The 37th and 38th Wisconsin Infantry regiments mustered out. The 37th had spent its 14-month-long term of service in and around Washington D.C. It participated in the Siege of Petersburg and the Appomattox Campaign in pursuit of General Lee’s army. It lost 247 men during service. The 38th served in the same campaigns as the 37th but was also on duty at Arsenal, Washington, during trial and execution of President Lincoln’s assassins. It lost 113 men during service.