Monday, April 13, 1863
Colonel Francis Palfrey, still suffering from severe wounds received at Antietam, resigned command of the Twentieth Massachusetts. Colonel Paul Revere, grandson of the famous midnight rider of April 18, 1775, was appointed by Massachusetts governor John Andrew as new commander. 1
1George A. Bruce, The Twentieth Regiment of Massachusetts Volunteer Infantry 1861 - 1865 (Cambridge, Massachusetts: The Riverside Press, 1906), 235.