Latvian lats standard from its introduction till 1940. On 17 June 1940, Latvia was occupied by the USSR. After the dismantling of the Bank of Latvia and its replacement with the Latvia Republican Office of the Gosbank on 10 October, the Soviet ruble was introduced alongside the lats on 25 November 1940 at par, although the real monetary value of the rouble was about three times lower and thus both wages and prices were gradually raised to devalue the lats from June to November 1940. To lessen the effect of the exodus of goods sent by Soviet occupational personnel to the USSR,
Currency intervention manipulations. As the financial crisis of 2007–08 hit Switzerland, the Swiss franc appreciated "owing to a flight to safety and to the repayment of Swiss franc liabilities funding carry trades in high yielding currencies." On March 12, 2009, the Swiss National Bank (SNB) announced that it intended to buy foreign exchange to prevent the Swiss franc from further appreciation. Affected by the SNB purchase of euros and US dollars, the Swiss franc weakened from 1.48 against the euro to 1.52 in a single day. At the end of 2009, the currency risk seemed to be solved; the SNB changed its