On March 26, 1944, born on this day, Diana Ross, American singer, The Supremes (1964 UK & US No.1 single 'Baby Love' plus over 20 other US & UK Top 40 hits). Solo (1980 US No.1 single 'Upside Down, 1986 UK No.1 single 'Chain Reaction'). During the 1960s The Supremes became Motown's most successful act, and is to this day the United States' most successful vocal group. As part of the Supremes, her success made it possible for future African-American R&B and soul acts to find mainstream success."