ANNAPOLIS, MARYLAND, April 24th, 1861
ORDER No. 3
GENERAL B. F. BUTLER, being the senior officer present, will take command of this Department of troops assembled at Annapolis.
By order of the PRESIDENT
SOURCE: Jessie Ames Marshall, Editor, Private and Official Correspondence of Gen. Benjamin F. Butler During the Period of the Civil War, Volume 1: April 1860 – June 1862, p. 35