16/12/2014 Putin's Russia goes through its worst economic turbulence
Double barrel: Ruble plunges to 5-year low
Russian Borrowers Hit by Ruble Collapse: Central bank interventions fail to stem ruble fall
The Russian Crisis Explained in Two Minutes
1998 and 2014 ‘Russian CRISIS in PERPECTIVE’
Russia's economic crisis, explained
The Central Bank of Russia increased its key interest rate from 10.5% to 17% as it tried to slow or stop the decline of the ruble. But even after this intervention, the ruble declined further. At one point, it took 79 rubles to purchase one U.S. dollar, while in January it took only 33.