Yorktown, Siege of


Yorktown, Siege of
(1781) American-French land and sea campaign against the British that virtually ended the American Revolution.

About 7,500 British troops under Charles Cornwallis occupied defensive positions at the coastal port of Yorktown, Va., on Aug. 1, 1781. They were opposed by a smaller American force under the marquis de Lafayette, assisted by Anthony Wayne and Frederick Steuben. From New York, George Washington ordered Lafayette to prevent Cornwallis's escape by land. French troops under the count de Rochambeau joined Washington's forces and marched south. Linking up with a French fleet at the head of Chesapeake Bay, they joined Lafayette's forces on September 28, and the 14,000 troops besieged the British position. Cornwallis waited for British reinforcements under Henry Clinton to arrive by sea; but now outnumbered, outgunned, and running low on food, he surrendered his 8,000 men and 240 guns on October 19. The siege ended fighting in the war and virtually guaranteed success to the American cause.

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▪ United States history
      (September 28–October 19, 1781), joint Franco-American (Franco-American Alliance) land and sea campaign that entrapped a major British army on a peninsula at Yorktown, Virginia, and forced its surrender. The siege virtually ended military operations in the American Revolution.

      After a series of reverses and the depletion of his forces' strength, the British commander in the southern colonies, General Lord Cornwallis (Cornwallis, Charles Cornwallis, 1st Marquess and 2nd Earl, Viscount Brome, Baron Cornwallis of Eye), moved his army from Wilmington, North Carolina, eastward to Petersburg, Virginia, on the Atlantic coast, in May 1781. Cornwallis had about 7,500 men and was confronted in the region by only about 4,500 American troops under the marquis de Lafayette (Lafayette, Marie-Joseph-Paul-Yves-Roch-Gilbert du Motier, marquis de), General Anthony Wayne (Wayne, Anthony), and Frederick William, Freiherr (baron) von Steuben (Steuben, Frederick William, Freiherr von). In order to maintain his seaborne lines of communication with the main British army of General Henry Clinton in New York City, Cornwallis then retreated through Virginia, first to Richmond, next to Williamsburg, and finally, near the end of July, to Yorktown and the adjacent promontory of Gloucester, both of which he proceeded to fortify.

      The American commander in chief, General George Washington (Washington, George), ordered Lafayette to block Cornwallis's possible escape from Yorktown by land. In the meantime Washington's 2,500 Continental troops in New York were joined by 4,000 French troops under the comte de Rochambeau (Rochambeau, Jean-Baptiste-Donatien de Vimeur, comte de). This combined allied force left a screen of troops facing Clinton's forces in New York while the main Franco-American force, beginning on August 21, undertook a rapid march southward to the head of Chesapeake Bay, where it linked up with a French fleet of 24 ships under the comte de Grasse (Grasse, François-Joseph-Paul, comte de, marquis de Grasse-Tilly). This fleet had arrived from the West Indies and was maintaining a sea blockade of Cornwallis's army. Cornwallis's army waited in vain for rescue or reinforcements from the British navy while de Grasse's fleet transported Washington's troops southward to Williamsburg, Virginia, whence they joined Lafayette's forces in the siege of Yorktown. Washington was thus vindicated in his hopes of entrapping Cornwallis on the Yorktown Peninsula.

      Meanwhile, a smaller British fleet under Admiral Thomas Graves was unable to counter French naval superiority at the Battle of Virginia Capes (Virginia Capes, Battle of) and felt forced to return to New York. A British rescue fleet, two-thirds the size of the French, set out for Virginia on October 17 with some 7,000 British troops, but it was too late. Throughout early October Washington's 14,000 Franco-American troops steadily overcame the British army's fortified positions at Yorktown. Surrounded, outgunned, and running low on food, Cornwallis surrendered his entire army on October 19. The total number of British prisoners taken was about 8,000, along with about 240 guns. Casualties on both sides were relatively light. The victory at Yorktown ended fighting in the Revolution and virtually assured success to the American cause.

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Universalium. 2010.

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