Japan competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Japanese athletes have competed at every Summer Olympic Games in the modern era since 1912 except for two editions; it was not invited to the 1948 Summer Olympics in London for its role in World War II, and was also part of the US-led boycott of the 1980 Summer Olympics in Moscow. The Japanese Olympic Committee sent a total of 306 athletes, 139 men and 167 women, to compete in 27 sports. For the first time in its Olympic history, Japan was represented by more female than male athletes.
South Africa competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's sixteenth overall and fourth consecutive appearance at the Summer Olympics in the post-apartheid era. The South African Sports Confederation and Olympic Committee (SASCOC) sent a total of 106 athletes to the Games, 66 men and 40 women, to compete in 19 sports. Field hockey was the only team-based sport in which South Africa had its representation at these Games. There was only a single competitor in archery, canoeing, diving, artistic and rhythmic gymnastics, judo, sailing, shooting, taekwondo, and wrestling.
The men's discus throw competition at the 2004 Summer Olympics in Athens was held at the Olympic Stadium on 21–23 August. It was originally planned to hold the discus throw at the Ancient Olympia Stadium, but it was discovered that the field was not large enough to accommodate the range of modern discus throwers, and would have posed a danger to spectators. As such, it was decided to move the discus throw and to hold the shot put at the ancient stadium, despite the fact that the shot put was not contested at the Ancient Olympic Games. Thirty-nine athletes from 26 nations competed.
Italy competed at the 2004 Summer Olympics in Athens, Greece, from the 13th to the 29th of August 2004. The country has competed at every Summer Olympic games in the modern era, except for the 1904 Summer Olympics in St. Louis. The Italian National Olympic Committee sent the nation's largest ever delegation in history to the Games. A total of 364 athletes, 229 men and 135 women, competed in 27 sports.
Russia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third consecutive appearance at the Summer Olympics as an independent nation. The Russian Olympic Committee sent a total of 446 athletes to the Games, 244 men and 202 women, to compete in all sports, except baseball, field hockey, football, and softball.
Belarus competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fifth appearance at the Summer Olympics in the post-Soviet era. The Belarus Olympic Committee sent a total of 151 athletes to the Games, 82 men and 69 women, to compete in 22 sports.
China competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's ninth appearance at the Summer Olympics since its debut in 1952. A total of 384 Chinese athletes, 136 men and 248 women, were selected by the Chinese Olympic Committee to compete in 28 sports. For the third time in its Olympic history, China was represented by more female than male athletes.
New Zealand competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's twenty-second appearance at the Olympics since its debut in 1908 as part of Australasia. The New Zealand Olympic Committee sent a total of 148 athletes, 81 men, and 67 women to the Games to compete in 18 sports, surpassing a single athlete short of the record from Sydney four years earlier. Basketball and field hockey were the only team-based sports in which New Zealand had its representation at these Olympic Games. There was only a single competitor in archery, boxing, and fencing.
Czech Republic competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third appearance at the Summer Olympics after gaining its independence from the former Czechoslovakia. The Czech Olympic Committee sent the nation's largest team to the Games since the post-Czechoslovak era. A total of 142 athletes, 80 men and 62 women, competed in 19 sports; the nation's team size was roughly denser from Sydney by one sixth of the athletes. Women's basketball was the only team-based sport in which the Czech Republic had its representation at these Olympic Games. There was only a single competitor in equestrian, artistic and trampoline gymnastics, judo, and weightlifting.
Hungary competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Hungarian athletes have competed at every Summer Olympic Games in the modern era, except the 1920 Summer Olympics in Antwerp, and the 1984 Summer Olympics in Los Angeles because of the Soviet boycott. The Hungarian Olympic Committee sent a total of 209 athletes to the Games, 119 men and 90 women, to compete in 20 sports. Water polo and handball were the only team-based sports in which Hungary had its representation in these Olympic Games. There was only a single competitor in road cycling and mountain biking.
Serbia and Montenegro competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Previously known as the Federal Republic of Yugoslavia, this was the nation's third and last joint appearance at the Summer Olympics before Serbia and Montenegro became separated independent states in 2006. The Olympic Committee of Serbia and Montenegro sent a total of 85 athletes to the Games, 78 men and 7 women, to compete in 14 sports. Men's basketball, football, volleyball, and water polo were the only team-based sports in which Serbia and Montenegro had its representation at these Games. There was only a single competitor in road cycling, judo, tennis, and wrestling.
Croatia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourth consecutive appearance at the Summer Olympics since the post-Yugoslav era. The Croatian Olympic Committee sent the nation's smallest delegation to the Games since its debut in 1992. A total of 81 athletes, 66 men and 15 women, competed in 14 sports. Men's water polo, and men's handball were the only team-based sports in which Croatia had its representation in these Olympic Games.
Estonia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's ninth appearance at the Summer Olympics.
Virgilijus Alekna is a Lithuanian former discus thrower and politician. He won medals at the 2000, 2004 and 2008 Olympics, including two golds.
The men's discus throw event at the 2000 Summer Olympics as part of the athletics program was held at the Olympic Stadium on Sunday, 24 September and Monday, 25 September. Forty-five athletes from 28 nations competed. The event was won by Virgilijus Alekna of Lithuania, the nation's second victory in the men's discus throw. Lars Riedel of Germany took silver, becoming the 13th man to win multiple discus throw medals. Frantz Kruger earned South Africa's first medal in the event with his bronze.
The men's discus throw event at the 2008 Summer Olympics took place on 16–19 August at the Beijing National Stadium. Thirty-seven athletes from 29 nations competed. The event was won by Gerd Kanter of Estonia, the nation's first victory in the men's discus throw. Piotr Małachowski took silver to give Poland its first medal in the event. Lithuanian thrower Virgilijus Alekna's bronze made him the third man to win three medals in the sport, adding to his gold medals from 2000 and 2004.
Lithuania competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's eighth appearance at the Summer Olympics. The National Olympic Committee of Lithuania sent a total of 62 athletes to the Games, 39 men and 23 women, to compete in 14 sports. Men's basketball was the only team-based sport in which Lithuania had its representation in these Olympic games.
The men's discus throw was a competition at the 2012 Summer Olympics in London, United Kingdom. The event was held at the Olympic Stadium on 6–7 August. Forty-one athletes from 24 nations competed. The event was won by Robert Harting of Germany, the nation's first victory in the men's discus throw since 1996 and second overall. Ehsan Haddadi earned Iran's first medal in the event with his silver. Gerd Kanter of Estonia became the 15th man to win multiple medals in the event, adding a bronze to his 2008 gold. Virgilijus Alekna of Lithuania narrowly missed being the second man to win four medals in the event, finishing fourth.
The United States of America (USA) competed at the 2004 Summer Olympics in Athens, Greece. 533 competitors, 279 men and 254 women, took part in 254 events in 31 sports.
The men's discus throw at the 2024 Summer Olympics was held in Paris, France, on 5 and 7 August 2024.
Russian Empire (1908–1912)
Soviet Union (1952–1988)
