In which casino was this World Series of Poker discipline first offered?
2006 World Series of Poker The 2006 World Series of Poker (WSOP) began on June 25, 2006 with "satellite" events, with regular play commencing on June 26 with the annual Casino Employee event, and the Tournament of Champions held on June 28 and 29. Forty more events in various disciplines including Omaha, seven-card stud and razz, plus ladies' and senior tournaments led up to the 10,000 US$ no-limit Texas hold 'em main event starting July 28 and running through the final table on August 10.
Amarillo Slim Thomas Austin Preston Jr. (December 31, 1928 – April 29, 2012), known as Amarillo Slim, was an American professional gambler known for his poker skills and proposition bets. Preston won the 1972 World Series of Poker (WSOP) Main Event and was inducted into the Poker Hall of Fame in 1992.