“2012 Olympics” redirects here. For the Winter Olympics Youth Olympic Games see 2012 Winter Youth.
“London 2012″ redirects here. For the video game, see London 2012: The Official Video. For the Paralympic Games, see 2012 Summer Paralympics.
The 2012 Summer Olympics, officially Games of the XXX Olympiad, also known informally as London 2012, began in London, UK, July 27 and runs through August 12, 2012. The first event, the group stage in women’s football began two days earlier, on July 25. Around 10,500 athletes from 204 National Olympic Committees (NOCs) are expected to participate.
Following a bid headed by former Olympic champion Sebastian Coe and the Mayor of London Ken Livingstone, London was chosen as the host city on July 6, 2005 during the 117th IOC Session in Singapore, beating bids from Moscow , New York, Madrid and Paris. London is the first city to officially host the modern Olympic Games three times, having previously done in 1908 and 1948.
The construction in preparation for the Games has made significant redevelopment, especially towards the main thematic focus sustainability.The this is a new 200-hectare Olympic Park, built on a former industrial site in Stratford in east London Games . The sites also use already in place before the offer.
Before July 15, 2003, the deadline for interested cities to bid for the International Olympic Committee (IOC), nine cities had submitted bids to host the 2012 Olympics. These cities were Havana, Istanbul, Leipzig, London, Madrid, Moscow, New York, Paris and Rio de Janeiro
From the UK hosted the 1948 Summer Olympics in London, three bids have been made to a British city to host the Summer Olympics – Birmingham for the 1992 Olympics and Manchester Commonwealth Games 1996 and 2000. Preliminary planning for a possible London bid for 2012 Olympic Games began in 1997. The UK successfully hosted the UEFA European Championship 1996 and the Commonwealth Games 2002, which satisfy the IOC that the UK as a whole could host major sporting events and the momentum generated for the country to take a decade gold of the sport – which included the 2012 Olympic Games.
London Mayor Ken Livingstone, said his main motivation to initiate and push for the candidacy of the city was to develop the East End of London, forgotten for more than thirty years. On May 18, 2004, the IOC, as a result of a scored technical evaluation, reduced the number of cities to five: London, Madrid, Moscow, New York and Paris.
The five cities submitted their candidate file on November 19, 2004, and were visited by the IOC inspection team in February and March 2005. The Paris bid suffered two setbacks during the IOC inspection visit: a series of strikes and demonstrations coinciding with the visits, and a report that one of the key team members of the Paris bid facing charges for alleged finances corrupt political parties.
On June 6, 2005, the IOC released its evaluation reports of the five candidate cities. Although these reports do not contain any scores or rankings, the evaluation report in Paris was considered the most positive, followed closely by London which had reduced most of the observed difference in the initial evaluation in 2004 regarding Paris. New York and Madrid also received very positive evaluation reports
Development and preparation
The London Organising Committee of the Olympic Games (LOCOG) was created to oversee the staging of the Games after the success of the offer, and held its first meeting of the Council on October 3, 2005. The committee, chaired by Lord Coe, is in charge of implementing and staging the Games, while the Olympic Delivery Authority (ODA) is responsible for the construction of facilities and infrastructure. The latter was created in April 2006.
The Government Olympic Executive (GOE), a unit within the Department for Culture, Media and Sport (DCMS) is the government body responsible for coordinating the London 2012 Olympic Games. It focuses on the supervision of the Games program management throughout the program and the London 2012 Olympic legacy before and after the Games will benefit London and the UK. The organization is also responsible for overseeing the £ 9.3 billion of public sector funds.
In August 2011, security issues arose around the celebration of the Olympic Games in London  due to the 2011 riots England, with a few countries expressing fears for the safety of the Games,  although Securities International Olympic Committee that the riots will not affect the Games.
IOC Coordination Commission for the 2012 Games completed its tenth and last visit to London in March 2012. They concluded that “London is ready to welcome the world this summer.”
Facilities and infrastructure
The Olympic and Paralympic Games in 2012 using a mixture of new venues, existing facilities and historical sites, and temporary facilities, some of them in well-known as Hyde Park and Horse Guards Parade. Some of the new facilities will be reused in their Olympic form, while others will be changed or relocated.
Most places have been divided into three zones within Greater London: the Olympic Zone, the River Zone and Central Zone. In addition, there are few places that, by necessity, are outside the boundaries of Greater London, as the Weymouth and Portland National Sailing Academy about 125 miles (200 kilometers) southwest of London, which will host competitions candle. The football tournament will be played in the fields of various parts of the UK. Work began in the Park in December 2006 when a sports hall at Eton Manor was shot down.  The athletes’ village in Portland was completed in September 2011