The Knebworth Festival is a recurring open-air rock and pop concert held on the grounds of the Knebworth House in Knebworth, England. The festival first occurred in July 1974 when The Allman Brothers Band, The Doobie Brothers and other artists attracted 60,000 people. The last festival to date occurred in July 2014.
Since then the venue has hosted numerous outdoor concerts, featuring artists including The Rolling Stones, Lynyrd Skynyrd, Pink Floyd, Genesis, Frank Zappa, Led Zeppelin, The Beach Boys, Deep Purple, Queen (their 1986 concert at the venue their last with Freddie Mercury), Status Quo, Paul McCartney, Eric Clapton, Elton John, Phil Collins, Robert Plant, Dire Straits, Mike Oldfield, Red Hot Chili Peppers, Robbie Williams, and Oasis.