Ambrose Burnside died of angina pectoris at his home in Bristol, Rhode Island.

Burnside led the New England Battalion of the Centennial Legion in the parade in Philadelphia, marking the centennial of the signing of the Declaration of Independence.

Ambrose Burnside ended his third term as Governor of Rhode Island.

Ambrose Burnside began his first term as Governor of Rhode Island.

Ambrose Burnside was elected Governor of Rhode Island. He was nominated by the Republican Party to be their candidate for governor in March 1866, and Burnside was elected governor in a landslide on April 4, 1866.

Burnside finally resigned his commission on April 15, 1865, after Lee's surrender at Appomattox.

Ohio Congressman Clement L. Vallandigham, a prominent opponent of the war, held a large public rally in Mount Vernon, Ohio in which he denounced President Lincoln as a "tyrant" who sought to abolish the Constitution and set up a dictatorship.

Burnside was replaced by Maj. Gen. Joseph Hooker as commander of the Army of the Potomac following the disastrous 'Mud March' and internal conflicts within the army.

The Battle of Fredericksburg, a major Union defeat, took place. Burnside's plan to capture the Confederate capital at Richmond resulted in heavy Union casualties and a setback for the Union Army.

Burnside assumed charge of the Army of the Potomac in a change of command ceremony at the farm of Julia Claggett in New Baltimore, Virginia. McClellan visited troops to bid them farewell.

Burnside was selected to replace McClellan. Burnside reluctantly obeyed this order, the third such in his brief career, in part because the courier told him that, if he refused it, the command would go instead to Maj. Gen. Joseph Hooker, whom Burnside disliked.

President Abraham Lincoln ordered the removal of Maj. Gen. George B. McClellan. This was a crucial decision that shifted the command structure within the Union Army.

Ambrose Burnside was promoted to major general of volunteers in recognition of his successes at the battles of Roanoke Island and New Bern, the first significant Union victories in the Eastern Theater.

Ambrose Burnside was appointed colonel of the 1st Rhode Island Volunteer Infantry Regiment. Two companies of this regiment were then armed with Burnside carbines.

Ambrose Burnside was promoted to 1st lieutenant in the U.S. Army.