The Swiss flag is not rectangular, but square. However, in international competitions such as the Olympic Games, the standard size is used. With a white cross and a red background, tradition has ...

London 2012 organizers were left red-faced after incorrectly displaying South Korean flags alongside North Korean players in one of the opening Olympic soccer games. WSJ's John Crowley reports.

To clear the finish line, the bow of the canoe or the kayak must cross the line, which is marked by a pair of red flags on either side of the course. How does the start work? Olympic races use a ...