14. What do you think are the most important events in the history of Russia?

Important events include the foundation of Kievan Rus in the ninth century, the adoption of Christianity in 988, the formation of the Russian state around Moscow, the reign of Peter the Great, the abolition of serfdom in 1861, the revolutions of 1917, the Second World War, the first human spaceflight in 1961 and the dissolution of the Soviet Union in 1991.