Troop engagements of the American Civil War, 1861 be the Confederate Territory of Arizona and raised several militia companies, which fought several skirmishes with both the Union forces remaining in the territory and the Apache tribes. Troop engagements of the American Civil War, 1861 The following is a list of engagements that took place in 1861 during the American Civil War. The war started on April 12 when Confederate forces commanded by General P. G. T. Beauregard opened fire on the Union garrison of Fort Sumter in the harbor of Charleston, South Carolina; after a thirty-four-hour bombardment, the Union garrison surrendered. There had been no casualties during the
1st U.S. Light Artillery, Battery E Corps, to May 1863. 2nd Regular Brigade, Artillery Reserve, Army of the Potomac, to June 1863. 2nd Brigade, Horse Artillery, Artillery Reserve, Army of the Potomac, to June 1864. 3rd Brigade, DeRussy's Division, XXII Corps, to July 1864. 1st Brigade, DeRussy's Division, XXII Corps, to October 1865. Defense of Fort Sumter, Charleston Harbor, April 12-13, 1861. Evacuation of Fort Sumter April 13. Reached Fort Hamilton, N.Y. Harbor, April 19. Moved to Chambersburg, Pa., June 3. Ordered to Washington, D.C., August 26, 1861. Duty at the federal arsenal and at Camp Duncan, defenses of Washington, until March 1862. Moved to the