21.
Cadet, U. S. Military Academy, July 1, 1841, to July 1, 1846. Brevet Second Lieutenant, 3d U. S. Infantry, July 1, 1846. Second Lieutenant, 2d Infantry, Feb. 16, 1847. Brevet First Lieutenant, Aug. 20, 1847. First Lieutenant, 2d Infantry, June 8, 1849.
Captain, Mar. 3, 1855.
On the upper Potomac, June to July, 1861.
In the Manassas campaign of July, 1861; engaged in the battle of Bull Run, July 21, 1861.
On Provost duty at Washington, July to Sept., 1861.
Colonel, 7th Mass. Infantry, S3, 1865.
Mustered out, Aug. 19, 1865.
Johns, Thomas Denton.
Born in Pennsylvania.
Cadet, U. S. Military Academy, July 1, 1844, to July 1, 1848. Brevet Second Lieutenant, 1st U. S. Infantry, July 1, 1848. Second Lieutenant, 2d Infantry, June 8, 1849.
Resigned, Dec. 3, 1851.
Colonel, 7th Mass. Infantry, Feb. 22, 1863.
In the Rappahannock campaign, Army of the Potomac, Apr.–May, 1863; engaged in the storming of Marye's Heights, May 3, 1863, where he was twice severely wounded, in movemen