At the time of the introduction in 1945 the won was pegged to the Japanese yen at a rate of 1 won = 1 yen. In October of the same year, the anchor currency was changed to the US dollar at a rate of 15 won = 1 dollar. Toward the end of the Korean War the won was devaluated at 6,000 won = 1 dollar. Following that the hwan was introduced as the new currency at a rate of 1 hwan = 100 won.