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
Martyrs' Day (Panama) Martyrs' Day (Panama) Martyrs' Day () is a Panamanian day of national mourning which commemorates the January 9, 1964 anti-American riots over sovereignty of the Panama Canal Zone. The riot started after a Panamanian flag was torn and Panamanian students were killed during a conflict with Canal Zone Police officers and Canal Zone residents. It is also known as the Flag Incident or Flag Protests. U.S. Army units became involved in suppressing the violence after Canal Zone police were overwhelmed, and after three days of fighting, about 22 Panamanians and four U.S. soldiers were killed. The incident is considered to