That is the correct answer.
Marshal Jean~Baptiste~Donatien de Vimeur, Comte de Rochambeau commanded more than seven thousand French troops. Rochambeau arrived at Newport, Rhode Island in July 1780. In June 1781 the French forces under Rochambeau joined General Washington's army at White Plains, New York and the combined army headed south toward Yorktown, Virgina. A unit of troops under the command of the Marquis de Lafayette was there engaging with the British prior to the arrival of Washington and Rochambeau. Upon the arrival of French naval forces under Admiral de Grasse, the combined French and American army began a siege of the fortifications at Yorktown. The siege lasted from 30 September to 19 October when General Charles, Lord Cornwallis surrendered to George Washington. Rochambeau remained in Virginia for another year, returning to Europe in January 1783.
"Jean~Baptiste~Donatien de Vimeur, Comte de Rochambeau"
by Charles Philippe Laraviere
Musee de líHistoire de France, Chateau de Versailles
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