House of Romanov (1881–1894), and Nicholas II (1894–1917). Constantine Pavlovich and Michael Alexandrovich, both morganatically married, are occasionally counted among Russia's emperors by historians who observe that the Russian monarchy did not legally permit interregnums. But neither was crowned and both actively declined the throne. The February Revolution of 1917 resulted in the abdication of Nicholas II in favor of his brother Grand Duke Michael Alexandrovich. The latter declined to accept imperial authority save to delegate it to the Provisional Government pending a future democratic referendum, effectively terminating the Romanov dynasty's rule over Russia. After the February Revolution, Nicholas II and his family
United States and the Russian Revolution United States and the Russian Revolution American involvement in the Russian Revolution was the key event that pitted the United States and the Soviet Union against each other for the next seventy years. It was the foundation for a face off between the two nations that would emerge as the world's superpowers. The United States responded to the revolution by participating in the Allied intervention in the Russian Civil War with the Allies of World War I in support of the White movement. The United States withheld diplomatic recognition of the Soviet Union until 1933. As President Woodrow Wilson was