The document summarizes major events and leaders in Russian history from 1917 to present day. It discusses Lenin establishing the Bolshevik revolution and USSR in 1917. It then discusses Khrushchev as the only Soviet leader peacefully removed from office and his policies of de-Stalinization and economic expansion. Gorbachev is mentioned for his policies of perestroika, glasnost, democritization, and impact on foreign policy that ultimately led to the dissolution of the USSR. Putin is summarized as consolidating control after the crisis under Yeltsin and restoring the Russian economy and international relationships.