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%
MS Jan Heweliusz captain, who died in the accident, also being blamed for allowing the ship to sail in such an unseaworthy state. In 2005, the European Court of Human Rights in Strasburg ruled that the official investigation of the sinking was not impartial and granted 4600 euros in damages each to eleven relatives of the victims. Today, the wreck of the ship is located at the depth of 27 metres and is frequently visited by divers. MS Jan Heweliusz MS "Jan Heweliusz" was a Polish ferry named after astronomer Johannes Hevelius () that served on the route Ystad-Świnoujście. It was built in