On 4 June 1989, the trade union Solidarity won an overwhelming victory in a partially free election in Poland, leading to the peaceful fall of communism in that country.
When did Poland get rid of communism?
The PZPR was disbanded on 30 January 1990, but Wałęsa could be elected as president only eleven months later. The Warsaw Pact was dissolved on 1 July 1991 and the Soviet Union ceased to exist in December 1991.
When did Poland gain independence from USSR?
In November 1918, after 123 years of absence on European political maps, Poland regained its independence.