On this day in 1970, Diana Ross and the Supremes performed their final concert. They were the most successful American pop group of the 1960s-a group whose 12 #1 hits in the first full decade of the rock and roll era places them behind only Elvis and the Beatles in terms of chart dominance. They helped define the very sound of the 60s, but like fellow icons the Beatles and Simon and Garfunkel, they came apart in the first year of the 70s. The curtain closed for good at the Frontier Hotel in Las Vegas, Nevada. Learn More