Browsing named entities in William F. Fox, Lt. Col. U. S. V., Regimental Losses in the American Civil War, 1861-1865: A Treatise on the extent and nature of the mortuary losses in the Union regiments, with full and exhaustive statistics compiled from the official records on file in the state military bureaus and at Washington. You can also browse the collection for September 12th or search for September 12th in all documents.

Your search returned 2 results in 2 document sections:

the corps formation of the Army of the Potomac was first created. By that order, five different corps were constituted, one of which, composed of the divisions of Williams and Shields, and commanded by General Banks, was designated as the Fifth. These divisions were then operating in the Shenandoah Valley. On the 26th of June, the President ordered that the troops of the Shenandoah Department, now under General Banks, shall constitute the Second Army Corps of the Army of Virginia. On September 12th, General Order 129, it was ordered that its designation be changed to that of the Twelfth Corps, and that General Joseph K. Mansfield be placed in command. In the meantime the corps had done considerable hard fighting under its former title. Shields' Division won a brilliant victory over Stonewall Jackson at Kernstown, Va., on the 23d of March, and Williams' Division fought well at Winchester, May 25th, while on Banks' retreat. The battle of Cedar Mountain was also fought by this co
s Run, Va. 1 Spotsylvania, Va. 40 Petersburg, Va., March 25, 1865 2 Totopotomoy, Va. 2 Sutherland Station, Va. 2 Present, also, at Antietam; Mine Run; Wilderness; Po River; North Anna; Strawberry Plains; Ream's Station; White Oak Road; Sailor's Creek; Farmville; Appomattox. notes.--Six companies were recruited in Erie County; the others, in Western Pennsylvania. Colonel Brown had already served with distinction in the Eighty-third Pennsylvania. The regiment left the State September 12th, arriving five days later on the field at Antietam. While at Harper's Ferry it was assigned to Caldwell's (1st) Brigade, Hancock's (1st) Division, Second Corps. At Fredericksburg it took eight companies into action, two companies having been detailed on the skirmish line. The eight companies lost 34 killed, 152 wounded, and 43 missing; a total of 229 out of 505 in action; the missing ones were wounded or killed. Nine of the line officers lost their lives in this bloody assault, and C