Solidarnost (Солидарность, Russian for "Solidarity", named after the Polish Solidarność) is a Russian liberal democratic political movement founded on 13 December 2008 by a number of well-known members of the liberal democratic opposition, including Garry Kasparov, Boris Nemtsov and others from the Yabloko and Union of Right Forces (which had just merged with two pro-Kremlin parties, the Democratic Party of Russia and Civilian Power, to form the pro-Kremlin liberal democratic Right Cause) parties, leaders of the Dissenters March events, the Committee 2008, the People's Democratic Union, the United Civil Front, The Other Russia and other politicians and political groups.