The Social Democratic Party of Russia (Russian: Социал-демократическая партия России Sotsial-demokraticheskaya partiya Rossii) was a political party founded in Russia by Mikhail Gorbachev on November 26 2001. First name of party is: Social Democratic Party of Russia (United). It was a coalition of several social democratic parties had approximately 12000 members but had no seats in the Russian State Duma.