The 5th (also known as the 4th) Regiment was organized about July, 1861, in Norfolk, VA with nine companies, A to I. About May 1, 1862 Companies A, B, and I which had been reorganized for the war, were assigned to the 14th Battalion. This Bat. later formed a part of the 15th Regiment. Another regiment was officially recognized as the 5th Regiment, organized in June, 1862, after this regiment disbanded. The unit participated in the Seven Days' Battles, the Second Manassas and Maryland campaigns, and the conflicts at Fredricksburg, Brandy Station, Upperville, Gettysburg, Bristoe, and Mine Run. Later it was involved at The Wilderness and Cold Harbor, and in Early's Shenandoah Valley operations. The filed officers were Colonels Reuben B. Boston, H. Clay Pate, and Thomas L. Rosser; Lieutenant Colonel James H. Allen; and Majors Beverly B. Douglas, John Eells, Cyrus Harding, Jr., and John W. Puller.