When was the concert where King of Rock was performed  held?
Live Aid Live Aid was a dual-venue benefit concert held on 13 July 1985, and an ongoing music-based fundraising initiative. The original event was organised by Bob Geldof and Midge Ure to raise funds for relief of the ongoing Ethiopian famine. Billed as the "global jukebox", the event was held simultaneously at Wembley Stadium in London, England, United Kingdom (attended by 72,000 people) and John F. Kennedy Stadium in Philadelphia, Pennsylvania, United States (attended by about 100,000 people).
Rock of Ages Festival The Rock of Ages Festival is a music festival held every October in Calistoga, California, United States. It was established in 1999 and has grown to become one of Northern California's biggest rock festivals. Rock of Ages Festival presents speakers and music on four stages ranging in style from rock, rap, and Reggae to punk, big band, Latino, and more. The Rock of Ages Festival also presents workshops on subjects from marriage and relationships, to creation science and local ministry.