Rubuta ci gaba don wannan sakin layi - Tsoffin membobin rundunar (sauran 'yan shekaru uku na asali) sun fito ne a ranar 21 ga Yuni, 1864, kuma abin da ya rage na 4th Regiment, Ohio Volunteer Infantry an haɗa shi zuwa wani rukunin bayan kwana biyar. Ƙungiyar ta 4 ta raguwa sosai ta yi aiki a cikin jerin ayyukan da ke kusa da Petersburg, ciki har da Deep Bottom, Ream's Station
, da kuma Hatcher's Run. Sun yi aiki a cikin Kamfen na Appomattox daga Maris 28 zuwa Afrilu 9, suna ganin babban babban yakin da suka yi a nasarar da aka yi a yakin Sayler's Creek. Sojojin da suka yi nasara sun yi tafiya zuwa Washington, DC a farkon watan Mayu, sa'an nan kuma suka shiga cikin Babban Bincike a ranar 23 ga Mayu. 4th Ohio ya fito ne a ranar 12 ga Yuli, 1865, a Columbus.