Romanov Dynasty: The ruling family of Tsar Nicholas II. They held power in Russia for over three centuries until their downfall during the Russian Revolution.
Autocracy: A form of government where an individual has complete control and authority over a nation, like Tsar Nicholas II's rule over Russia.
February Revolution: A revolution that took place in 1917, resulting in the abdication of Tsar Nicholas II and the end of imperial rule in Russia.