Battle Cry of Freedom (book) For 1862 song, see Battle Cry of Freedom. Battle Cry of Freedom: The Civil War Era is a Pulitzer Prize-winning work of history published in 1988 by James M. McPherson.
The 1972 Dolphins ' win is the only perfect season in NFL history. The only team with multiple Super Bowl appearances and no losses is the Baltimore Ravens, who in winning Super Bowl XLVII defeated and replaced the 49ers in that position.
Pittsburgh has won more Super Bowl titles (6), and hosted more (11) conference championship games than any other NFL team. The Steelers share the record for most AFC championships with the New England Patriots (8), and the record for most conference championship games played in with the San Francisco 49ers (15). The Steelers share the record for most Super Bowl appearances with the Patriots and Dallas Cowboys (8).