1862 Ambrose Burnside replaces McClellen as head of Army of Potomac Served as the Governor of Rhode Island from 1866 to 1869. During the American Civil War he was a general in the Union Army, where he led successful campaigns in North Carolina and Tennessee, but suffered defeats at the Battle of Fredericksburg and Battle of the Crater. After his period as a governor, he served as a US Senator for Rhode Island from 1875 until his death in 1881, and also had a number of industrial directorships, most prominently on the country’s railroad networks. His distinctive style of facial hair gave birth to the name sideburns, derived from his last name. rochestermilitary.com