London bid for the 2012 Summer Olympics being selected by the International Olympic Committee (IOC) when put up against other world cities in a competitive bidding process. On 6 July 2005 at its 117th Session in Singapore, the IOC awarded London the right to host the Games of the XXX Olympiad. The city beat the favourite Paris 54 to 50 on the fourth and final ballot. London is the first city to host the Games three times. At the time of the bid, the budget projection was around £2 billion, but it was later estimated that the true cost would be around £9 billion. The project involved
Istanbul bid for the 2020 Summer Olympics host the UEFA Euro 2020 Championship. Istanbul 2020 has stated that the Olympic bid still has the support of the government. On May 8, 2012 IOC President Jacques Rogge stated that if Istanbul is awarded the 2020 Olympics that they would have to withdraw as hosts of UEFA Euro 2020. IOC rules state that an Olympic host nation may not host another major sporting event in the country in the same year as the Olympics. While it initially looked like Turkey would be the sole bidder for UEFA Euro 2020, two other bids for the event have also been submitted.