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 Stampa:Weekday in month/calc, 2025. For the next year, the date will be on April Stampa:Weekday in month/calc, 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
|
June 21
|
[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 Stampa:Weekday in month/calc, 2025. For the next year, the date will be on April Stampa:Weekday in month/calc, 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]
|
Liberia
|
August 24
|
[44]
|
Lithuania
|
January 1
|
[45]
|
Mexico
|
February 24
|
Flag Day in Mexico[46]
|
Moldova
|
April 27
|
[47]
|
Mongolia
|
July 10
|
Mongolian State Flag Day[48]
|
The Netherlands
|
Aruba
|
March 18
|
National Anthem and Flag Day[49]
|
Bonaire
|
September 6
|
[50]
|
Curaçao
|
July 2
|
[51]
|
Sint Maarten
|
June 13
|
Commemorates the adoption of the flag on June 13, 1985[52]
|
New Zealand
|
Tokelau
|
October 22
|
[53]
|
North Macedonia
|
May 15
|
Unofficial[54]
|
Palestine
|
September 30
|
Commemorates the first time the flag was flown outside the Headquarters of the United Nations on September 30, 2015[55]
|
Panama
|
November 4
|
[56]
|
Paraguay
|
August 14
|
[57][58]
|
Peru
|
June 7
|
Commemorates the Battle of Arica[59]
|
Philippines
|
May 28
|
Commemorates its first usage after the Battle of Alapan.[60] Since 1994, the celebratory period is May 28 to June 12[61]
|
Poland
|
May 2
|
Polish National Flag Day[62]
|
Portugal
|
December 1
|
Flag Fest. In the same day of the celebration of the Restoration of the Independence of Portugal on the December, 1, 1640[63]
|
Romania
|
June 26
|
[64]
|
Russia
|
August 22
|
[65]
|
Russia
|
Donetsk People's Republic
|
October 25
|
[66]
|
Sakha Republic
|
October 14
|
Commemorates adoption of the flag on October 14, 1992[67]
|
Saudi Arabia
|
March 11
|
Saudi Flag Day[68]
|
Serbia
|
September 15
|
Day of Serb Unity, Freedom and the National Flag, celebrated with Republika Srpska[11]
|
Slovenia
|
April 7
|
[69]
|
Somalia
|
October 12
|
Commemorates the adoption of the flag on October 12, 1954[70]
|
Spain
|
Andalusia
|
December 4
|
[71]
|
Sweden
|
June 6
|
Also celebrated as the National Day of Sweden since 1983[72][73]
|
Tajikistan
|
November 24
|
Celebrated since 2009[74]
|
Thailand
|
September 28
|
Celebrated since 2017[75]
|
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[76]
|
Ukraine
|
August 23
|
Day of the National Flag[77]
|
Ukraine
|
Crimean Tatars
|
June 26
|
[78]
|
United Arab Emirates
|
November 3
|
Flag Day (United Arab Emirates)[79]
|
United States
|
June 14
|
Flag Day (United States)[80]
|
United States
|
Alaska
|
July 9
|
[81]
|
American Samoa
|
April 17
|
Commemorates the date American Samoa first flew the US flag[82]
|
Choctaw Nation
|
October 16
|
Celebrated since 2021[83]
|
Hawaii
|
July 31
|
Celebrated since 1990[84]
|
Iowa
|
March 29
|
[85]
|
Maryland
|
March 9
|
[86][87]
|
Oklahoma
|
November 16
|
Celebrated since 1968[88]
|
Tennessee
|
April 17
|
Commemorates the day of adoption on April 17, 1905[89]
|
Utah
|
March 9
|
[90]
|
U.S. Virgin Islands
|
May 17
|
Commemorates the adoption of the flag on May 17, 1921[91]
|
Uzbekistan
|
November 18
|
Commemorates the approval of the flag on November 18, 1991[92]
|
Venezuela
|
August 3
|
Commemorates the first hoisting of the flag on August 3, 1806[93]
|