Cause awareness and giving days are powerful themes upon which to launch social media and online fundraising campaigns. In addition to the international days listed below, see also public holidays by country, Days of the Year, and Wikipedia’s List of Commemorative Months.
January
19: Martin Luther King, Jr. Day of Service — #MLKDay
28: Data Privacy Day — #DataPrivacyDay
February
2: World Wetlands Day — #WorldWetlandsDay
4: World Cancer Day — #WorldCancerDay
10: Safer Internet Day — #SaferInternetDay
12: Digital Learning Day — #DigitalLearningDay
13: World Radio Day — #WorldRadioDay
15: World Whale Day — #WorldWhaleDay
20: World Day of Social Justice — #SocialJusticeDay
24: World Spay Day — #WorldSpayDay
27: International Polar Bear Day — #PolarBearDay
27: World NGO Day — #WorldNGODay
28: Rare Disease Day — #RareDiseaseDay
March
3: World Wildlife Day — #WorldWildlifeDay
8: International Women’s Day — #IWD2026
12: World Kidney Day — #WorldKidneyDay
18: Global Recycling Day — #GlobalRecyclingDay
21: International Day of Forests — #WorldForestsDay
21: World Down Syndrome Day — #WorldDownSyndromeDay
21: World Poetry Day — #WorldPoetryDay
22: World Water Day — #WorldWaterDay
24: World Tuberculosis Day — #WorldTBDay
28: Earth Hour — #EarthHour
April
2: World Autism Awareness Day — #WorldAustismDay
7: World Health Day — #WorldHealthDay
12: Good Deeds Day — #GoodDeedsDay
12: International Day for Street Children — #StreetChildrenDay
15: World Art Day — #WorldArtDay
22: Earth Day — #EarthDay
23: World Book Day — #WorldBookDay
25: World Malaria Day — #WorldMalariaDay
25: World Penguin Day — #WorldPenguinDay
30: International Jazz Day — #JazzDay
May
3: World Press Freedom Day — #WorldPressFreedomDay
9: World Fair Trade Day — #WorldFairTradeDay
9: World Migratory Bird Day — #WorldMigratoryBirdDay
10: World Lupus Day — #WorldLupusDay
12: International Nurses Day — #NursesDay
15: Endangered Species Day — #EndangeredSpeciesDay
17: International Day Against Homophobia, Transphobia, Biphobia — #IDAHOTB
18: International Museum Day — #MuseumDay
22: International Day for Biological Diversity — #BiologicalDiversityDay
23: World Turtle Day — #WorldTurtleDay
31: World No Tobacco Day — #WorldNoTobaccoDay
June
5: World Environment Day — #WorldEnvironmentDay
8: World Ocean Day — #WorldOceanDay
12: World Day Against Child Labour — #WorldDayAgainstChildLabour
14: World Blood Donor Day — #WorldBloodDonorDay
16: World Sea Turtle Day — #WorldSeaTurtleDay
20: World Refugee Day — #WorldRefugeeDay
21: International Day of Yoga — #YogaDay
22: World Rainforest Day — #WorldRainforestDay
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July
11: WorldPopulationDay — #WorldPopulationDay
18: Nelson Mandela International Day — #MandelaDay
28: World Hepatitis Day — #WorldHepatitisDay
29: International Tiger Day — #InternationalTigerDay
30: World Day Against Trafficking in Persons — #EndHumanTrafficking
August
9: Indigenous People’s Day — #IndigenousDay
10: World Lion Day — #WorldLionDay
12: International Youth Day — #YouthDay
12: World Elephant Day — #WorldElephantDay
17: National Nonprofit Day — #NonprofitDay (Internationally recognized)
19: World Humanitarian Day — #WorldHumanitarianDay
26: International Dog Day — #DogDay
29: International Day Against Nuclear Tests — #AgainstNuclearTestsDay
September
5: International Day of Charity — #CharityDay
8: International Literacy Day — #LiteracyDay
10: World Suicide Prevention Day — #WorldSuicidePreventionDay
12: World Dolphin Day — #WorldDolphinDay
15: International Day of Democracy — #DemocracyDay
21: International Day of Peace — #PeaceDay
21: World Alzheimer’s Day — #WorldAlzheimersDay
22: World Rhino Day — #WorldRhinoDay
27: World Tourism Day — #WorldTourismDay
27: World Rivers Day — #WorldRiversDay
October
4: World Animal Day — #WorldAnimalDay
4: World Habitat Day — #WorldHabitatDay
5: World Teachers Day — #WorldTeachersDay
6: World Cerebral Palsy Day — #WorldCPDay
10: World Homeless Day — #WorldHomelessDay
10: World Mental Health Day — #WorldMentalHealthDay
11: International Day of the Girl Child — #DayOfTheGirl
11: Coming Out Day — #ComingOutDay
12: World Arthritis Day — #WorldArthritisDay
13: World Thrombosis Day — #WorldThrombosisDay
16: Global Cat Day — #GlobalCatDay
16: World Food Day — #WorldFoodDay
16: World Values Day — #WorldValuesDay
17: International Day for the Eradication of Poverty — #EndPoveryDay
29: International Internet Day — #InternetDay
31: World Cities Day — #WorldCitiesDay
November
3: International Day for Biosphere Reserves — #BiosphereReserves
13: World Kindness Day — #WorldKindnessDay
14: World Diabetes Day — #WorldDiabetesDay
16: International Day for Tolerance — #ToleranceDay
19: World Pancreatic Cancer Day — #WorldPancreaticCancerDay
19: World Toilet Day — #WorldToiletDay
20: World Children’s Day — #WorldChildrensDay
20: World Philosophy Day — #WorldPhilosophyDay
21: World Television Day — #WorldTVDay
25: International Day for the Elimination of Violence Against Women — #EndViolenceAgainstWomen
December
1: Giving Tuesday — #GivingTuesday
1: World AIDS Day — #WorldAIDSDay
3: International Day of Person with Disabilities — #IDPwD26
5: International Volunteer Day — #VolunteerDay
5: World Soil Day — #WorldSoilDay
9: International Anti-Corruption Day — #AntiCorruptionDay
10: International Human Rights Day — #HumanRightsDay
11: International Mountain Day — #MountainDay
18: International Migrants Day — #MigrantsDay
The 2026 Certificate in Artificial Intelligence (AI) for Marketing & Fundraising program provides an honest, balanced approach to using AI for nonprofit marketing and fundraising—and illuminates why AI literacy is a must-have skill for 2026 and onward. Customized for nonprofit professionals, this webinar series will expand your skill set, advance your career, and help transition your nonprofit into the age of AI.
