Jean-Baptiste Donatien de Vimeur, comte de Rochambeau, French general (b. 1725)
Marshal Jean-Baptiste Donatien de Vimeur, comte de Rochambeau (French pronunciation: ​[ʁɔʃɑ̃bo]; 1 July 1725 – 10 May 1807) was a French nobleman and general whose army played the decisive role in helping the United States defeat the British army at Yorktown in 1781 during the American Revolution. He was commander-in-chief of the French Expeditionary Force sent by France to help the American Continental Army fight against British forces.