Jack Dempsey Jack Dempsey William Harrison "Jack" Dempsey (June 24, 1895 – May 31, 1983), nicknamed "Kid Blackie" and "The Manassa Mauler", was an American professional boxer who competed from 1914 to 1927, and reigned as the world heavyweight champion from 1919 to 1926. A cultural icon of the 1920s, Dempsey's aggressive fighting style and exceptional punching power made him one of the most popular boxers in history. Many of his fights set financial and attendance records, including the first million-dollar gate. Dempsey is ranked tenth on "The Ring" magazine's list of all-time heavyweights and seventh among its Top 100 Greatest Punchers,
Manassa, Colorado Cerritos. The selection of the land for the colony was made on the assurance that the railroad would soon be built nearby. However, one year later the railroad bypassed the colony, and instead passed through Romeo, just to the west. Manassa is located in eastern Conejos County in the San Luis Valley in south-central Colorado at (latitude 37.174695 north, longitude 105.936359 west). Manassa's elevation is above sea level. The land within Manassa city limits is entirely flat, with rolling hills nearby. Foothills and mountains (taller than ) are farther in each direction, including the Sangre de Cristo Range to the