Key figures: George Washington, William Howe, Richard Howe, Henry Clinton, Charles Cornwallis, Nathanael Greene, Israel Putnam, Robert Magaw
Summary
The New York campaign of 1776 was the sequence of battles and maneuvers fought between July and November 1776 by which General William Howe’s British and Hessian expeditionary force wrested control of New York City and its harbor from General George Washington’s Continental Army. It opened with the unopposed British landing on Staten Island in early July and closed with the fall of Fort Washington on November 16 and the abandonment of Fort Lee on November 20, after which Washington retreated across New Jersey toward the Delaware River. Britain won every major engagement of the campaign and secured New York City as a base it would hold for the rest of the war, yet Howe repeatedly failed to trap and destroy the Continental Army, which survived to counterattack at Trenton on December 26.
Strategic Context and the British Build-up
After the British evacuation of Boston on March 17, 1776 — forced by the American fortification of Dorchester Heights — the Crown shifted its main effort to New York, whose deep harbor, central Atlantic position, and large Loyalist population made it the ideal base for projecting power up the Hudson and into the middle colonies. General William Howe landed the vanguard of his army on Staten Island on July 2–3, 1776, and through the summer his brother, Admiral Lord Richard Howe, ferried in reinforcements from Britain, Ireland, and the German principalities. By August the combined force numbered roughly 32,000 troops — including some 8,000 Hessian mercenaries — supported by hundreds of transports and warships, the largest expeditionary force Britain had yet sent overseas. Washington, anticipating the blow, concentrated an inexperienced army of about 20,000 in and around the city, dividing it dangerously between Long Island and Manhattan across waters the Royal Navy controlled.
Long Island and the Escape from Brooklyn
The campaign’s first great battle came at the Battle of Long Island on August 27, 1776, the largest engagement of the Revolutionary War by troop numbers. Howe pinned the American front with frontal assaults while Henry Clinton led a night flanking march through the unguarded Jamaica Pass, collapsing the American line and inflicting roughly 1,000–1,400 casualties. Howe then paused rather than storm the Brooklyn fieldworks — a decision that drew lasting criticism — and on the night of August 29–30 Washington ferried his entire surviving force of about 9,000 across the East River to Manhattan under cover of fog, without loss. The withdrawal became celebrated as one of Washington’s finest feats of generalship. In its aftermath, the Staten Island peace conference of September 11 failed when the American commissioners refused to revoke the Declaration of Independence.
The Loss of Manhattan: Kip’s Bay, Harlem Heights, and the Great Fire
On September 15, 1776, British warships and landing craft carried Howe’s troops ashore at the Battle of Kip’s Bay, routing the Connecticut militia posted there and opening lower Manhattan; New York City fell that day and remained under British occupation until 1783. The next morning, September 16, Washington’s troops checked the British advance at the Battle of Harlem Heights, his first tactical success of the war and a needed restorative for Continental morale. Days later, on September 20–21, the Great Fire of New York destroyed roughly a quarter to a third of the city; its cause was never established, though British authorities suspected American arson.
Westchester and the Fall of the Hudson Forts
Rather than assault Washington’s strong position on Harlem Heights head-on, Howe used his naval mobility to land in Westchester and turn the American flank, forcing Washington northward. At the Battle of White Plains on October 28, 1776, Howe drove the Americans from Chatterton’s Hill but again declined to press for a decisive result, and Washington withdrew his army intact. Howe then turned south against the twin Hudson River forts. On the advice of Nathanael Greene, Washington had left a garrison under Colonel Robert Magaw at Fort Washington on northern Manhattan. At the Battle of Fort Washington on November 16, 1776, Howe stormed the position and captured nearly 2,900 men along with irreplaceable artillery and supplies — the campaign’s most damaging American loss. Fort Lee, across the Hudson in New Jersey, was abandoned on November 20 as Cornwallis crossed the river, its stores and cannon left behind.
Retreat Across New Jersey
The loss of the forts left Washington with fewer than 5,000 effective soldiers and no defensible line east of the Delaware. Through late November and December 1776 he retreated across New Jersey with Cornwallis in pursuit, crossing into Pennsylvania and gathering every boat along the river to deny them to the enemy. Thousands of New Jersey civilians accepted British offers of protection, and Continental enlistments were due to expire on January 1, 1777. The Continental Congress’s fiscal position deteriorated in step with the military collapse, forcing emergency currency emissions. It was in this crisis that Thomas Paine wrote The American Crisis — “These are the times that try men’s souls” — which Washington had read to his troops before he recrossed the Delaware to surprise the Hessian garrison at Trenton on December 26, 1776, reversing the campaign’s narrative of inevitable defeat.
Significance
The New York campaign was, in strictly military terms, a comprehensive British victory: Howe took the harbor city he had targeted, won every set-piece battle, and captured or killed some 4,000 American soldiers along with the Continental Army’s scarce stocks of cannon, tents, and muskets. Yet the campaign’s larger significance lies in what Howe failed to achieve. On at least three occasions — after Long Island, at Kip’s Bay, and at White Plains — a more aggressive pursuit might have destroyed Washington’s army outright and, with it, the organized Revolution. Howe’s preference for methodical maneuver over annihilating battle, whether from professional caution, a lingering hope of reconciliation, or concern for his irreplaceable troops, allowed the Continental Army to survive its worst season. The campaign exposed the American army’s weaknesses in reconnaissance, discipline, and coordination, and it shattered the confident mood that had followed the Declaration of Independence; but it also forged the Fabian strategy of trading space for time and preserving the army that Washington would pursue for the rest of the war. The retreat’s nadir set the stage for the Trenton counterstroke, giving the Revolution a founding narrative of endurance under near-total adversity.
Sources
- New York and New Jersey campaign — Wikipedia
- New York Campaign — George Washington’s Mount Vernon
- American Revolution — The Battle for New York — Britannica
- New York and New Jersey Campaign — World History Encyclopedia