Complex sentence: Kenly himself was severely wounded when he was taken prisoner, but his stand had saved General Banks's division at Winchester, and he was raised to the command of a brigade in 1862, which he led at Hagerstown, Harpers Ferry, and elsewhere.
Split into simpler sentences: Kenly himself was severely wounded when he was taken prisoner, but his stand had saved General Banks's division at Winchester, and he was raised to the command of a brigade in 1862. This he led at Hagerstown, Harpers Ferry, and elsewhere.