13
Sep
1777
British Forces Capture Wilmington
Wilmington, DE· day date
The Story
**The British Capture of Wilmington, Delaware, 1777**
In the late summer of 1777, the American Revolution entered one of its most precarious phases. British General Sir William Howe had devised an ambitious plan to capture Philadelphia, the seat of the Continental Congress and the symbolic capital of the fledgling American republic. Rather than march overland from New York, Howe chose a sea route, loading approximately 15,000 troops aboard a fleet commanded by his brother, Admiral Richard Howe. The armada sailed south and then up the Chesapeake Bay, disembarking near Head of Elk, Maryland, in late August. From there, British and Hessian forces advanced northeast through the rolling countryside of northern Delaware and southeastern Pennsylvania, setting the stage for a confrontation that would reshape the region's political and military landscape.
General George Washington, commanding the Continental Army, resolved to block the British advance at Brandywine Creek in Pennsylvania. On September 11, 1777, the two forces clashed in the Battle of Brandywine, one of the largest engagements of the entire war. Howe executed a flanking maneuver that caught the Americans off guard, sending a column under General Charles Cornwallis on a wide sweep around Washington's right flank while a diversionary force under the Hessian general Wilhelm von Knyphausen pinned down the American center. Despite fierce resistance from units commanded by officers such as Nathanael Greene and the Marquis de Lafayette — the young French volunteer who was wounded in the fighting — Washington's army was forced into a costly retreat. The Americans suffered roughly 1,300 casualties and lost control of the strategic ground they had hoped to defend.
Two days after this decisive engagement, on September 13, 1777, British forces moved into Wilmington, Delaware, without encountering resistance. The town, situated along the Christina River and Brandywine Creek, had served as a vital supply base for Continental forces and as a center of patriot governance. Its capture was a natural extension of the British victory at Brandywine, as Howe's forces moved to consolidate control of the surrounding territory before pressing on toward Philadelphia. Wilmington's residents awoke to find their town transformed virtually overnight from an American stronghold into a British military installation.
The occupation had immediate and far-reaching consequences. British commanders converted Wilmington into a base hospital where surgeons treated the hundreds of casualties from both sides who had been wounded at Brandywine. The town also became a supply depot, its wharves and warehouses repurposed to serve the logistical needs of Howe's advancing army. Administratively, the British established a functioning occupation government, imposing order and asserting royal authority over a population whose loyalties were sharply divided between patriot and loyalist sympathies. Delaware's state government, led by President John McKinly — who was actually captured during the occupation — was thrown into disarray. Other state officials fled northward, and Delaware's governance was disrupted for months, with Acting President Thomas McKean struggling to maintain governmental continuity from locations outside British control.
The fall of Wilmington mattered beyond its immediate military significance. It demonstrated how quickly the infrastructure of the American cause could collapse in the wake of battlefield defeat. When British forces captured Philadelphia just weeks later, on September 26, the Continental Congress had already fled to York, Pennsylvania. Together, the loss of Wilmington and Philadelphia underscored the vulnerability of the American revolution during the autumn of 1777, a period when Washington's army appeared on the verge of disintegration.
Yet the British occupation of Wilmington proved relatively short-lived. As Howe concentrated his forces in Philadelphia and Washington regrouped at Valley Forge during the brutal winter that followed, the strategic calculus shifted. The British eventually withdrew from Wilmington, and the town returned to American control. In the broader arc of the Revolution, the capture of Wilmington stands as a sobering reminder of how military defeat could ripple outward to displace governments, uproot communities, and test the resilience of a nation still struggling to be born.