Basketball controversy, Munich 1972
The men's basketball final between the United States and the Soviet Union at the 1972 Olympics is one of the greatest sporting controversies of all time.
The Americans had never lost an Olympic match and with three seconds of the game remaining, Doug Collins converted two free throws to put them 50-49 ahead.
The USSR tried to call a timeout immediately, but it was not awarded until there was one second remaining. The clock was reset to 0:03, but it showed 0:50 and the Americans celebrated when three seconds had passed.
However, due to the clock's malfunction the referees were ordered to put the three seconds back on again.
The Soviet team then scored for a 51-50 win and the Americans protested in vain. Forty years on, none of the USA team have ever collected their silver medals and they remain unclaimed in a vault in Switzerland.