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The 2016 Summer Olympics , officially known as the Games of the 31st Olympiad and commonly known as Rio 2016, was a major international multi-sport event held in Rio de Janeiro, Brazil, from 5 August to 21 August 2016.

Games of the XXXI Olympiad
A green, gold and blue coloured design, featuring three people joining hands in a circular formation, sits above the words "Rio 2016", written in a stylistic font. The Olympic rings are placed underneath.
Host city Rio de Janeiro, Brazil
Motto A new world
(Portuguese: Um mundo novo)
Nations participating 205
Athletes participating 11,544
Events 306 in 28 sports
Opening ceremony 5 August
Closing ceremony 21 August
Officially opened by
Athlete's Oath
Judge's Oath
Coach's Oath
Olympic Torch
Stadium Maracanã Stadium
Summer:
London 2012 Tokyo 2020  >
Winter:
Sochi 2014 Pyeongchang 2018  >

The 2016 Summer Olympics (Portuguese: Jogos Olímpicos de Verão de 2016), officially known as the Games of the 31st Olympiad and commonly known as Rio 2016, was a major international multi-sport event held in Rio de Janeiro, Brazil, from 5 August to 21 August 2016.

More than 11,000 athletes from 205 National Olympic Committees, including first time entrants Kosovo, South Sudan, and the Refugee Olympic Team, took part. With 306 sets of medals, the games featured 28 Olympic sports, including rugby sevens and golf, which were added to the Olympic program in 2009. These sporting events took place at 33 venues in the host city, and at five in São Paulo, Belo Horizonte, Salvador, Brasília, and Manaus.

These were the first Summer Olympic Games under the International Olympic Committee (IOC) presidency of Thomas Bach. The host city Rio de Janeiro was announced at the 121st IOC Session in Copenhagen, Denmark, on 2 October 2009. Rio became the first South American city to host the Summer Olympics. These were the first games to be held in a Portuguese-speaking country, the first to be held entirely in the host country's winter, the first since 1968 to be held in Latin America, and the first since 2000 to be held in the Southern Hemisphere.

The lead-up to these Games was marked by controversies, including the instability of the country's federal government; health and safety concerns surrounding the Zika virus and significant pollution in the Guanabara Bay; and a doping scandal involving Russia, which affected the participation of its athletes in the Games.

The United States topped the medal table for the fifth time in the past six Summer Olympics, winning the most golds (46) and most medals overall (121), as well as its 1,000th Olympic gold medal overall. Great Britain finished second and became the first country in the history of the modern Olympics to increase its tally of medals in the subsequent games after being the host nation. China finished third. Host country Brazil won seven gold medals, its most at any single Summer Olympics, finishing in thirteenth place. Fiji, Jordan, Kosovo, Puerto Rico, Singapore, Tajikistan, Ivory Coast and Vietnam each won their first gold medals, as did the group of Independent Olympic Athletes (from Kuwait).


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