beginning in mid-December, Washington planned a two-pronged attack on Rall's outpost in Trenton, with a third diversionary attack on Donop's outpost in Bordentown. The plan was aided by the fortuitous presence of a militia company that drew Donop's entire 2,000-man force away from Bordentown to the south that resulted in a skirmish at Mount Holly on December 23. The consequence of this action was that Donop was not in a position to assist Rall when Washington's attack on Trenton took place. On Christmas night, Washington and 2,400 men stealthily crossed the Delaware and surprised Rall's outpost the following morning, killing or capturing nearly 1,000 Hessians. This action significantly boosted the army's morale, but it also brought Cornwallis out of New York. He reassembled an army of more than 6,000 men, and marched most of them against a position Washington had taken south of Trenton. Leaving a garrison of 1,200 at Princeton, Cornwallis then attacked Washington's position on January 2, and was three times repulsed before darkness set in. During the night Washington once again stealthily moved his army, going around that of Cornwallis with the intention of attacking the Princeton garrison.

Hugh Mercer, leading the American advance guard, encountered British soldiers from Princeton under the command of Charles Mawhood. The British troops engaged Mercer and in the ensuing battle, Mercer was mortally wounded. Washington sent reinforcements under General John Cadwalader, which were successful in driving Mawhood and the British from Princeton, with many of them fleeing to Cornwallis in Trenton. The British lost more than one quarter of their force in the battle, and American morale rose with the victory.

The defeats convinced General Howe to withdraw most of his army from New Jersey, only leaving outposts at New Brunswick and Perth Amboy. Washington entered winter quarters at Morristown, having retaken most of the state from the British. However, provisions for both armies were limited, and commanders on both sides sent out parties to forage for food and other supplies. For the next few months, they engaged in a forage war, in which each targeted the foraging parties of the other. This led to numerous skirmishes and minor confrontations including the Battle of Millstone. The British also sniped with each other over the subject of provisions. Lord Percy resigned his command after a series of disagreements with Howe came to a head over the ability of the Newport station to provide forage to the New York and New Jersey forces.