Sonisphere 2011 took place on Italian soil for the first time. More than 40,000 people were present during two days of festival. The two-day event was booked at the Autodromo Enzo e Dino Ferrari in Imola, on 25 and 26 June 2011. Iron Maiden were the headliners on the first evening, and the band performed to nearly 30,000 fans. Next day's headliners were Linkin Park with 13,000 in attendance. The other bands on the bill were: Slipknot, My Chemical Romance, Sum 41, Alter Bridge, The Cult, Mastodon, Motörhead, Guano Apes, Funeral for a Friend, Papa Roach, Rob Zombie, Apocalyptica
