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
Wojciech Jaruzelski he was elected to be a member of the Central Committee of the Polish United Workers' Party. He benefited from the antisemitic campaign in the army in the 1960s, during which more than 1000 Jewish officers were demoted or expelled. Even the non-Jewish minister of defence, Marshal Marian Spychalski was persecuted. Jaruzelski obtained his post. In August 1968 General Jaruzelski as the defence minister ordered the 2nd Army under General Florian Siwicki (of the "LWP") to invade Czechoslovakia, resulting in military occupation of northern Czechoslovakia until 11 November 1968 when under his orders and agreements with the Soviet Union his