Civic, Remembrance & History observances

Jose Abad Santos Day

7 May every year · Province of Pampanga and City of Angeles, Philippines — special nonworking holiday

Republic Act No. 8815 amending Republic Act No. 7552

Joseph Jenkins Roberts Memorial Birth Anniversary

15 March annually; observed Monday 16 March in 2026 · Liberia / national public holiday

Liberia’s 2026 presidential proclamation declares 15 March the memorial birth anniversary of first president Joseph Jenkins Roberts and states that the 2026 public-holiday observance moves…

José de Diego Commemoration Day

16 April · Puerto Rico / statutory commemorative day honoring José de Diego; not a public holiday

Puerto Rico law preserves April 16 as a commemorative day for José de Diego while distinguishing it from the consolidated Próceres public holiday.

José Martí birth anniversary

28 January annually · Cuba / national-hero commemorative context

Granma identifies January 28 as the birth anniversary of Cuba’s National Hero José Martí and documents recurring commemorations around that date.

Juliette Gordon Low’s Birthday / Founder’s Day

31 October · Girl Scouts of the USA / organizational tradition

Girl Scouts materials identify 31 October, Juliette Gordon Low’s 1860 birthday, as Founder’s Day.

Juneteenth National Independence Day

19 June; Friday 19 June in the 2026 U.S. federal holiday schedule · United States federal holiday

The U.S. Office of Personnel Management lists Juneteenth National Independence Day on 19 June in the federal holiday schedule.

Jura de la Constitución

18 July annually · Uruguay / national holiday context

Uruguay government sources identify 18 July with the Jura de la Constitución, while the Ministry of Labour includes 18 July in the national holiday calendar.

K-9 Veterans Day

13 March annually · United States / working and service-dog recognition

The Transportation Security Administration states that K-9 Veterans Day is recognized each year on March 13; U.S. War Dogs provides additional campaign/history context.

Kannada Rajyotsava Day / Karnataka Rajyotsava

1 November · Karnataka state commemoration and holiday

Government of Karnataka, Department of Technical Education

Kashmir Solidarity Day

5 February annually; listed for 5 February 2026 by Pakistan’s Cabinet Division · Pakistan national public-holiday and solidarity commemoration context

Pakistan’s Press Information Department describes 5 February as Kashmir Solidarity Day, observed every year, and the Cabinet Division lists Kashmir Solidarity Day on 5 February in the 2026…

Kentucky Statehood Day

1 June; statehood anniversary · Kentucky, United States / statehood anniversary

The Kentucky Historical Society identifies 1 June as Statehood Day in its statehood-anniversary programming.

King Chulalongkorn Memorial Day (Piyamararaj Day)

23 October · Thai royal memorial day; 23 October 2026 in the official calendar

Thailand Ministry of Foreign Affairs

King Kamehameha Day

11 June · Hawaiʻi state holiday and official commemoration

State Foundation on Culture and the Arts, State of Hawaiʻi

King Letsie III’s Birthday

17 July in the 2026 official holiday calendar · Lesotho / national public holiday

The Embassy of Lesotho’s official 2026 public-holiday calendar lists 17 July as King Letsie III’s Birthday.

King’s Day (Koningsdag)

27 April; the official holiday calendar should be checked for any year-specific adjustment · Netherlands national public holiday

Government of the Netherlands

Knights of Columbus founding anniversary

29 March · Knights of Columbus / organizational founding anniversary

The Knights of Columbus states that Blessed Michael McGivney founded the organization on March 29, 1882; its charter was approved that date.

Korean American Day

13 January · United States

Current congressional materials support January 13 as Korean American Day and connect it with the first Korean immigrants’ arrival in 1903 and Korean American contributions

Kosrae State Constitution Day

11 January; observed-date adjustments may be directed when necessary · Kosrae State, Federated States of Micronesia / state government holiday

Kosrae law lists Kosrae State Constitution Day on 11 January and provides a mechanism for written holiday-date adjustments.

Language Movement Day / Shaheed Dibas (Martyrs’ Day)

21 February · Bangladesh national remembrance and cultural observance

Bangladesh Tourism Board / Government of Bangladesh

Law Day, U.S.A.

1 May · United States patriotic and national observance

United States Code, title 36 §113

League of Nations founding/entry-into-force anniversary

10 January 1920 is the Covenant’s entry-into-force and original-member date context; League activities terminated 18 April 1946 · Historical international-organization anniversary

United Nations treaty archives document League membership dates beginning 10 January 1920 and the termination of League activities on 18 April 1946.

Leif Erikson Day

9 October · United States / federal patriotic observance

36 U.S.C. §114 provides that the President may issue each year a proclamation designating October 9 as Leif Erikson Day.

Liberation Day

14 June annually; 2026 public-holiday observance on 15 June · Falkland Islands / public holiday and remembrance observance

Falkland Islands government archive material states Liberation Day has been celebrated annually on 14 June since 1983; the 2026 government holiday table observes it on Monday 15 June.

Liberation Day

21 July annually; 82nd Guam Liberation observance in 2026 · Guam / territorial public holiday and WWII liberation remembrance

Government of Guam materials list Liberation Day among government holidays; official Guam sources identify 21 July as Liberation Day, and 2026 territorial programming marked the 82nd Guam L…

Liberation Day

9 May annually; 2026 public-holiday schedule verified · Guernsey / public holiday and liberation remembrance

The States of Guernsey public-holiday calendar lists Liberation Day on 9 May 2026, and official Liberation Day planning material uses 9 May for island commemorations.

Liberation Day

26 February annually; 35th anniversary in 2026 · Kuwait / national liberation observance and official holiday

Kuwait Government Online states that Liberation Day is 26 February and announced 25–26 February as official holidays for National and Liberation Days in 2026.

Liberation Day

15 February · Afghanistan / diplomatic-government holiday calendar

Afghanistan’s Consulate General in Mumbai lists Liberation Day on February 15 in its official holiday schedule.

Liberation Day

23 October; 23 October 2025 confirmed as an official holiday · Libya / national government holiday framework

The Libyan News Agency reported the Government of National Unity’s decision making 23 October 2025 an official holiday for Liberation Day under the public-holidays law.

Liberation Day (Bevrijdingsdag)

5 May annually · Netherlands / public holiday

The Government of the Netherlands lists Liberation Day on 5 May among Dutch public holidays, including 5 May in the official 2026 and 2027 holiday schedules.

Liberation Revolution Day / Revolution Day (Algeria)

1 November annually · Algeria national public holiday and historical commemoration

Algeria’s Permanent Mission to the United Nations lists 1 November as Liberation Revolution Day among public holidays, and Algerian diplomatic missions document official Revolution Day comm…

Libraries Remember

11 September (documented 2003–2004 program context) · United States / American Library Association legacy September 11 remembrance program

ALA documents Libraries Remember as a nationwide library remembrance initiative around 11 September 2003 and records a second event in 2004. The cited evidence does not establish uninterrup…

Libya Independence Day

24 December annually; 2025 national commemoration confirmed · Libya / national independence commemoration

The Libyan News Agency reports that Libyans commemorate independence on 24 December and states that the anniversary falls on 24 December each year.

Long Tan Day (historical name; now Vietnam Veterans’ Day)

18 August · Australian remembrance observance; “Long Tan Day” is the historical name now officially observed as Vietnam Veterans’ Day

Australian Government Department of Veterans’ Affairs

Loyalty Day

1 May · United States patriotic and national observance

United States Code, title 36 §115

Lyndon Baines Johnson Day

27 August annually · Texas, United States / state holiday

Texas Government Code §662.003 lists 27 August, Lyndon Baines Johnson Day, among state holidays.

Mabo Day

3 June · Australia; Aboriginal and Torres Strait Islander history and rights commemoration

The Australian Government multicultural calendar identifies 3 June as Mabo Day and links it to Eddie Koiki Mabo and the Mabo decision.

Macao S.A.R. Establishment Day

20 December · Macao Special Administrative Region obligatory holiday

Macao SAR Government

Magna Carta anniversary

15 June · United Kingdom / historical anniversary of Magna Carta at Runnymede in 1215

The British Library catalogue dates Magna Carta at Runnymede to 15 June 1215, supporting June 15 as the historical anniversary date.

Maharaja Agrasen Jayanti

11 October in 2026; date varies by lunisolar calendar · Haryana and other observing Indian states / regional religious-cultural observance

Government and regional calendars show Maharaja Agrasen Jayanti moving across Gregorian dates by year; Haryana material places the 2026 observance on October 11, while official 2025 materia…

Maharana Pratap Jayanti

Authority-resolved target-year holiday date; Rajasthan calendars defer to GAD announcements · Rajasthan, India / state holiday-calendar context

Rajasthan Raj Bhawan academic-calendar guidance lists Maharana Pratap Jayanti among holidays and directs institutions to follow Rajasthan General Administration Department announcements for…

Maharishi Valmiki’s Jayanti

26 October 2026 · India / Central Government restricted-holiday calendar

The Controller of Communication Accounts, Assam lists Maharishi Valmiki’s Jayanti on Monday, 26 October 2026 in its restricted-holiday list.

Makira-Ulawa Province public holiday

3 August 2026 · Makira-Ulawa Province, Solomon Islands / 2026 provincial public holiday

The Solomon Islands Gazette No. 157 appoints 3 August as the Makira-Ulawa Province public holiday for 2026.

Malaita Province public holiday

15 August 2026; observed public holiday 14 August 2026 · Malaita Province, Solomon Islands / 2026 provincial public holiday

The Solomon Islands Gazette No. 157 appoints 15 August for Malaita Province and specifies 14 August 2026 as the observed public holiday.

Malawi Independence Day

6 July · Malawi

Malaysia Day

16 September · Malaysia national public holiday / national celebration

Government of Malaysia official portal

Malaysia Independence Day / Hari Kemerdekaan

31 August · Malaysia

Tourism Malaysia identifies 31 August as Malaysia Independence Day, locally Hari Kemerdekaan.

Manuʻa Cession Day (in lieu)

16 July anniversary; in-lieu government holiday date may vary · American Samoa territorial holiday/commemoration

Government of American Samoa

March First Independence Movement Day

1 March annually · Republic of Korea / national commemoration

The Republic of Korea’s official Korea.net presidential material marks 1 March as March First Independence Movement Day, commemorating the March 1st independence movement.

Marlborough Anniversary Day

Observed Monday 2 November 2026; actual anniversary 1 November · Marlborough, New Zealand / Employment New Zealand 2026 guidance

Employment New Zealand’s 2026 table lists Marlborough’s actual anniversary as 1 November and the observed date as Monday 2 November 2026.

Maroons Day / Day of the Maroons in Suriname

10 October annually; 10 October 2026 fell on Saturday · Suriname public-holiday and cultural remembrance context

Suriname holiday calendars identify 10 October as Maroons Day; this recovery uses the stable date while keeping the legal/public-holiday claim narrowly scoped to Suriname and subject to gov…

Martin Luther King Jr. / Civil Rights Day

Third Monday in January; 19 January in Arizona in 2026 · Arizona state holiday naming

Arizona’s official 2026 holiday calendar lists Martin Luther King Jr. / Civil Rights Day on Monday, 19 January.

Martyrdom Day of Shaheed Udham Singh

31 July · India / national remembrance context

India’s Ministry of Information and Broadcasting states that Shaheed Udham Singh’s martyrdom day is observed on 31 July every year.

Martyrdom Day of Sri Guru Arjan Dev Ji

18 June in the cited 2026 Haryana state observance; resolve the relevant Sikh/official calendar for each target year · Sikh remembrance / Guru Arjan Dev Ji martyrdom commemoration

Haryana’s official 2026 state-level commemoration was held June 18. Sikh calendar practice can vary by authority/calendar tradition, so a new-year Gregorian date must be resolved rather tha…

Martyrdom Day of Sri Guru Arjan Dev Ji

18 June 2026 · India / Sikh remembrance; Haryana state function evidence

Haryana government records a state-level function on June 18, 2026 for the 420th Martyrdom Day of Sri Guru Arjan Dev Ji; the stored evidence is edition-specific.

Martyrdom of Imam Ali

21 Ramadan; 11 March in Iran’s published 2026 holiday calendar · Iran / national religious public holiday tied to the Islamic lunar calendar

JETRO’s 2026 Iran holiday calendar lists the Martyrdom of Imam Ali on March 11 and marks it as a lunar-calendar holiday whose date may change shortly beforehand.

Martyrdom of Imam Hassan Askari

Islamic lunar-calendar observance; 21 August in Iran’s published 2026 holiday calendar · Iran / national religious public holiday tied to the Islamic lunar calendar

JETRO’s 2026 Iran holiday calendar lists the Martyrdom of Imam Hassan Askari on August 21 and identifies lunar-calendar holidays as potentially subject to change.

Martyrdom of Imam Jafar Sadegh

Islamic lunar-calendar observance; 14 April in Iran’s published 2026 holiday calendar · Iran / national religious public holiday tied to the Islamic lunar calendar

JETRO’s 2026 Iran holiday calendar lists the Martyrdom of Imam Jafar Sadegh on April 14 and identifies the holiday as lunar-calendar based.

Martyrdom of Imam Reza

Islamic lunar-calendar observance; 13 August in Iran’s published 2026 holiday calendar · Iran / national religious public holiday tied to the Islamic lunar calendar

JETRO’s 2026 Iran holiday calendar lists the Martyrdom of Imam Reza on August 13 and marks lunar-calendar holidays as potentially subject to last-minute change.

Martyrdom of the Báb

10 July in 2026 · Bahá’í Faith / holy day

The official Bahá’í calendar lists the Martyrdom of the Báb on 10 July 2026; its Gregorian date should be resolved from the authoritative Bahá’í calendar for each target year.

Martyred Intellectuals Day

14 December annually · Bangladesh / national remembrance day

Bangladesh government rules list Martyred Intellectuals Day on December 14 among national days connected with the Liberation War.

Martyrs Day

20 June annually · Eritrea / national civic commemoration

Eritrea’s Ministry of Information identifies 20 June as Martyrs Day and documents official 2026 commemorations by government institutions and regions.

Martyrs’ Day

19 July 2026 · Myanmar / 2026 government holiday calendar

Myanmar’s national portal lists 19 July 2026 as Martyrs’ Day in its government-holiday calendar.

Martyrs’ Day

26 March · Mali / national commemoration

Mali Armed Forces reporting identifies March 26 as Martyrs’ Day and ties it to the victims of the March 1991 events.

Martyrs’ Day

3 March annually · Malawi / national public holiday and remembrance observance

Malawi government material states that Martyrs’ Day is observed annually on 3 March to honor those who sacrificed their lives for freedom and self-rule.

Martyrs’ Day

30 July annually · South Sudan / national government observance

South Sudan’s Ministry of Foreign Affairs states that the government declared 30 July Martyrs’ Day to honor John Garang and others who died in the struggle for independence.

Martyrs’ Day (jurisdiction-dependent)

No universal date — jurisdiction required (for example Uganda: 3 June; Eritrea: 20 June) · Multiple jurisdictions / distinct civic and religious remembrance observances sharing the Martyrs’ Day title

Uganda State House identifies the annual Martyrs’ Day observance on June 3, while Eritrea’s Ministry of Information documents Martyrs Day on June 20. The generic English title therefore can…

Martyrs’ Day (Togo)

21 June · Togo / national remembrance and public holiday

The official Togolese government site states that Togo commemorates Martyrs’ Day every 21 June in memory of those killed in the independence struggle and confirms that the day is a public h…

Mary Prince Day

Second day of Cup Match; date varies annually · Bermuda public holiday

Government of Bermuda

Maryland Day

25 March · Maryland state commemoration / legal holiday history

Maryland State Archives

Mashujaa Day (Kenya)

20 October · Kenyan national heroes observance

Office of the President of the Republic of Kenya

May 4 Day of Remembrance

4 May annually at Kent State University · Kent State University / May 4, 1970 remembrance

Kent State University says May 4 was established as an official Day of Remembrance in 1977 and documents annual May 4 commemorations.

Memento Mori

3 January · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar places its Memento Mori observance on January 3 and identifies Wellcat Holidays as created by Thomas and Ruth Roy.