Olympic symbols IOC at the 2012 Winter Youth Olympics by the city of Innsbruck, Austria, and has since then been passed on to the next organizing city of the Winter Youth Olympics. The modern tradition of moving the Olympic flame via a relay system from Greece to the Olympic venue began with the Berlin Games in 1936. Months before the Games are held, the Olympic flame is lit on a torch, with the rays of the Sun concentrated by a parabolic reflector, at the site of the Ancient Olympics in Olympia, Greece. The torch is then taken out of Greece, most often
Ancient Olympic Games to Timaeus, whom Eratosthenes may have imitated. The Olympic Games were held at four-year intervals, and later, the ancient historians' method of counting the years even referred to these games, using the term "Olympiad" for the period between two games. Previously, the local dating systems of the Greek states were used (they continued to be used by everyone except the historians), which led to confusion when trying to determine dates. For example, Diodorus states that there was a solar eclipse in the third year of the 113th Olympiad, which must be the eclipse of 316 BC. This gives a date