Greek drachma became Greece's sole currency. Between 1917 and 1920, the Greek government issued paper money in denominations of 10 lepta, 50 lepta, 1 drachma, 2 drachmae, and 5 drachmae. The National Bank of Greece introduced 1000-drachma notes in 1901, and the Bank of Greece introduced 5000-drachma notes in 1928. The Greek government again issued notes between 1940 and 1944, in denominations ranging from 50 lepta to 20 drachmae. In 1922, the Greek government issued a forced loan in order to finance the budget deficit. On April 1, 1922, the government decreed that half of all bank notes had to be surrendered
Bulgaria and the euro government, notably economy minister Petar Dimitrov, have speculated about unilaterally introducing the euro, which was not well-met by the European Commission. The lev is not part of ERM-II, but since the launch of the euro in 1999, it has been pegged to the euro at a fixed rate of €1 = BGN 1.95583 through a strictly managed currency board. In all of the three latest annual assessment reports, Bulgaria managed to comply with four out of the five economic convergence criteria for euro adoption, only failing to comply with the criteria requiring the currency of the state to have been