Olympic Games profits from the Olympic symbols. The IOC also takes a percentage of all sponsorship and broadcast income. Host cities continue to compete ardently for the right to host the Games, even though there is no certainty that they will earn back their investments. Research has shown that trade is around 30 percent higher for countries that have hosted the Olympics. The Olympic Movement uses symbols to represent the ideals embodied in the Olympic Charter. The Olympic symbol, better known as the Olympic rings, consists of five intertwined rings and represents the unity of the five inhabited continents (Africa, America, Asia,
Olympic Games in 1896 was almost identical to that of the Liverpool Olympics. In 1865 Hulley, Brookes and E.G. Ravenstein founded the National Olympian Association in Liverpool, a forerunner of the British Olympic Association. Its articles of foundation provided the framework for the International Olympic Charter. In 1866, a national Olympic Games in Great Britain was organised at London's Crystal Palace. Greek interest in reviving the Olympic Games began with the Greek War of Independence from the Ottoman Empire in 1821. It was first proposed by poet and newspaper editor Panagiotis Soutsos in his poem "Dialogue of the Dead", published in 1833.