American swimmer Michael Phelps became the first person to win eight gold medals at one Olympic Games.
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The first modern international Olympic Games began in Athens, Greece.
The Winter Olympics opened in Lake Placid, New York.
Singapore opened the world's first Summer Youth Olympics Games.
USA's men's hockey team beat Canada's for the first time in 12 years.
The world's first Winter Olympics took place in Chamonix, France.
