Political party in Russia Union of Social Democrats Союз социал-демократов Abbreviation USD (English) ССД (Russian) Leader Mikhail Gorbachev Founded 20 October 2007; 13 years ago (2007-10-20) Split from Social Democratic Party of Russia Headquarters Moscow, Russia Youth wing Russian Social-Democratic Union of Youth Ideology Social democracy Political position Centre-left International affiliation Socialist International Colours Red Light blue Website http://sdorg.ru/ Politics of Russia Political parties Elections