In 1967, the technology to share a television feed worldwide was brand new, so to celebrate, 19 nations participated in the Our World television program. The Beatles were chosen to represent England and performed live at Abbey Road Studios surrounded by Mick Jagger and Keith Richards of The Rolling Stones, Eric Clapton, Graham Nash, and other celebrities.
(The video above is a cool, short documentary on how the program — and groundbreaking technology — came together.)