The 2012 Summer Olympic Games will be held in London from 27 July to 12 August 2012, followed by the 2012 Paralympic Games from 29 August to 9 September.
How many times has London hosted the Olympics?
London hosted the Olympic games in 1908 and 1948.
How many countries are expected to take part in the London 2012 Olympics?
We expect 205 nations to take part in 300 events at the Olympic Games in 2012. 147 nations will take part in the Paralympic Games.
London 2012 Olympics
The official site for the London Olympics