Wiflix. Live Aid was held on 13 July 1985, simultaneously in Wembley Stadium in London, England, and the John F. Kennedy Stadium in Philadelphia, United States. It was one of the largest scale satellite link-ups and television broadcasts of all time: watched live by an estimated global audience of 1.9 billion, across 150 nations. "It's twelve noon in London, seven AM in Philadelphia, and around the world it's time for Live Aid...!"