The 38th Wisconsin Infantry Regiment lost 1 officer and 56 enlisted men killed or mortally wounded and 56 enlisted men to disease during the Civil War.

1864
Battalion of four Companies (A, B, C and D) organized at Madison, Wis.
April 15 Mustered in
May 3-7 Moved to Washington, D.C.
May Camp at Arlington, Va. attached to Casey’s Provisional Brigade, 22nd Army Corps
May 30-June 1 Moved to White House, Va. and attached to 1st Brigade, 3rd Division, 9th Army Corps, Army of the Potomac. Battalion temporarily attached to 1st Minnesota Infantry.
June 9 Guard supply train to Cold Harbor
June 10-12 Battle of Cold Harbor
June 12-15 Movement across James River to Petersburg
June 16-18 Assaults on Petersburg
June 16 to April 2 Siege of Petersburg
July 26 Company E joined
July 30 Mine Explosion, Petersburg
August 18-21 Weldon Railroad
September 29-October 2 Poplar Springs Church (Peeble’s Farm)
September Attached to 1st Brigade, 1st Division, 9th Army Corps
October 1 Companies F, G, H, I and K joined regiment
October 27-28 Boydton Plank Road, Hatcher’s Run
1865
January 29 Received Rebel Peace Commissioners Stephens, Hunter, Campbell and Hatch through lines under flag of truce
March 25 Fort Stedman, Petersburg
March 28-April 9 Appomattox Campaign
April 2 Assault on and fall of Petersburg
April 3 Occupation of Petersburg
April 3-9 Pursuit of Lee
April 21-25 Moved to Washington, D.C.
May 23 Grand Review
June 6 2nd Battalion mustered out
June-July 1st Battalion on duty at Arsenal, Washington, during trial and execution of President Lincoln’s assassins.
July 26 Mustered out