Passage: On 10 December 2007, the surviving members of Led Zeppelin, as well as John Bonham's son, Jason Bonham played a charity concert at the O2 Arena London. According to Guinness World Records 2009, Led Zeppelin set the world record for the "Highest Demand for Tickets for One Music Concert" as 20 million requests for the reunion show were rendered online. On 7 June 2008, Page and John Paul Jones appeared with the Foo Fighters to close the band's concert at Wembley Stadium, performing "Rock and Roll" and "Ramble On". For the 2008 Summer Olympics, Page, David Beckham and Leona Lewis represented Britain during the closing ceremonies on 24 August 2008. Beckham rode a double-decker bus into the stadium, and Page and Lewis performed "Whole Lotta Love".

Question: when was the closing ceremony of the 2008 summer Olympics?
24 August 2008