National Independence Day (Poland) Marshal Józef Piłsudski assumed control of Poland. It was a day of military ceremony since 1920. The holiday was constituted in 1937 and was celebrated only twice before World War II. After the war, the communist authorities of the People's Republic removed Independence Day from the calendar, though reclamation of independence continued to be celebrated informally on 11 November. The holiday was officially replaced by the National Day of Poland's Revival as Poland's National Day, celebrated on 22 July anniversary of the communist PKWN Manifesto under Joseph Stalin. In particular, during the 1980s, in many cities, including Warsaw, informal marches
Independence Day (Belarus) of the Soviet Union. Independence was formally received December 26, 1991 in connection with the collapse of the Soviet Union. Since the early 1920s, various Belarusian political movements and the Belarusian diaspora have been celebrating Independence Day on March 25 as the anniversary of the 1918 declaration of independence by the Belarusian Democratic Republic. The date is still widely celebrated by members of the democratic opposition in Belarus and by the diaspora as Freedom Day. Some opposition politicians like Siarhei Navumchyk and Zianon Pazniak criticize July 3 as the Independence Day and suggest August 25 as the alternative. The main