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Solidarity, full name Independent Self-Governing Trade Union "Solidarity", is a Polish trade union founded in August 1980 at the Lenin Shipyard in Gdańsk, Poland. Subsequently, it was the first independent trade union in a Warsaw Pact country to be recognised by the state. The union's membership peaked at 10 million in September 1981, representing one-third of the country's working-age population. In 1983 Solidarity's leader Lech Wałęsa was awarded the Nobel Peace Prize, and the union is widely recognized as having played a central role in the end of communist rule in Poland. In the 1980s, Solidarity was a broad anti-authoritarian social movement, using methods of civil resistance to advance the causes of workers' rights and social change. The Government attempted in the early 1980s to destroy the union through the imposition of martial law in Poland and the use of political repressions. Operating underground, with substantial financial support from the Vatican and the United States, the union survived and by the later 1980s had entered into negotiations with the government. The 1989 round table talks between the government and the Solidarity-led opposition produced agreement for the 1989 legislative elections, the country's first pluralistic election since 1947. By the end of August a Solidarity-led coalition government was formed, and in December 1990 Wałęsa was elected President of Poland. Following Poland's transition to liberal capitalism in the 1990s and the extensive privatization of state assets, Solidarity's membership declined substantially. By 2010, 30 years after its founding, the union had lost more than 90% of its original membership.