The United States.
Argentina
Olympic games soccer is not won by a person, but by a national team. In 2004 it was Argentina.
At the 2004 Olympic Games, Argentina won gold in men's football and the United States won gold in women's football.
The 2004 Olympic gold medal team was from Cuba. The 2008 Olympic gold medal game will be between Cuba and South Korea.
1 Silver Medal for India in Athens 2004. http://en.wikipedia.org/wiki/India_at_the_2004_Summer_Olympics
Tonique Williams
August 14, 2004 at the Summer Games in Athens. Phelps first Olympic medal was a gold in 400 meter individual medley at the 2004 Games.
Rugby is not an Olympic sport. The last Olympics where rugby was a medal sport was the 1924 Games in Paris.
Justin Gatlin.
USA team won the women's basketball gold medal in 2004 Olympics.
That was Zimbabwe. That gold medal was the only medal Zimbabwe had won in Olympic competition until 2004 when Kirsty Coventry won three medals in swimming (gold in 200 meter backstroke, silver in 100 meter backstroke, bronze in 200 meter individual medley).
Charles Lindburg