The introduction of martial law

Following the declaration of martial law (13 December 1981) "Solidarity" was banned. He was arrested and interned approximately 5,000 activists (among them L. Walesa) at 50 "detention centers", suppressed strikes. Course of the liquidation was the deadliest strike in the Wujek coal mine where nine miners were killed and dozens were injured. Despite the terror, from the first days of martial law, trade unionists, who escaped arrest, secret organized structure of Solidarity. Directed the creation of illegal structures from the January 1982 National Committee for the Resistance, and from April 1982 Provisional Coordinating Commission, composed of Z. Bujak, W. Frasyniuk, S. Fox and W. Hardek.

22 October 1982 parliament passed a resolution to PRL unions formally outlawing of Solidarity, which met with sharp reaction from the International Labour Organisation, the French President F. Mitterrand and other politicians. In November 1982 freed from internment L. Walesa. By the end of 1984 returned to prison, most convicted for their union activities. In 1985 stepped up arrests and trials of opposition activists.