Five of them
The five-ring Olympic flag was first formally used in the 1920 Belgium Olympics.
the five continents that take part in olympics
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each country that takes part has one colour of its flag on one of the five rings
Nope - the Olympic flag is a modern item. It signifies the five continents where the Olympics are held - and at least one of the colours of the rings appears on every flag of the participating countries.
There were no Olympics, and so no Olympic flag, in the Middle Ages.
when was the olympic flag first made
Mahe Drysdale carried the New Zealand flag at the Bejiing Olympics.
cause its a special and old flag to represent the olympics
Ayumi Ogasawara (Sport: Curling) is the flag bearer for Jap in Sochi Olympics 2014.
There is no specific rule, but more often than not the flag carrier is a competing athlete.