The 2016 Summer Olympics were held in Rio de Janeiro, Brazil, from August 5 to August 21. These Games were the first to be held in South America and featured over 11,000 athletes from 207 National Olympic Committees. Despite facing challenges such as political instability and concerns over the Zika virus, the Rio Olympics showcased memorable performances, including Usain Bolt's triple-triple and Michael Phelps' record-breaking medal haul.

The 2000 Summer Olympics, held in Sydney, Australia, from September 15 to October 1, were praised for their organization and the environmental focus of the Games. Known as the 'Green Games,' they featured initiatives to reduce waste and promote sustainability. The Sydney Olympics also saw the debut of triathlon and taekwondo as Olympic sports, and are remembered for Cathy Freeman's iconic 400m victory.

The 1992 Summer Olympics, held in Barcelona, Spain, from July 25 to August 9, were significant for being the first Games since 1972 without a boycott. The dissolution of the Soviet Union and the end of apartheid in South Africa allowed for a more inclusive participation. The Barcelona Olympics are remembered for their successful organization and the transformation of the city into a major tourist destination.

The 1984 Summer Olympics, held in Los Angeles, California, United States, from July 28 to August 12, were notable for the Soviet-led boycott in response to the 1980 boycott. Despite this, the Games were financially successful and introduced new commercial sponsorship models. The Los Angeles Olympics are credited with revitalizing the Olympic movement and setting a new standard for future Games.

The 1980 Summer Olympics, held in Moscow, Soviet Union, from July 19 to August 3, were marked by a significant boycott led by the United States. Over 60 countries refused to participate in protest against the Soviet invasion of Afghanistan in 1979. This boycott greatly affected the number of competitors and the overall atmosphere of the Games, highlighting the intersection of sports and international politics.

The 1960 Summer Olympics, held in Rome, Italy, from August 25 to September 11, were the first Games to be fully covered on television. This development significantly increased the global audience for the Olympics, bringing the events into homes around the world and marking a new era in the broadcasting of sports. The Rome Olympics also saw the debut of the Paralympic Games.

The 1936 Summer Olympics were held in Berlin, Germany, from August 1 to August 16, 1936. These Games were notable for the political context, as they were used by Adolf Hitler to promote Nazi propaganda. Despite the political overtones, the Games are remembered for the achievements of African-American athlete Jesse Owens, who won four gold medals, challenging the Nazi ideology of racial superiority.

The first Winter Olympic Games were held in Chamonix, France, from January 25 to February 5, 1924. The event was organized by the International Olympic Committee and featured athletes from 16 nations competing in sports such as skiing, ice hockey, and bobsleigh. This marked the expansion of the Olympic Games to include winter sports, which have since become a regular part of the Olympic cycle.

The first modern Olympic Games were held in Athens, Greece, from April 6 to April 15, 1896. Organized by the newly formed International Olympic Committee, the Games featured 280 participants from 13 nations competing in 43 events. This marked the beginning of the modern era of the Olympics, with events such as athletics, cycling, swimming, and gymnastics.

The International Olympic Committee (IOC) was founded on June 23, 1894, in Paris, France, by Pierre de Coubertin and Demetrios Vikelas. The committee was established to revive the ancient Olympic Games and promote international sporting competitions. The founding congress was attended by delegates from 12 countries, and it marked the beginning of the modern Olympic movement.