Original sentence: He was subsequently presented with a new grey forage cap, with gold braid, which he was wearing when he was mortally wounded on the second evening of the battle of Chancellorsville on May 2, 1863
Edited sentence: He was subsequently presented with a new grey forage cap, with gold braid, which he was wearing when he was seriously wounded on the second evening of the battle of Chancellorsville on May 2, 1863