 Nyorai kuenderera mberi kweiyi ndima - Munguva yemushandirapamwe waSheridan wekuchenesa muShenandoah Valley, Washburn akatungamira 4th Brigade panguva yekurwa kwakasimba muhondo dzeOpequon, Fishers Hilluye Cedar Creek. Musi waDecember 12, 1864, Mutungamiri Abraham Lincoln akasarudza Washburn kuti asarudzwe kuti ave mutevedzeri weBrigadier General of Volunteers, kuti ave nechinzvimbo kubva musi waDecember 15, 1864, uye Senate yeUnited States yakasimbisa kusarudzwa musi waFebruary 14, 1865. Munguva yechando ya1864-65, mauto gumi nemapfumbamwe akachengetedza nzvimbo yeSavannah apo aiita hondo munzvimbo dzevapanduki. Akabuda muuto musi waAugust 26, 1865. Musi waMay 4, 1866, Mutungamiri Andrew Johnson akasarudza Washburn kuti asarudzwe kuti ave mukuru mukuru wemauto ezvipiri, kubva musi waMarch 13, 1865, nokuda kwebasa rakanaka uye rakanaka munguva yehondo uye Senate yeUnited States yakasimbisa kusarudzwa musi waMay 18, 1866. 