What country did the U.S. men’s Olympic hockey team defeat in the semi-finals of the 1980 Winter Olympics in Lake Placid, a game commonly known as the “Miracle on Ice”?
The United States played the Soviet Union at the 1980 Winter Olympics in Lake Placid, New York. Despite the Soviet Union being a four-time defending champion and favored to win, the United States won 4–3. The game was later named the "Miracle on Ice".