The festival is returning for 2014.
Iron Maiden and Metallica have been unveiled as the big name headliners of Sonisphere 2014!
The metal giants’ historic sets next July mark the first time they’ve ever shared a British bill and will be the only UK concerts either band will play in 2014.
The big name announcement is a huge statement of intent for Sonisphere organisers after two years away from British soil. The event was cancelled in 2012 and did not return this year.
Making the event even more momentous, next summer will be the 40th anniversary of rock events held in the hallowed grounds of Knebworth House.
After the inaugural 1974 event with Van Morrison and the Allman Brothers, the likes of Led Zeppelin, The Rolling Stones, Genesis, The Who and Pink Floyd have all graced Knebworth in the ensuing years.
Sonisphere debuted at Knebworth in 2009 and over its initial three year run boasted spectacular sets from Slipknot, Rammstein, Biffy Clyro and Linkin Park.
Enthusing about securing Iron Maiden and Metallica, Team Sonisphere said in a statement: "During our two year absence we’ve continued to believe in and work hard on Sonisphere.
“We said in 2013 that if we had the right line up then we would be back, and that’s exactly what we’ve got in 2014.
“The omens were obviously on our side when we secured the two biggest metal acts of all time in the year that also brings the 40th anniversary of the first concert at Knebworth.
“Our excitement at being able to offer Iron Maiden and Metallica on the same bill for the first time ever has been hard to contain.
“To do so in a year of great celebration for the iconic venue is very satisfying. Sonisphere 2014 is going to be a legendary year!"
Sonisphere takes place from Friday 4th to Sunday 6th July 2014.
TICKETS ARE ON SALE NOW! GET YOURS FROM SONISPHERE.CO.UK.