DOB: January 8, 1830
Place of Birth: Cold Springs, New York
West Point Military Academy
Cadet, 1 July 1846, 2nd in his class
Service Record:
US Army, Corps of Topographical Engineers (1) Brevet 2nd Lt. 1, July 1850
US Army, Corps of Topographical Engineers, 2nd Lt. 1 July 1854
US Army, Corps of Topographical Engineers, 1st Lt. 1 July 1856(*)
US Army, Corps of Topographical Engineers, Capt. 9 Sept. 1861
Transferred to engineers, 3 Mar. 1863
US Army, 5th New York Inf. Lt. Col. 14 May 1861
US Army, 5th New York Inf. Colonel, 11 Sept. 1861
Brigadier General, Volunteers, 26 September 1862
Major General, Volunteers, 3 May 1863
Resigned from Volunteer Service, 27 May 1865
Major, Engineers, 25 June 1864
Lt. Colonel, Engineers, 4 March 1879
Brevet Lt. Colonel, 27 June 1862 for gallantry and meritorious service in the battle of Gaines Mills, Va. Colonel, 4 July 1863 (**) for gallantry and meritorious service in the battle of Gettysburg, Pa
Brig. General, 13 March 1865 for gallantry and meritorious service in the battle of Bristoe Station Va. Major General, 13 March 1865 for gallantry and meritorious service in the field during the war.
Various commands:
3rd Brig. 2nd Div. 5th Corps
2nd Div. 5th Corps
2nd Corps
5th Corps
5th Corps-4/1/65 relieved from command by Gen. Sheridan after battle of Five Forks
Exonerated by a court of inquiry, which criticized Sheridan's action in relieving him.
Department of Mississippi, Vicksburgh
Died: 8 August 1882, Newport RI
(*) During service with the Topographical Engineers, he made several survey expeditions into the trans-Mississippi West area and produced the first "reasonably accurate map of the American West. This information was later used to map out the route of the first trans-continental railroad
(**) During the battle of Gettysburg, General Warren is credited with the discovery of the Confederate troop movements attempting to attack the area known as "Little Round Top". His subsequent action is reported to have saved the entire left flank of the Union Army.