After World War II, Germany still used old currencies-Imperial Mark, Liedanmark and Occupation Mark. Due to the increasingly serious domestic inflation, on June 1948 and 19, the military occupation authorities of the United States, Britain and France announced the currency reform in their occupied areas, stipulating that a new currency "Deutsche Mark" would be issued from June 20. The exchange rate of the new mark against the US dollar is 1, which is equal to 3.333 marks. In September 1949, 19, due to the depreciation of the pound, the mark also depreciated by 20.6%, and the exchange rate became 1 USD, which was equal to 4.20 marks. 1 95365438+1October 30th, the German Federal Bank stipulated for the first time that the gold content in the mark was 0.2 1 1588g, and the official exchange rate was1USD, which was equal to 4.20 marks. After the war, the economy of the Federal Republic of Germany grew rapidly and its foreign trade expanded rapidly. With the growth of trade surplus, the balance of payments surplus continues to expand, and foreign exchange reserves are increasing day by day. 1 959 65438+1October1day, Deutsche Bank decided to implement the free exchange of marks. On March 4th, 196 1, the Rimark appreciated by 4.76%, and the gold content increased to 0.222 168g. The official exchange rate against the US dollar is 1, which is equal to 4.00 marks. 1 On September 29th, 969, Deutsche Bank no longer intervened in the market, maintaining the official exchange rate of 4 marks1USD, and the mark exchange rate floated freely. In the same year 1 October 26th 10, the mark appreciated by 9.3%, and the gold content also increased to 0.242806g The official exchange rate was1USD, which was equal to 3.66 marks. 1971may 10, the mark exchange rate floated freely again. On February 20th of the same year 10, the mark rose to 1, which was equal to $3.2225. Deutsche Bank no longer announces the gold content of the mark. 1On April 24th, 972, the Federal Republic of Germany announced the implementation of the regulation that the fluctuation range of the currency exchange rate of European member states should not exceed 2.25%. After the depreciation of 1 973 in February 14, the exchange rate of the mark against the US dollar center was set at1,which was equal to 2.9003 mark. From March 19 of the same year, eight western European countries, including the Federal Republic of Germany, formed a joint floating group, and the fluctuation range of its currency exchange rate was set at 2.25%, and the mark appreciated by 3%. 1979, 13 In March, the European monetary system was formally established. With the Federal Republic of Germany as a member country, the exchange rate fluctuation between the mark and other member countries was limited to 2.25%, making the mark the main currency in the European monetary system. Since the 1970s, due to the rapid economic growth of the Federal Republic of Germany, the international status of the mark has been rising day by day, becoming one of the major international reserve currencies and one of the five fixed-value currencies of the SDR.