Soviet Union at the Olympics

The Union of Soviet Socialist Republics (USSR) first participated at the Olympic Games in 1952, and competed at the Summer and Winter Games on 18 occasions subsequently. At six of its nine appearances at the Summer Olympic Games, the Soviet team ranked first in the total number of gold medals won, second three times, and became the biggest contender to the United States' domination in the Summer Games.

Source: Wikipedia — Soviet Union at the Olympics (CC BY-SA 4.0)