. . . . . "1861Z"^^ . . . . "4th Regiment, Ohio Volunteer Infantry"@en . . "1861Z"^^ . "~950 soldiers at outset of the war" . . "The 4th Regiment, Ohio Volunteer Infantry (or 4th OVI) was an infantry regiment in the Union Army during the American Civil War. It served in the Eastern Theater in a number of campaigns and battles, but perhaps is most noted for its actions in helping secure Cemetery Hill during the Battle of Gettysburg."@en . .