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
Movement for Solidarity and Development to Oba, the purpose of the congress was to highlight the party's survival. He stressed the party's continued support for President Denis Sassou Nguesso and said that the MSD would support the candidate of the presidential majority in the 2016 presidential election. Oba was also re-elected as President of the MSD. Movement for Solidarity and Development The Movement for Solidarity and Development (, MSD) is a political party in the Republic of the Congo. The MSD is led by Serge Blanchard Oba, who was Administrator-General of the Congo Telecommunications Company (SOTELCO) from 2003 to 2008. In the parliamentary election held