State |
Subdivision |
Date |
Notes |
Abkhazia | July 23 | Republic Flag Day[1] |
Afghanistan, Islamic Republic of | Asad 7 | National Flag’s Day.[2][3] Asad corresponds to July – August. |
Albania | November 28 | Independence Day[4] |
Argentina | June 20 | National Flag Day. Anniversary of the death of Manuel Belgrano, who created the current flag[5] |
Armenia | June 15 | Commemorates the day the law on the flag was passed, on June 15, 2006[6] |
Australia | September 3 | Commemorates the day the flag was first flown, on September 3, 1901[7] |
Azerbaijan | November 9 | State Flag Day[8] |
Belarus | Second Sunday of May | Day of the National Emblem and the National Flag[9] (May 11, 2025. For the next year, the date will be on April 10, 2026) |
Bolivia | August 17 | Commemorates the creation of the Bolivian flag by law on August 17, 1825[10] |
Bosnia and Herzegovina | Republika Srpska | September 15 | Day of Serb Unity, Freedom and the National Flag, celebrated with Serbia[11] |
Brazil | November 19 | [12] |
Canada | February 15 | National Flag of Canada Day[13] |
Canada | Ontario | May 21 | [14] |
Quebec | January 21 | [15] |
Saskatchewan | September 22 | [16][17] |
Franco-Ontarian | September 25 | Commemorates the first flag-raising at the University of Sudbury on September 25, 1975[18] |
Chile | July 9 | Commemorates the Battle of La Concepción in 1882[19] |
Chile | Magallanes | September 21 | Commemorates the beginning of the Chilean takeover of the Strait of Magellan and Western Patagonia[20] |
Colombia | August 7 | Commemorates the Battle of Boyacá on August 7, 1819 and the creation of the Colombian flag on August 7, 1834[21] |
Denmark | September 5 | Commemorates Danish veterans[22] |
Denmark | Faroe Islands | April 25 | Commemorates the recognition of the flag by the British government on April 25, 1940[23] |
Greenland | January 26, 2025 | Unofficial flag day celebrated in 2025. No official flag day.[24] |
Ecuador | September 26 | Commemorates the adoption of the Ecuadorian flag on September 26, 1860[25] |
Estonia | June 4 | [26] |
Ethiopia | First Monday of Tikimt | Ethiopian month of Tikmit corresponds to October 11 – November 9[27][28] |
Finland | Midsummer's Day | [29] |
Finland | Åland | Last Sunday of April | April 27, 2025. For the next year, the date will be on April 26, 2026[30] |
Georgia | January 14 | Georgian State Flag Day[31] |
Greece | October 27 | Day before Ohi Day[32] |
Haiti | May 18 | Haitian Flag Day[33] |
Honduras | September 1 | June 14 before 1995[34] |
Hungary | March 16 | Commemorates the establishment of the Hungarian Home Guard on 16 March 1848[35][36] |
India | July 22 | National Flag Adoption Day[37] |
December 7 | Armed Forces Flag Day[38] |
India | Jammu and Kashmir (state) | June 7 | State Flag Day[39] |
Italy | January 7 | Tricolour Day[40] |
Iraq | Kurdistan | December 17 | [41] |
Jordan | April 16 | Commemorates the first flag-raising on April 16, 1928[42] |
Kyrgyzstan | March 3 | National Flag Day of the Kyrgyz Republic[43] |
Lebanon | November 21 | Commemorates the first flag-raising on November 21, 1943[44] |
Liberia | August 24 | [45] |
Lithuania | January 1 | [46] |
Mexico | February 24 | Flag Day in Mexico[47] |
Mexico | Guanajuato | December 20 | Commemorates day of state admission. Celebrated since 2023[48] |
Moldova | April 27 | [49] |
Mongolia | July 10 | Mongolian State Flag Day[50] |
Nepal | Poush 1 | Commemorates adoption on December 16, 1962 (Poush 1, 2019 in the Nepali calendar). Celebrated since 2017[51] |
The Netherlands | Aruba | March 18 | National Anthem and Flag Day[52] |
Bonaire | September 6 | [53] |
Curaçao | July 2 | [54] |
Sint Maarten | June 13 | Commemorates the adoption of the flag on June 13, 1985[55] |
New Zealand | Tokelau | October 22 | [56] |
North Macedonia | May 15 | Unofficial[57] |
Palestine | September 30 | Commemorates the first time the flag was flown outside the Headquarters of the United Nations on September 30, 2015[58] |
Panama | November 4 | [59] |
Paraguay | August 14 | [60][61] |
Peru | June 7 | Commemorates the Battle of Arica[62] |
Philippines | May 28 | Commemorates its first usage after the Battle of Alapan.[63] Since 1994, the celebratory period is May 28 to June 12[64] |
Poland | May 2 | Polish National Flag Day[65] |
Portugal | December 1 | Flag Day. In the same day of the celebration of the Restoration of Independence of Portugal on the December, 1, 1640[66] |
Romania | June 26 | [67] |
Russia | August 22 | [68] |
Russia | Donetsk People's Republic | October 25 | [69] |
Bashkortostan | February 25 | Commemorates adoption of the flag on February 25, 1992[70] |
Pskov Oblast | February 20 | Commemorates inclusion into the State Heraldic Register of the Russian Federation on February 20, 2019. Established 2023.[71] |
Sakha Republic | October 14 | Commemorates adoption of the flag on October 14, 1992[72] |
Ulyanovsk Oblast | December 22 | [73] |
Saudi Arabia | March 11 |
Saudi Flag Day[74] |
Serbia | September 15 | Day of Serb Unity, Freedom and the National Flag, celebrated with Republika Srpska[11] |
Slovenia | April 7 | [75] |
Somalia | October 12 | Commemorates the adoption of the flag on October 12, 1954[76] |
Spain | Andalusia | December 4 | [77] |
Sweden | June 6 | Also celebrated as the National Day of Sweden since 1983[78][79] |
Tajikistan | November 24 | Celebrated since 2009[80] |
Thailand | September 28 | Celebrated since 2017[81] |
Turkmenistan | May 18 | State Flag and Constitution Day. Flag Day was originally separate from Constitution Day and celebrated on February 19, until the two holidays were combined in 2017[82] |
Ukraine | August 23 | Day of the National Flag[83] |
Ukraine | Crimean Tatars | June 26 | [84] |
United Arab Emirates | November 3 | Flag Day (United Arab Emirates)[85] |
United States | June 14 | Flag Day (United States)[86] |
United States | Alaska | July 9 | [87] |
American Samoa | April 17 | Commemorates the date American Samoa first flew the US flag[88] |
Choctaw Nation | October 16 | Celebrated since 2021[89] |
Hawaii | July 31 | Celebrated since 1990[90] |
Iowa | March 29 | [91] |
Maryland | March 9 | [92][93] |
Oklahoma | November 16 | Celebrated since 1968[94] |
Tennessee | April 17 | Commemorates the day of adoption on April 17, 1905[95] |
Utah | March 9 | [96] |
U.S. Virgin Islands | May 17 | Commemorates the adoption of the flag on May 17, 1921[97] |
Uzbekistan | November 18 | Commemorates the approval of the flag on November 18, 1991[98] |
Venezuela | August 3 | Commemorates the first hoisting of the flag on August 3, 1806[99] |