Source-backedFixed Annual
International Microvolunteering Day
Nottingham Trent University’s 2026 volunteering program identifies International Micro Volunteering Day on 15 April and describes its small-action volunteering purpose.
Topic facet
Community Causes Advocacy observances
Community, rights, awareness and advocacy observances linked to causes, participation and public-interest campaigns.
382 records
Authority records
Source-backedFixed AnnualIn-depth guide
International Migrants Day
A/RES/55/93
Source-backedHistorical Legacy
International Mobile Phone Recycling Day
The Jane Goodall Institute documented its second annual International Mobile Phone Recycling Day on January 26, 2016; later JGI materials show campaign timing evolved, so the archived date…
Source-backedFixed AnnualIn-depth guide
International Mother Language Day
A/RES/56/262
Source-backedFixed Annual
International Non-Binary People's Day
Minnesota government information identifies July 14 as International Non-Binary People's Day and notes it is not a federal or state-recognized holiday; Snohomish County describes it as obse…
Source-backedFixed Annual
International Peace & Love Day
National Today and EventGuide independently place International Peace & Love Day on July 7 each year.
Source-backedVariable Custom
International Public Domain Day
Europeana describes International Public Domain Day as a yearly celebration drawing attention to materials entering the public domain and documents a multi-partner European celebration.
Source-backedFixed Annual
International Right to Know Day
The OSCE Mission to Serbia documented International Right to Know Day on 28 September in partnership with public institutions, UNDP, journalists and transparency groups.
Source-backedFixed Annual
International Roma Day
Council of Europe source verification / international Roma community observance
Source-backedEdition Specific
International School Meals Day
A 2026 UN Armenia/WFP release identifies International School Meals Day as 12 March 2026.
Source-backedRule Based Annual
International ShakeOut Day
Great ShakeOut materials identify International ShakeOut Day as the third Thursday of October and promote earthquake drill participation
Source-backedVariable Custom
International STAND UP to Bullying Day
Canadian trademark records document the International STAND UP to Bullying Day name and Bully Help Initiatives’ use since 2007. Public calendars describe twice-yearly observance, but publis…
Source-backedFixed Annual
International Students’ Day
The European Students’ Union marks November 17 as International Students’ Day and ties the commemoration to the 1939 Nazi attack on Czech students and universities.
Source-backedFixed Annual
International Transgender Day of Visibility
GLAAD identifies International Transgender Day of Visibility on 31 March and describes it as observed each year.
Source-backedRule Based AnnualIn-depth guide
International Week of Science and Peace
A/RES/43/61
Source-backedFixed AnnualIn-depth guide
International Widows' Day
A/RES/65/189
Source-backedFixed Annual
International Women of Color Day
U.S. Navy/DVIDS material identifies March 1 as International Women of Color Day and notes recognition by the National Institute for Women of Color since 1986; University of Pennsylvania mat…
Source-backedFixed AnnualIn-depth guide
International Women's Day
United Nations observance
Source-backedFixed Annual
International Women’s Day for Peace and Disarmament
Women’s International League for Peace and Freedom states that pacifist feminists established 24 May as International Women’s Day for Peace and Disarmament in the early 1980s.
Source-backedFixed AnnualIn-depth guide
International Youth Day
A/RES/54/120
Source-backedFixed Annual
Journée internationale de la Francophonie
The OIF states that the Journée internationale de la Francophonie is celebrated every year around 20 March and documents the 20 March 2026 edition.
Source-backedFixed Annual
Kodomo no Hi (Children’s Day)
Japan’s Cabinet Office identifies Kodomo no Hi as a national holiday on 5 May under the national-holiday framework.
Source-backedHistorical Legacy
Kyoto Protocol entry-into-force anniversary
UNFCCC states that the Kyoto Protocol entered into force on 16 February 2005.
Source-backedFixed Annual
League of Women Voters founding anniversary
The League of Women Voters marks February 14 as its birthday, commemorating its founding in 1920. The SEO title is retained as an alias for that organizational anniversary.
Source-backedEdition Specific
Letter Carriers’ Stamp Out Hunger® Food Drive
NALC’s 2026 registration notice gives Saturday 9 May 2026, and its toolkit describes the annual food drive as occurring on the second Saturday in May.
Source-backedEdition Specific
Loud Shirt Day
The official Loud Shirt Day campaign lists 16 October 2026 and describes the annual fundraiser as supporting children who are deaf or hard of hearing through First Voice member organisation…
Source-backedRule Based Annual
Make A Difference Day
Points of Light documents Make A Difference Day as beginning in 1992 and taking place annually on the fourth Saturday in October.
Source-backedFixed Annual
Malala Day
The Malala Fund continues to use Malala Day around 12 July to amplify girls’ education and young people’s voices, building on Malala Yousafzai’s UN address.
Source-backedRule Based Annual
Martin Luther King Jr. Day / Idaho Human Rights Day
The Idaho State Treasurer’s 2026 state-holiday calendar lists Martin Luther King Jr. Day / Idaho Human Rights Day on Monday 19 January 2026; Idaho court rules place the observance on the th…
Source-backedFixed Annual
Mean Girls Day
Paramount’s official promotional campaign used 3 October as Mean Girls Day, including a 2023 TikTok release of the film; industry award documentation independently records the rights-holder…
Source-backedFixed AnnualIn-depth guide
Micro-, Small and Medium-sized Enterprises Day
A/RES/71/279
Source-backedRule Based Annual
Mindanao Week of Peace
Philippine Proclamation No. 127 (2001) declares the last Thursday of November through the first Wednesday of December of every year thereafter as Mindanao Week of Peace.
Source-backedFixed Annual
Mozambican Women’s Day (Dia da Mulher Moçambicana)
Mozambique’s Government Portal lists 7 April as Dia da Mulher Moçambicana and links the holiday to remembrance of Josina Machel.
Source-backedHistorical Legacy
NAACP founding anniversary
NAACP’s official history states that the organization was born on 12 February 1909. This verifies the founding-anniversary date but not a formal nationwide observance named “NAACP Day.”
Source-backedFixed Annual
National Acadian Day
Government of Canada / Canadian Heritage; celebrated since 1881 and recognized in federal law in 2003
Source-backedEdition Specific
National Adoption Day
National Adoption Day official coalition
Source-backedFixed Annual
National Africa Civility Day
National Day Archives records September 15 and credits World Civility Presidential Club with founding the observance in 2020; current awareness calendars retain September 15.
Source-backedEdition Specific
National American Sign Language Day
New York State hosted a 15 April 2026 event explicitly honoring National American Sign Language Day.
Source-backedFixed Annual
National Black Literacy Day
National Day Archives states that Semicolon Bookstore created National Black Literacy Day in February 2021 and that it takes place on February 14 each calendar year.
Source-backedFixed Annual
National Black Women in Jazz and the Arts Day
Multiple current observance references place the day on March 1 and attribute its establishment to the Black Women in Jazz organization/initiative.
Source-backedFixed Annual
National Care for Kids Day®
Designetics states it created National Care for Kids Day to be held annually on September 20, and the Care for Kids organization lists the September 20, 2026 edition.
Source-backedFixed Annual
National Caribbean Civility Day
National Day Archives records October 5 and credits World Civility Presidential Club with founding the observance in 2020.
Source-backedFixed Annual
National Child Day
Public Health Agency of Canada; observed on the anniversary associated with major United Nations child-rights milestones
Source-backedEdition Specific
National Child Protection Week
NAPCAN’s official 2026 campaign page dates National Child Protection Week to 6–12 September 2026 and states Australian Government Department of Social Services support.
Source-backedEdition Specific
National Children's Day UK
The official NCDUK 2026 press material sets a week of action from 4–10 May 2026, ending on the day itself, while the organizer explains that the UK initiative intentionally uses a beginning…
Source-backedFixed Annual
National Coming Out Day
The Human Rights Campaign identifies 11 October as National Coming Out Day and describes its history and purpose
Source-backedFixed Annual
National Consumer Day
Government of India Press Information Bureau / Department of Consumer Affairs
Source-backedFixed Annual
National Day of Community Service
Dominica’s Ministry of Community Development states that National Day of Community Service is implemented on November 4 every year; the government portal lists it as a public holiday.
Source-backedHistorical Legacy
National Day of Encouragement
U.S. Senate resolutions designated 12 September as National Day of Encouragement in multiple years, including 2008 and 2011.
Source-backedHistorical Legacy
National Day of Listening
StoryCorps says it launched the National Day of Listening in 2008; its 2011 annual report describes it as an annual day held the day after Thanksgiving. Later StoryCorps material describes…
Source-backedFixed Annual
National Day of Reason
The current National Day of Reason campaign and American Humanist Association identify May 4 as the annual observance date; a 2026 U.S. House resolution also recognizes May 4, 2026 without…
Source-backedHistorical Legacy
National Day of Solidarity with Muslim, Arab, and South Asian Immigrants
NYU Special Collections’ archival finding aid documents a National Day of Solidarity with Muslim, Arab, and South Asian Immigrants event on 20 February 2002. That archival evidence is suffi…
Source-backedFixed Annual
National Day of Tolerance and Coexistence in Iraq
A United Nations report records the Iraqi Prime Minister’s announcement that 6 March would henceforth be observed as the National Day of Tolerance and Coexistence following Pope Francis’s 2…
Source-backedVariable Custom
National Day of Unplugging
Reboot documents the National Day of Unplugging as a project it created and explains its purpose as a communal digital detox
Source-backedVariable Custom
National Days of Dialogue
Urban Rural Action states that the National Day of Dialogue was founded by Ideos Institute in 2022 and is now held annually during the second and third weeks of January, with event dates se…
Source-backedFixed Annual
National DEI Day
The National DEI Day organizer site states that the observance is held each year on September 17, deliberately coinciding with U.S. Constitution Day and Citizenship Day.
Source-backedEdition Specific
National Disability Independence Day
Government civil-rights and local-government sources use National Disability Independence Day for July 26, commemorating the anniversary of the Americans with Disabilities Act.
Source-backedFixed Annual
National Do Something Good for Your Neighbor Day
A City of Huntsville proclamation identifies May 16 as National Do Something Good for Your Neighbor Day and credits Starr Valentino with beginning the observance in Atlanta in 2009.
Source-backedRule Based Annual
National Donate Life Blue & Green Day
Donate Life America states National Donate Life Blue & Green Day is observed on the second Friday of April each year; New York State health authorities documented the April 10, 2026 observa…
Source-backedFixed Annual
National Education Day (Rashtriya Shiksha Diwas)
India’s Press Information Bureau states that National Education Day is celebrated every November 11 in honour of Maulana Abul Kalam Azad.
Source-backedFixed Annual
National Energy Conservation Day
India’s Bureau of Energy Efficiency states that December 14 was declared National Energy Conservation Day and that the annual awards function is organized on December 14 each year.
Source-backedRule Based Annual
National Fatherless Children’s Day
National Day Archives states that Donald Adams of Finding Fathers, Inc. created the observance in 2020 and that it occurs on the fourth Sunday of June.
Source-backedFixed Annual
National Freedom of Information Day
The National Freedom of Information Coalition states that Sunshine Week coincides with National Freedom of Information Day on 16 March, James Madison’s birthday.
Source-backedFixed Annual
National Girl Me Too Day
The Girl Me Too organization identifies April 7 as National Girl Me Too Day and attributes the initiative to founder Symonia Montgomery.
Source-backedEdition Specific
National Girls & Women in Sports Day®
The Women’s Sports Foundation identifies February 4, 2026 as National Girls & Women in Sports Day®, says it co-founded the observance, and describes itself as its national steward.
Source-backedFixed Annual
National Girls' Night In Day
National Day Calendar’s proclamation archive states that Ketel One Botanical founded the observance in 2018 and set it annually for September 22.
Source-backedFixed Annual
National Give Something Away Day
National Day Calendar identifies Linda Eaton Hall-Fulcher as the founder of National Give Something Away Day in 2015 and records July 15 as the annual date.
Source-backedFixed Annual
National Good Neighbor Day
The current National Good Neighbor Day organizer uses September 28. Historical congressional materials contain date-specific and fourth-Sunday recognition formulations, so the record does n…
Source-backedFixed Annual
National Higher Education Day
Puget Sound Educational Service District identifies June 6 as National Higher Education Day and traces the 2015 founding to Izamar Olaguez and Marcie Hronis.
Source-backedFixed Annual
National Honor Our LGBT Elders Day
SAGE/National Resource Center materials identify May 16 as National Honor Our LGBT Elders Day; congressional resolutions have also recognized the observance.
Source-backedHistorical Legacy
National Immigrants Day
Congress designated October 28, 1987 as National Immigrants Day and President Ronald Reagan proclaimed that specific 1987 date; the cited federal authority does not create a perpetual annua…
Source-backedFixed Annual
National Indigenous Peoples Day
The Government of Canada identifies 21 June as National Indigenous Peoples Day and describes it as a day to recognize and celebrate the history, heritage, resilience and diversity of First…