Czesław Kiszczak quasi-government administering Poland during the martial law (1981–83). In 1982 he became a deputy member of the Politburo of the Polish United Workers' Party and a full member in 1986. From December 1981 until June 1989 Kiszczak was the second most important person in Poland, after General Wojciech Jaruzelski, the nation's top leader. Together they orchestrated the crackdown aimed at crushing the "Solidarity", the Eastern Bloc’s first non-communist labor union movement. Martial law included the mass roundup and internment of "Solidarity" activists, curfews and other harsh measures. Generals Kiszczak and Jaruzelski later insisted that they were imposing martial law to
Wojciech Jaruzelski August 1968 invasion had been a great "political and moral mistake". On 28 March 2006, Jaruzelski was awarded a Siberian Exiles Cross by Polish President Lech Kaczyński. However, after making this fact public Kaczyński claimed that this was a mistake and blamed the bureaucracy for giving him a document containing 1293 names without notifying him of Jaruzelski's presence within it. After this statement, Jaruzelski returned the cross. On 31 March 2006, the Institute of National Remembrance (IPN) charged him with committing Communist crimes, mainly the creation of a criminal military organization with the aim of carrying out criminal acts —