. . "The 27th United States Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War."@en . . . "The 27th United States Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War."@en . "First Battle of Bull RunBattle of West PointSiege of YorktownSeven Days' BattlesSecond Battle of Bull RunBattle of South MountainBattle of AntietamBattle of FredericksburgBattle of Chancellorville"@en . . . . . "27th United States Infantry Regiment (Civil War)"@en . "27"^^ .