The 4thMissouri Colored InfantryRegiment was an African-American infantryregiment that served in the Union Army during the American Civil War. Redesignated...
The 4th Arkansas Infantry (August 17, 1861 – April 26, 1865) was a Confederate States Army infantryregiment from the state of Arkansas during the American...
The 4th Minnesota InfantryRegiment was a Minnesota USV infantryregiment that served in the Union Army during the American Civil War. It served in several...