Complex sentence: B. F. Reed, a captain in the Illinois Volunteers (Co. D, 21 Reg) in the American Civil War, led his men for two years and was mortally wounded on September 19,1863 in the Battle of Chickamauga.
Split into simpler sentences: B. F. Reed was a captain in the Illinois Volunteers (Co. D, 21 Reg) in the American Civil War. Reed was mortally wounded on September 19,1863 at the Battle of Chickamauga.