Polish Armed Forces government to resettle ethnicities immediately after the war (Operation Vistula), and to violently suppress opposition several times, during the Poznań 1956 protests, the Polish 1970 protests, and during Martial law in Poland in 1981–1982. The LWP also took part in the suppressing of the 1968 democratization process of Czechoslovakia, commonly known as the Prague Spring. That same year Marshal of Poland Marian Spychalski was asked to replace Edward Ochab as chairman of the Council of State, and General Wojciech Jaruzelski, at that time the Chief of the General Staff, was named to replace him. Michta argues that Jaruzelski, as a
Martial law in Poland Ocalenia Narodowego", WRON) usurped for itself powers reserved for wartime, hence the name. The plan was presented to the government of the Soviet Union before the declaration in March 1981. Appearing on Polish television at 6:00 AM on December 13, 1981, General Jaruzelski said: Today I address myself to you as a soldier and as the head of the Polish government. I address you concerning extraordinarily important questions. Our homeland is at the edge of an abyss. The achievements of many generations and the Polish home that has been built up from the dust are about to turn into ruins.