WI 15th Inf Co B. Residence: Winchester, Winnebago County, Wisconsin. Born Nels Olavus Thorsen on 8 Jan 1842 in Norway. Civil War: Age 20. Unmarried. Enlisted for three years on 6 Jan 1862 at Madison, Wisconsin, and mustered there on 18 Jan 1862. Enlistment credited to Winchester. Private. Taken prisoner at Chickamauga, Georgia, 20 Sep 1863, and sent to Libby Prison, Richmond, Virginia. Exchanged in September 1864. On 11 Oct 1864, he was listed as sick in Annapolis, Maryland, and later in Louisville, Kentucky. Mustered out 18 Jan 1865 at Madison, Wisconsin, term expired. Sources: (WHS Series 1200 box 76-4; red book vol 20 p 34) (Buslett p393) (Ulvestad p315) (Ager p296) (RWV p809) (History of the town of Winchester, Winnebago County, Wisconsin, publ. 2002 p 4-25) “Olaus, Nils” “Olans, Nels” “Thorson, Nels”