Estonian kroon 1500 rubles to 150 krooni.) Initially, the Estonian kroon was pegged to the Deutsche Mark at a rate of 8 krooni = 1 Deutsche Mark. After the introduction of the euro the fixed exchange rate of 1.95583 DEM to EUR led to an exchange rate of 15.64664 krooni to the euro. On 28 June 2004, as Estonia joined the ERM II-system, the central parity of the Estonian kroon was revalued (by less than 0.001%) to 15.6466 krooni per euro. On 1 January 2011 the euro replaced the kroon as the official currency of Estonia. The kroon circulated alongside the euro
Economic and Monetary Union of the European Union various previous proposals, an expert group chaired by Luxembourg's Prime Minister and Finance Minister, Pierre Werner, presented in October 1970 the first commonly agreed blueprint to create an economic and monetary union in three stages (Werner plan). The project experienced serious setbacks from the crises arising from the non-convertibility of the US dollar into gold in August 1971 (i.e., the collapse of the Bretton Woods System) and from rising oil prices in 1972. An attempt to limit the fluctations of European currencies, using a "snake in the tunnel", failed. The debate on EMU was fully re-launched at the Hannover Summit