ERA I: The London Ring Prize Rules Era 1840-1866 | pbudicegame (webador.com)

ERA II: The Marquess of Queensbury Rules Era 1867-1875 | pbudicegame (webador.com)

ERA III: The Outlaw Era 1876-1919 | pbudicegame (webador.com)

ERA IV: The Birth of the Modern Era 1920-1945 | pbudicegame (webador.com)

ERA V: The Mafia Era 1946-1959 | pbudicegame (webador.com)

ERA VI: The Golden Era 1960-1980 | pbudicegame (webador.com)

ERA VII: The Better Safe Than Sorry Era 1981-1999 | pbudicegame (webador.com)

ERA VIII: The New Century Era 2000-Present | pbudicegame (webador.com)