context: The Russian Empire () was an empire extending from the eastern part of Europe to the Bering Sea, which existed between 1721 and 1917. It began in the days of Peter the Great, when Russia expanded from the Baltic to the Pacific, and lasted until the February 1917 Revolution, when Emperor Nicholas II was displaced. [1] The Empire was preceded by Moscow Russia and followed by the Russian Republic.
question: When was the Russian Empire Established?
answers.text: 1721