This Day in History… September 28, 1781

U.S. #703 honors the commanding generals at Yorktown: Washington, Rochambeau, and Degrasse.

Siege of Yorktown Begins

On September 28, 1781, American forces launched the last major land battle of the Revolutionary War – the Siege of Yorktown.

During the American Revolution, the ability to resupply armies, deploy troops, and transport munitions stored in towns along Virginia’s inland water routes was dependent on control of the Chesapeake Bay. The British campaign to secure this vital region ultimately led to the surrender of British General Cornwallis and an American victory in its war for independence.

U.S. #1937-38 honor Yorktown and Virginia Capes, a battle that ensured American control of the neighboring waters.

Virginia’s Chesapeake Bay is strategically located at the mouth of the James and York Rivers. In 1779, a British fleet seized control of the Chesapeake Bay and destroyed forts and military warehouses along the inland rivers. The raids gave the British necessary supplies at the same time they depleted the Continental Army’s stockpiles. British expeditionary forces continued the raids throughout 1780 and highlighted Virginia’s military weakness. In the spring of 1781, Major General Marquis de Lafayette entered Virginia and combined his forces with those of General Anthony Wayne. They reached Richmond just in time to prevent the British from burning the capital.

As Lafayette’s forces defended Richmond, British General Lord Charles Cornwallis traveled southward along the James River. Joined by other British forces, Cornwallis managed to maneuver around Lafayette’s Continental Army and reach Yorktown on the York River. British naval ships delivered additional troops. On August 2, 1781, Cornwallis began construction of two defensive lines around Yorktown.

Word of Cornwallis’ movements reached General George Washington, who met with French General Rochambeau to determine their next move. Rochambeau convinced Washington to move south and surround the city by land. A fleet under the command of French Admiral de Grasse would secure the Chesapeake Bay and cut off Cornwallis’ escape route on the river.

U.S. #1086 – Working as Washington’s aide-de-camp, Hamilton longed for a field command. Washington, who saw Hamilton as a son and recognized his genius, didn’t want him to risk his life. Hamilton eventually wore him down and was allowed to lead an attack during the siege.

The French fleet of 27 ships reached Virginia on August 28, 1781, and immediately started a blockade of the York and James Rivers. On September 5, the French fleet engaged a 19-ship British fleet and soundly defeated them. The Battle of the Virginia Capes left the French Army firmly in control of the Chesapeake Bay and the entrances to the James and York Rivers. As a result, the British garrisons at Yorktown and Gloucester Point were completely isolated from resupplies or reinforcement.

In late-September, Washington’s troops combined with Lafayette’s for a total of 17,600 soldiers opposite 8,300 British entrenched with General Cornwallis. The siege of Yorktown began on September 28, with heavy artillery fire on the British defensive line. After a week of heavy battle, the British attempted to evacuate across the York River. However, the British ships that were to transport them had scattered or sunk in a violent storm. With their escape route cut off and the entrances to the York River and Chesapeake Bay blocked, Cornwallis surrendered at Yorktown. Though fighting continued for nearly two more years, Yorktown was the last large-scale land battle of the war.

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