Kingdom of Hungary Máté Csák III. The kingdom of Hungary reached an age of prosperity and stability under Charles I. The gold mines of the Kingdom were extensively worked and soon Hungary reached a prominent standing in European gold production. The forint was introduced as a currency, replacing the "denars", and soon after Charles's reforms were implemented, the economy of the Kingdom started to prosper again, having fallen into a parlous state following the Mongol invasion. Charles exalted the cult to Saint Ladislaus I, using him as a symbol of bravery, justice and purity. He also venerated his uncle, Saint Louis of Toulouse.
History of Chinese currency base unit of currency remained the copper coin. Copper coins were used as the chief denomination of currency in China until the introduction of the yuan in the late 19th century. Currently, the "renminbi" is the official currency of the People's Republic of China (PRC). It is the legal tender in mainland China, but not in Hong Kong or Macau. The special administrative regions of Hong Kong and Macau use the Hong Kong dollar and the Macanese pataca, respectively. The use of shell money is attested to in the Chinese writing system. The traditional characters for 'goods' (), 'buy/sell' (),