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 of Ukraine members of those killed during the Euromaidan uprising – known in Ukraine as the "Heavenly Hundred". According to the Ukrainian army the volume of artillery fire set off by the separatist forces of the war in Donbass during the 24-hour period of 24 August 2016 was the highest since the February 2015 Battle of Debaltseve. Several Ukrainian cities held marches of people dressed in "vyshyvanky" (shirts with traditional Ukrainian embroidery). Independence Day of Ukraine Independence Day of Ukraine () is the main state holiday in modern Ukraine, celebrated on 24 August in commemoration of the Declaration of Independence of 1991.