Career
Füger’s five-year enlistment was set to expire in 1861 when Confederate forces fired on Fort Sumter. He reenlisted and was promoted to First Sergeant of Battery A, 4th United States. Artillery under the command of Lieutenant Alonzo Cushing. During Pickett"s Charge, as the Confederates were about to cross over the stonewall, First Sergeant Füger was aiding his commander in directing the battery"s fire when Cushing was killed.
Füger assumed command of the battery and fired the remaining rounds of canister before fighting hand-to-hand to drive the Confederates off the field
He was awarded the Medal of Honor for this action. He also received a commission as Second Lieutenant in the Regular By his own account Füger was present at 63 Civil War battles and minor engagements being slightly wounded twice, once in the head at the Battle of White Oak Swamp, June 30, 1862 and once in the left arm at the Battle of Antietam, September 17, 1862.
Füger was breveted 1st Lieutenant United States. Army for gallant and meritorious services in the Battle of Dinwiddie Court House, Virginia, March 31, 1865. Promoted to 1st Lieutenant 4th Artillery in December 1865.
Promoted to Captain 4th Artillery, March 1887.
Promoted to Major 4th Artillery February 13, 1899. Retired for age being 64 years old in June 1900. By an Acting of Congress passed in April 1904 Frederick Füger, being a Civil War veteran, was promoted to Lieutenant Colonel United States.
