New Frontier Hotel and Casino was subsequently rebuilt and renamed the Hotel Last Frontier in 1942. On April 4, 1955, it was renamed the New Frontier, following a modernization of the resort. The resort had the distinction of hosting Elvis Presley's first Vegas appearance in 1956, and the final performance of Diana Ross and The Supremes on January 14, 1970. In the 1950s and the early 1960s, the New Frontier went through a succession of owners and operators. In 1966 and 1967 (by which time it had been renamed The Frontier) the casino had secret ownership interests by Anthony Joseph Zerilli and Michael Polizzi, "two
The Supremes career was publicly announced. "Someday We'll Be Together" was recorded with the intent of releasing it as the first solo single for Diana Ross. Desiring a final Supremes number-one record, Gordy instead had the song released as a Diana Ross & the Supremes single, despite the fact that neither Wilson nor Birdsong sang on the record. "Someday We'll Be Together" hit number one on the American pop charts, becoming not only the Supremes' 12th and final number-one hit, but also the final number-one hit of the 1960s. This single also would mark the Supremes' final television appearance together with Ross,