slowly disintegrated Union of October 17 1905: Conservative liberals formed the Union of October 17 (Soyuz Semnadtsatovo Oktyabrya) and became known as Octobrists. 1906: A left wing faction formed the ⇒ Party for Peaceful Renewal, the party develops to be the party of the landlords. March 1917: Dissolved after the February Revolution. Moderate Progressive Party 1905: National liberals established the Moderate Progressive Party (Umereno-Progresivnaya Partiya). 1907: Merged into the ⇒ Party for Peaceful Renewal. Party of Democratic Reform 1906: A moderate faction of the ⇒ Constitutional Democratic Party formed the Party of Democratic Reform (Partiya Demokraticheskikh Reform). 1912: Merged into the ⇒ Progressive Party. From Party of Peaceful Renovation to Progressist Party 1906: A left-wing faction of the Octobrists, together with dissidents of the Constitutional Democratic Party and of the Moderate Progressive Party, established the Party of Peaceful Renovation (Partiya Mirnovo Obnovleniya). 1912: Merged with the ⇒ Party of Democratic Reform into the Progressist Party (Progresivnaya Partiya), led by Georgy Lvov. 1917: Most of the party merged into the ⇒ Constitutional Democratic Party, some continued as the Radical Democratic Party (Radikal'no-Demokraticheskaya Partiya). List of various liberal leaders : Pavel Milyukov, Georgy Lvov, Boris Chicherin : Andrei Sakharov See also History of Russia Politics of Russia Political parties in Russia References Russia Political movements in Russia