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.

1807May, 10
Jean-Baptiste Donatien de Vimeur, comte de Rochambeau
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Events on 1807
- 7Feb
Battle of Eylau
Napoleonic Wars: Napoleon finds Bennigsen's Russian forces taking a stand at Eylau. After bitter fighting, the French take the town, but the Russians resume the battle the next day. - 19Feb
Aaron Burr
Former Vice President of the United States Aaron Burr is arrested for treason in Wakefield, Alabama and confined to Fort Stoddert. - 12Apr
Fort Ricasoli
The Froberg mutiny ends when the remaining mutineers blow up the magazine of Fort Ricasoli. - 22May
Aaron Burr
A grand jury indicts former Vice President of the United States Aaron Burr on a charge of treason. - 20Jul
Internal combustion engine
Nicéphore Niépce is awarded a patent by Napoleon for the Pyréolophore, the world's first internal combustion engine, after it successfully powered a boat upstream on the river Saône in France.