word | | National holiday |
| declared | Estonia | Independence Day, 24 February (1918); note - 24 February 1918 was the date Estonia declared its independence from Soviet Russia and established its statehood; 20 August 1991 was the date it declared its independence from the Soviet Union |
| declared | Israel | Independence Day, 14 May (1948); note - Israel declared independence on 14 May 1948, but the Jewish calendar is lunar and the holiday may occur in April or May |
| declared | Latvia | Independence Day, 18 November (1918); note - 18 November 1918 was the date Latvia declared independence from Soviet Russia and established its statehood; 4 May 1990 was the date it declared its independence from the Soviet Union |
| declared | Lithuania | Independence Day, 16 February (1918); note - 16 February 1918 was the date Lithuania declared its independence from Soviet Russia and established its statehood; 11 March 1990 was the date it declared its independence from the Soviet Union |
| declared | Ukraine | Independence Day, 24 August (1991); note - 22 January 1918, the day Ukraine first declared its independence (from Soviet Russia) and the day the short-lived Western and Greater (Eastern) Ukrainian republics united ... |
| defeat | Ethiopia | National Day (defeat of MENGISTU regime), 28 May (1991) |
| Democracy-Day | Nepal | Republic Day, 29 May; Democracy Day, 24 April |
| Democratic | Azerbaijan | Founding of the Democratic Republic of Azerbaijan, 28 May (1918) |
| Democratic | Korea, North | Founding of the Democratic People's Republic of Korea (DPRK), 9 September (1948) |
| Denmark | Virgin Islands | Transfer Day (from Denmark to the US), 31 March (1917) |
| designated | Denmark | none designated; Constitution Day, 5 June (1849) is generally viewed as the National Day |
| Dia | Portugal | Portugal Day (Dia de Portugal), 10 June (1580); note - also called Camoes Day, the day that revered national poet Luis de Camoes (1524-80) died |
| died | Portugal | Portugal Day (Dia de Portugal), 10 June (1580); note - also called Camoes Day, the day that revered national poet Luis de Camoes (1524-80) died |
| Discovery-Day | Guam | Discovery Day, first Monday in March (1521) |