History of Latvia forests were another export revenue source. On March 27, 1919 the Latvian rublis was introduced with an exchange rate of 1 Latvian rublis equal to 1 ostruble, 2 German marks and 1,5 czar rubles. On March 18, 1920 Latvian rublis was made the only legal currency. Due to high inflation, the new Latvian lats currency was introduced at a rate 1 lat to 50 rublis. In 1923 the Bank of Latvia was established and lats replaced rublis in 1925. Between 1923 and 1930 state budget was with a surplus. On average 25,5% went to defense, 11,2% to education and 23,4%
State continuity of the Baltic states the period 1940–1991 the US continued to receive Baltic diplomats, first appointed in office by the Baltic governments before 1940, after 1980 by the Baltic diplomatic services senior members. The Soviet Foreign Ministry issued formal protests against the Baltic diplomatic missions remaining open in Washington DC and elsewhere. In 1947 a joint communication on the occupation of Baltic states to the UN was sent by the Estonian, Latvian and Lithuanian diplomats abroad. The Baltic Appeal to the United Nations (now "Baltic Association to the United Nations") was formed in 1966. On March 26, 1949, the US State Department issued a