Bugsy Siegel, a Mobster millionaire, opened the pink flamingo hotel and casino on December 26, 1946 in Las Vegas.

Benjamin "Bugsy" Siegel (February 28, 1906[1] – June 20, 1947) was a Jewish American mobster. Siegel was known as one of the most "infamous and feared gangsters of his day".[3] Described as handsome and charismatic, he became one of the first front-page celebrity gangsters.[4] He was also a driving force behind the development of the Las Vegas Strip.[5] Siegel was not only influential within the Jewish mob but, like his friend and fellow gangster Meyer Lansky, he also held significant influence within the American Mafia and the largely Italian-Jewish National Crime Syndicate.