Bulgaria and the euro Bulgaria and the euro Bulgaria committed to switching its currency, the lev, to the euro upon its joining the European Union in 2007, as stated in its EU accession treaty. The transition will occur once the country meets all the euro convergence criteria; it currently meets three of the five criteria, the exception being its membership for at least two years of the EU's official exchange rate mechanism (ERM II), which it has not yet joined despite the Bulgarian lev having been pegged to the euro since its introduction in 1999. In 2011 Bulgaria's Minister of Finance Simeon Djankov stated
History of Bulgaria is nowadays Bulgaria, provided many soldiers for the multi ethnic Achaemenid army. Several Thracian treasures dating from the Persian rule in Bulgaria have been found. Most of what is today Bulgaria remained firmly under the Persian sway until 479 BC. The Persian garrison at Doriscus in Thrace held out for many years even after the Persian defeat, and reportedly never surrendered. It remained as the last Persian stronghold in Europe. In 298 BC, Celtic tribes reached what is today Bulgaria and clashed with the forces of Macedonian king Cassander in Mount Haemos (Stara Planina). The Macedonians won the battle, but