Browse all Entries, Images, Videos, and Audio Files in the Civil War Military Units category. Fourth Battalion Ohio Volunteer Infantry Fourth Ohio Independent Battalion of Cavalry 1863–1864 Fourth Ohio Independent Battery of Ohio Volunteer Artillery 1861–1865 Fourth Ohio Independent Cavalry Company 1861–1865 Fourth Regiment Ohio Volunteer Cavalry Fourth Regiment Ohio Volunteer Infantry Fourth Regiment Ohio Volunteer Infantry (Three Months Service) Fourth Regiment United States Veteran Volunteer Infantry Companies D and K Fourth Regiment United States Veteran Volunteer Infantry Company A Fourth Regiment Virginia Volunteer Infantry 1861–1865 Previous 1…4445464748…72 Next