Built in 1892, the four-story French Second Empire Structure characterized by the mansard roof has a varied history as a saloon, post office, bank and hotel. References to French culture were often included in the Victorian commercial architecture as an allusion to the continental sophistication associated with the French. El Rancho. In 1915 at 10th and Main, Colorado native Jack Dempsey “The Manassa Mauler” knocks down Andy Maller in 10 rounds and won $50. In 1919 Dempsey becomes World Heavy Weight Champion.