Heavyweight boxing championship records and statistics only universally recognized form of a world championship until July 2, 1921, when Jack Dempsey became the inaugural NBA Heavyweight Champion. The growing popularity of boxing led to a birth of various regional sanctioning organizations, with each recognizing their own champion. The major governing bodies were the National Boxing Association, formed in 1921, the New York State Athletic Commission, found after the Walker Law legalized prizefighting in New York in 1920, and the International Boxing Union, created in 1911 in Paris in attepmt create a unified international governing body for professional boxing. Both NBA and NYSAC made then-lineal champion Jack
Manassa, Colorado work the claim. King's Manassa turquoise is best known for its brilliant greens and golden matrices, but blue and blue-green turquoise was found amid these deposits as well. The Manassa area has long been known for its beautiful silver and turquoise jewelry and also for the production of fine pewter items. While some turquoise has been mined in the low hills east of Manassa, most of the jewelry industry in Manassa, and nearby, has utilized and polished the raw turquoise found in the copper and silver mines of Arizona and Nevada. Additionally, coral from the seas and other semiprecious cabochons