1982 demonstrations in Poland cities. On December 13, 1981, the Communist government of Poland under general Wojciech Jaruzelski crushed the opposition, introducing martial law. The main oppositional movement, Solidarity, was delegalized, and its key members were interned. However, by April 1982, Solidarity re-emerged, creating its underground body, the Temporary Coordinating Committee (known as "TKK" from the Polish name "Tymczasowa Komisja Koordynacyjna"), with delegates who had eluded arrests – Zbigniew Bujak from Warsaw, Bogdan Lis from Gdańsk, Władysław Frasyniuk from Wrocław, and Władysław Hardek from Kraków. At the beginning, the Committee opposed street demonstrations, drawing the so-called "Five times yes" appeal, which stipulated negotiations with
Soviet reaction to the Polish crisis of 1980–1981 once again, on 13 December 1981, Jaruzelski finally proclaimed martial law. To justify the emergency measures, Jaruzelski was still playing on the public fear of Soviet invasion. However, there was no significant resistance to the martial law and any foreign military backing proved unnecessary. Ever since, Jaruzelski himself has denied that he invited Soviet troops, insisting that, on the contrary, the martial law was aimed at prevention of a Soviet military intervention. In November 1997, a conference was held in Jachranka on the Soviet role in the Polish crisis of 1980–1981, where Solidarity, Polish communist, Soviet and American participants of