The Third Vermont Battery lost 21 men to disease during the Civil War.

1864

Organized at Burlington
January 1 Mustered in
January 15-18 Moved to Washington, D.C. and duty at Camp Barry attached to Artillery, 4th Division, 9th Army Corps, Army of the Potomac
May-June Rapidan Campaign; Guard trains of the Army of the Potomac through the Wilderness and to Petersburg, Va.
June 16 Siege of Petersburg begins
July Attached to Reserve Artillery, 2nd Army Corps, Army of the Potomac
September Attached to Reserve Artillery, 6th Army Corps, and Artillery Reserve, Army of the Potomac
June 20 –
August 19
Garrison Fort Morton
July 30 Mine Explosion, Petersburg
August 18-21 Weldon Railroad
August 27-30 At Aiken House
September 1 At Fort Sedgwick
September 6 At Avery House
September 19 At Fort Meikel
October 3 At Battery 27
October 5 Moved to Poplar Springs Church
October 5-12 Built Fort Urmston
October 12-25 At Battery 16
October 25 Ordered to City Point and duty in the Defenses there

1865

January 15 Joined 6th Army Corps at Weldon Railroad and stationed at Fort Fisher
March 25 Fort Fisher
April 2 Assault on and fall of Petersburg
April Moved to City Point and duty there
March 3-18 March to Washington, D.C.
May 23 Grand Review
June 15 Mustered out