

Ruble - Wikipedia
The ruble or rouble (/ ˈ r uː b əl /; Russian: рубль, IPA: ) is or was a currency unit of a number of countries in Eastern Europe closely associated with the economy of Russia.Originally, the ruble was the currency unit of Imperial Russia and then the Soviet Union (as the Soviet ruble), and it is currently the currency unit of Russia (as the Russian ruble) and Belarus (as the ...