The Summer Olympic Games, also known as the Games of the Olympiad, and often referred to as the Summer Olympics, is a major international multi-sport event normally held once every four years. The inaugural Games took place in 1896 in Athens, Greece, and the most recent Games were held in 2021 in Tokyo, Japan. The International Olympic Committee (IOC) is responsible for organising the Games and for overseeing the host city's preparations. The tradition of awarding medals began in 1904; in each Olympic event, gold medals are awarded for first place, silver medals for second place, and bronze medals for third place. The Winter Olympic Games were created out of the success of the Summer Olympic Games, which are regarded as the largest and most prestigious multi-sport international event in the world.
The 1964 Summer Olympics, officially the Games of the XVIII Olympiad and commonly known as Tokyo 1964, were an international multi-sport event held from 10 to 24 October 1964 in Tokyo, Japan. Tokyo had been awarded the organization of the 1940 Summer Olympics, but this honor was subsequently passed to Helsinki due to Japan's invasion of China, before ultimately being cancelled due to World War II. Tokyo was chosen as the host city during the 55th IOC Session in West Germany on 26 May 1959.
The Judo competition at the 1972 Summer Olympics was the return of the sport following its absence at the 1968 Summer Olympics in Mexico City. Medals were awarded in six weight classes, and competition was restricted to men only. Among the highlights was Wim Ruska of the Netherlands winning gold medals in both the heavyweight and open class competition, becoming the first judoka to win two Olympic gold medals.
At the judo competition at the 1976 Summer Olympics, medals were awarded in five weight classes and in the open competition, and was restricted to male judoka only.
Volleyball has been part of the Summer Olympics program for both men and women consistently since 1964.
The Judo competition at the 1984 Summer Olympics continued the seven weight classes first used at the 1980 Games. With the open division, there were eight competitions. Japan returned to the top of the medal count, after boycotting the Moscow games. Because of the Soviet-led boycott of the Los Angeles games, several traditionally strong judo countries, including Cuba and the Soviet Union, did not participate. The Judo competition was held at California State University, Los Angeles.
Basketball contests at the 1964 Summer Olympics was the sixth appearance of the sport of basketball as an official Olympic medal event. It took place at the Yoyogi National Gymnasium in Tokyo, Japan from October 11 to October 23. The United States defeated the Soviet Union to win their sixth consecutive gold medal at this event, while Brazil earned the bronze against Puerto Rico.
The 1958 Asian Games, officially the Third Asian Games and commonly known as Tokyo 1958, was a multi-sport event held in Tokyo, Japan, from 24 May to 1 June 1958. It was governed by the Asian Games Federation. A total of 1,820 athletes representing 20 Asian National Olympic Committees (NOCs) participated in the Games. The program featured competitions in 13 different sports encompassing 97 events, including four non-Olympic sports, judo, table tennis, tennis and volleyball. Four of these competition sports – field hockey, table tennis, tennis and volleyball – were introduced for the first time in the Asian Games.
The Judo competition at the 1988 Summer Olympics continued the seven weight classes first used at the 1980 Games. The open division was eliminated from the competition. Women's judo made its first appearance at the Olympic Games, as a demonstration sport. Japan failed to claim the top of the medal count for the first time in an Olympics in which they participated, coming in third behind South Korea and Poland.
At the 1964 Summer Olympics, 16 wrestling events were contested, for all men. There were eight weight classes in Greco-Roman wrestling and eight classes in freestyle wrestling.
Rowing at the 1964 Summer Olympics featured seven events, for men only.
The 1964 Summer Olympics was the first time that Volleyball had been held as an Olympic sport. The sport would feature two medals during this games with the men's and women's indoor teams events. In both tournaments, the format was the same with a single round robin between all of the teams that was competing in the tournament.
Canoeing at the 1964 Summer Olympics was held between 20 October 1964 and 22 October 1964 on Lake Sagami, 60 kilometres from Sagamiko, Kanagawa, Japan. There were 7 events, 5 of which were for men and 2 for women. Both of the women's events were 500 metre kayaking events; there were three kayaking and two canoeing events for men, all of which covered 1000 metres. The K-4 event for men was introduced to the Olympic program at these Games, replacing the 4×500 metre K-1 event that was raced in the 1960 Games.
At the 1964 Summer Olympics in Tokyo, four diving events were contested during a competition that took place at the Yoyogi National Gymnasium, from 11 to 18 October, comprising 80 divers from 20 nations.
The modern pentathlon at the 1964 Summer Olympics was represented by two events : Individual competition and Team competition. As usual in Olympic modern pentathlon, one competition was held and each competitor's score was included to the Individual competition event results table and was also added to his teammates' scores to be included to the Team competition event results table. This competition consisted of 5 disciplines:
The weightlifting competition at the 1964 Summer Olympics in Tokyo consisted of seven weight classes, all for men only. It also counted as 1964 World Weightlifting Championships.
Mongolia first participated at the Olympic Games in 1964, and has sent athletes to compete in all but one Summer Olympic Games since then, being part of the boycott of the 1984 Summer Olympics led by the Soviet Union. Mongolia has also participated in the Winter Olympic Games since 1964, missing only the 1976 Winter Games.
Judo at the 2020 Summer Olympics in Tokyo featured around 393, 128 judoka competing in 15 events, seven each for both men and women as well as a new mixed team event. The 2020 Summer Olympics were postponed due to the COVID-19 pandemic, and the judo competitions were held in July 2021 at Nippon Budokan.
Skateboarding at the 2020 Summer Olympics was an event held in the 2020 Summer Olympics in Tokyo, Japan. It was the debut appearance of skateboarding at the Summer Olympics. Skateboarding was one of four new sports added to the Olympic program for 2020; it is also provisionally approved for the 2024 Summer Olympic games. The proposal to add skateboarding to the Olympics was approved in August 2016.
Moldova, officially the Republic of Moldova, competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's seventh consecutive appearance at the Summer Olympics in the post-Soviet era.
