. . . . . . . . . . . . . . . . . . "The 81st Regiment Indiana Infantry was an infantry regiment that served in the Union Army during the American Civil War."@en . . . "81"^^ . . "81st Indiana Infantry Regiment"@en . . "The 81st Regiment Indiana Infantry was an infantry regiment that served in the Union Army during the American Civil War."@en . . "--08-29"^^ . .