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
Boris I of Bulgaria with what is now known as Old Church Slavonic, which in Bulgaria is called and known as Old Bulgarian, as an official language of the Church and the state. He is regarded as a saint in the Orthodox Church, as the Prince and baptizer of Bulgaria, and as Equal-to-the-Apostles, with his feast day observed on May 2. The name Boris is of Bulgar Turkic origin. After his official act of conversion to Christianity, Boris adopted the Christian name Michael. He is sometimes called Boris-Michael in historical research. The only direct evidence of Boris's title are his seals and the inscription