Solidarity (Polish trade union) Solidarity (Polish trade union) Solidarity (, pronounced ; full name: Independent Self-governing Labour Union "Solidarity"—"Niezależny Samorządny Związek Zawodowy "Solidarność"" ) is a Polish labour union that was founded on 17 September 1980 at the Lenin Shipyard under the leadership of Lech Wałęsa. It was the first trade union in a Warsaw Pact country that was not controlled by a communist party. Its membership peaked at 10 million members at its September 1981 Congress, which constituted one third of the total working-age population of Poland. In the 1980s, Solidarity was a broad anti-bureaucratic social movement, using the methods of civil resistance
History of Solidarity fared extremely well, capturing 160 of 161 contested Sejm seats, and 92 of 100 Senate seats. After the second round, it had won virtually every seat—all 161 in the Sejm, and 99 in the Senate. These elections, in which anti-communist candidates won a striking victory, inaugurated a series of peaceful anti-communist revolutions in Central and Eastern Europe that eventually culminated in the fall of communism. The new Contract Sejm, named for the agreement that had been reached by the communist party and the Solidarity movement during the Polish Round Table Talks, would be dominated by Solidarity. As agreed beforehand, Wojciech