The Olympics, Asian Games and individual world championships were awarded to the winners of the competition, gold, silver and bronze medals. However, a long time ago, the winner of the sports competition received a prize, which was a circle woven with olive tree laurel branches, namely the "laurel crown". In 1465, at a recreation event held in Zurich, Switzerland, the winner of the triple jump project was awarded a gold medal. This may be the first time that the winner has not been given the “laurel crown”. The winner of the 1895 Olympic Games won this "laurel".
It was not until 1907 that the IOC officially issued a resolution on the gold, silver and bronze medals for the winners of the Olympic Games at the Executive Committee in The Hague, the Netherlands, which was implemented at the 4th London Olympics.
Since the 8th Paris Olympic Games in 1924, the IOC has further made the following additional decision: In addition to awarding medals, the winners will also issue certificates (certificates).
It was decided to make specific provisions on the design and production of gold, silver and bronze medals: the medals of the first, second and third prizes are not less than 60 mm in diameter and 3 mm in thickness. Among them, the first prize (gold medal) and the second prize (silver medal) medals are made of silver, the purity (including silver) is not less than 92.5%, and the surface of the first prize medal (gold medal) is plated with at least 6 grams of pure gold. These regulations have been in use since the 9th Amsterdam Olympics in 1928.
Nowadays,except international competition,there is tradition to awarding winner medals for all kinds of competitions.while these medals are not made by real gold,silver.it is made by cheap material such as iron,zinc alloy,brass but plating with gold,silver colors.
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