Reserve currency economy, the German Deutsche Mark gained the status of the second most important reserve currency after the US dollar. When the euro was introduced on 1 January 1999, replacing the Mark, French franc and ten other European currencies, it inherited the status of a major reserve currency from the Mark. Since then, its contribution to official reserves has risen continually as banks seek to diversify their reserves, and trade in the eurozone continues to expand. Former U.S. Federal Reserve Chairman Alan Greenspan said in September 2007 that the euro could replace the U.S. dollar as the world's primary reserve currency.
Croatia and the euro Croatia and the euro Croatia's currency, the kuna, has used the euro (and prior to that one of the euro's major predecessors, the German mark or Deutschmark) as its main reference since its creation in 1994, and a long-held policy of the Croatian National Bank has been to keep the kuna's exchange rate with the euro within a relatively stable range. Croatia's EU membership obliges it to eventually join the eurozone, as such the country plans to join the European Monetary System, the pathway to euro adoption. Prior to Croatian entry to the EU on 1 July 2013, Boris Vujčić,