The Summer Olympics are held during the summer and have summer sports and competitions. The Winter Olympics are held during the winter and have winter sports and competitions. Both Olympic competitions are held every four years, but Winter Olympics are held two years after the most recent Summer Olympics.
None - the winter Olympics were never held in Athens. The summer Olympics have been held there several times, though.
Cooking
31 sports
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The Modern Olympics trace their roots back to Greece. There have been thirty Summer Olympics and 22 Winter games held during the Modern era.
The olympics have been held in Bejing and Vancouver.
Has the Olympics been held in bulgaria before
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It is believed to have been held in 776 BC with a footrace. The first "modern" Olympics however, were held in Olympia, Greece during the 8th century.
There werre 26 Sports
There are 29 sports in the Summer Olympics (although only 26 sports will be at the 2012 Olympics). There are 15 sports in the Winter Olympics (all 15 were held at the 2010 Olympics).