May calendar days

May Calendar Days 🗓️ #️⃣

May Calendar Days List 2023 🗓️#️⃣ May Social Media #Hashtag Calendar

Our May calendar days list of worldwide international awareness days are fact checked to make sure they’re not just fake news or social media hype. We’ve included all the fixed May international awareness days we could find including all the UN International Days. If you’re aware of an international fixed March calendar day that isn’t on our list please add your comments at the bottom the page so we can include all May calendar days.

  • May calendar days list compiled by Joe Connor and last updated on Jan 31, 2023 @ 8:50 am

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Date 🗓️ May Calendar Days 🗓️ Acronym First Observed Where? Founder / Organizations Filter Tags / Categories 🗓️May Calendar Days Key Facts #️⃣ Social Media Hashtags
1 May May Day BC Europe Occasion day, National holiday in many countries May day is an ancient Spring festival of dancing, (Maypole dancing in the UK) music, food and drink. The festival of Flora, the Roman goddess of flowers was celebrated in the Roman Republican era (509-27BC), Walpurgis Night in Germanic countries and the Gaelic Beltane festival. #MayDay2023
1 May International Workers’ Day / Labour Day
 1904 most countries worldwide ITUC (International Trade Union Confederation), IWA (International Workers’ Association), WFTU (World Federation of Trade Unions), TUC (Trades Union Congress). Politics day, Rights day, National holiday in many countries Socialists, communists, trade unions and workers organize rallies and demonstrations and media events to celebrate and campaign for workers rights and peace worldwide. Canada and the US celebrate Labor day on the first Monday in September. UN May awareness days. #LabourDay or add year #LabourDay2023 #MayDay2023
2 May World Tuna Day 2017 worldwide UN, ISSF (International Seafood Sustainability Foundation), PNA (Parties to the Nauru Agreement). Conservation day, Awareness day World Tuna Day highlights the importance of sustainably managed fish stocks as part of the UN 2030 agenda sustainable development goals (SDGs). #WorldTunaDay
3 May World Press Freedom Day / World Press Day WPFD 2003 worldwide UN, UNESCO. Rights day, Rights awareness day Every week, a journalist is killed simply for doing their job and most cases go unpunished. On this day in 1991 the Windhoek Declaration of press freedom principles were adopted at a UNESCO seminar. WPFD raises awareness of the freedom of the press and reminds governments of their obligations under Article 19 of the 1948 Universal Declaration of Human Rights. See also A Day Without News. UN May calendar days. #WorldPressFreedomDay #WPFD or add year #WPFD2023 #PressFreedom #FreedomOfSpeech
4 May Star Wars Day 2011 worldwide online Star Wars fans, Lucasfilm, Walt Disney Company. Fan day, Geek day, Internet day, Awareness day A day to celebrate everything Star Wars. Held today based on the “May the Force be with you” pun. Real world conventions, costume parties and online social media campaigns. #StarWarsDay
5 May International Midwives’ Day / International Day of the Midwife IDM 1991 50+ countries worldwide ICM (International Confederation of Midwives), WHO. Health day, Awareness day A day to recognize the work of midwives and midwifery worldwide, focused on a different theme each year. #ThankAMidwife
5 May Revenge of the Fifth worldwide online Star Wars fans, Lucasfilm, Walt Disney Company. Fan day, Geek day, Internet day, Awareness day Following on from Star Wars Day turn to the dark side for just one day. Held today based on a wordplay of Star Wars Episode III “Revenge of the Sith”. #RevengeOfTheFifth #RevengeOfThe5th #SithDay
6 May International No Diet Day INDD 1992 UK, USA and a few other countries Mary Evans Diet Breakers, ISAA (International Size Acceptance Association). Food day, Health Awareness day A day to consider maintaining a healthy life style whatever your size. Raise awareness of the potential dangers of dieting and likelihood of success. Wear a light blue ribbon to honor victims of eating disorders and weight loss surgery. #InternationalNoDietDay #NoDietDay
7 May No verified international May calendar days today. On this day in 2000 Vladimir Putin became President of Russia. Are you aware of any May calendar days we can replace this with? Please comment below.
8 May Victory in Europe Day / VE Day / V-E Day / V Day 1945 USA, Europe War and Peace, Remembrance day VE day marked the formal acceptance of Nazi Germany’s unconditional surrender to the allies which ended World War II in Europe #VEDay #8May1945
8 May World Red Cross and Red Crescent Day 1948 worldwide IFRC (International Federation of the Red Cross Societies), LORCS (League of the Red Cross Societies). War and Peace, Remembrance day, Awareness day A day to recognize the work of volunteers worldwide and campaign for peace to prevent wars instead of mitigating the consequences of wars. Celebrated on the birthday of Swiss born
Henry Dunant, the first Nobel Peace Prize winner.		 #WorldRedCrossAndRedCrescentDay #RedCrossDay #RedCrescentDay #Red8May
8 May Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War 2005 worldwide UN War and Peace, Remembrance day May 8 is the date the World War II Allies accepted the unconditional surrender of the Nazi Germany armed forces and marks the end of Adolf Hitler’s Third Reich. Day 1 of a 2 day event. UN May awareness days. #WorldWar2remembrance #RemembranceLostLivesWW2
9 May Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War 2005 worldwide UN Remembrance day Countries, UN organizations, NGOs and individuals are urged to pay tribute to the victims of World War II. Day 2 of a 2 day event. UN May calendar days.
9 May Europe Day / EU Flag Day 1985 European EU states and accession countries; Turkey EU, Council of Europe. History day, Politics day, Awareness day A day to celebrate peace and unity in Europe. #EUday #EuropeDay #EUFlagDay
10 May World Migratory Bird Day WMBD 2006 worldwide UN, North America, CMS (Convention on Migratory Species), AEWA (Agreement on the Conservation of African-Eurasian Migratory Waterbirds). Bird day, Awareness day A day to raise awareness and conservation of migratory birds and their habitats which are under threat from climate change. UN May calendar day. #TheirFutureOurFuture #WorldMigratoryBirdDay
10 May World Lupus Day 2004 worldwide WLF (World Lupus Federation). Health day, Health awareness day A day to raise awareness of Lupus and campaign for better education, research, treatment and support from health organizations. #WorldLupusDay
11 May Twilight Zone Day USA USA, Sci-Fi fans. Geek day, Fan day, Social Media day Like the popular TV show the Twilight Zone Day origin remains a mystery – as does the choice of day. We suspect it was just fake news made up by one of the calendar websites but there’s plenty of fan interest so it’s a thing.
12 May International Nurses Day IND 1965 worldwide ICN (International Council of Nurses). Workers day, Workers awareness day On this day in 1820 Florence Nightingale, the founder of modern nursing, was born. Today is a day to celebrate and acknowledge the contributions nurses make to society worldwide and campaign #InternationalNursesDay #IND2023
13 May International Hummus Day 2012 worldwide Food day, Fun day, Social media day To celebrate eat hummus on breakfast, lunch or dinner or attend a hummus event. Share your Hummus pics and add a pin to the World Hummus Map. #HummusDay
14 May No verified international May calendar days today. On this day in 1984 Mark Zuckerberg, Facebook founder is born and American singer and actor Frank Sinatra dies. Are you aware of any May calendar days we can replace this with? Please comment below.
15 May International Day of Families 1996 worldwide UN Family day, Family awareness day A day to celebrate the role families play in the lives of all family members and to promote good practices in the workplace to support working parents. Each year families day raises awareness on a different family issue. UN May calendar days. #DayOfFamilies
15 May Endangered Species Day 2005 USA, worldwide Endangered Species Coalition, IUCN (International Union for Conservation of Nature). Animal day, Awareness day Raise awareness of endangered species and some everyday actions you can take to help protect them. #EndangeredSpeciesDay
16 May No verified international May calendar days today. On this day in 1929 the first Academy Awards (Oscars) were awarded. Are you aware of any May calendar days we can replace this with? Please comment below.
17 May International Day Against Homophobia and Transphobia IDAHOT 2004 130+ countries worldwide IDAHO Committee, Arcus Foundation, Hivos. Rights day, Rights awareness day A day to celebrate the rights achieved by LGBTI people so far and to campaign for further change and end violence and discrimination experienced by LGBTI people. #IDAHOT #IDAHOBIT
17 May Internet Day / World Information Society Day / World Telecommunication Day WTISD 2006 worldwide UN, ITU (International Telecommunication Union). Technology, Awareness day Raise awareness of how information technologies and the internet have changed society and exchange ideas to reduce the digital divide. UN May calendar days. #WTSID (or add year:) #WTSID2023 #WorldTelecommunicationsDay
17 May World NF Awareness Day worldwide Childrens Tumor Foundation (USA), Nerve Tumours UK Health, Awareness day World Awareness Day for NF, short for NeuroFibromatosis, a group of genetic disorders that cause tumors to form on nerve tissue in the nervous system. Shine a blue light on landmarks, buildings and homes to raise awareness. #ShineALightonNF #Neurofibromatosis
18 May World AIDS Vaccine Day Health
18 May Fascination of Plants Day 2013 worldwide EPSO (European Plant Science Organisation). Environment day, Environmental awareness day Thousands of plant related events organized worldwide to raise awareness of the importance of plant science and role they play in agriculture, food production, horticulture, forestry, paper, timber, chemicals, energy and pharmaceuticals. #PlantDay
18 May Plant Conservation Day 2001 USA, Europe + other countries AZH (Association of Zoological Horticulture), BGCI (Botanic Gardens Conservation International). Environment day, Environmental awareness day Raise awareness of the importance of plants and learn more about the key role we all play in their conservation. #PlantConservationDay
18 May Plant Conservation Day 2001 USA, Europe + other countries AZH (Association of Zoological Horticulture), BGCI (Botanic Gardens Conservation International). Environment day, Environmental awareness day Raise awareness of the importance of plants and learn more about the key role we all play in their conservation. #PlantConservationDay
19 May No verified international May calendar days today. Prince Harry and Meghan Markle were married in St George’s Chapel, Windsor. Are you aware of any May calendar days we can replace this with? Please comment below.
20 May Blue Cone Monochromacy International Awareness Day USA, worldwide BCM Families Foundation. Health day, Awareness day A day to raise awareness of blue cone monochromacy (BCM) which is a rare inherited eye disease which usually manifests itself in early infancy. There’s currently no cure.
20 May World Metrology Day 2005 worldwide BIPM (Bureau International des Poids et Mesures). Science day, Awareness day A day to celebrate the impact of measurement on our daily lives. Held on the anniversary of the signing of the Metre Convention on 20 May 1875. Celebrated jointly by the International Bureau of Weights and Measures/Bureau International des Poids et Mesures (IBWM/BIPM), International Organization of Legal Metrology (OIML) and national metrology organizations. #WorldMetrologyDay
20 May World Bee Day 2017 Croatia, worldwide UN, Slovenia Environment day, Environmental awareness day World Bee Day is an opportunity to raise awareness of the vital role bees and other pollinators play in human survival. 20th May is the birth date of Slovenian beekeeper Anton Janša (1734-1773) who pioneered modern beekeeping. #WorldBeeDay
21 May World Day for Cultural Diversity for Dialogue and Development 2002 worldwide UN, UNESCO. Culture day, Cultural awareness day A day to promote cultural diversity issues and learn how to live together in harmony though education for sustainable lifestyles and development. UN May calendar days. #WDCDDD or add year #WDCDDD2023
22 May International Day for Biological Diversity IDB 2002 worldwide UN, CBD (Convention on Biological Diversity). Environment day, Environmental awareness day A day to raise awareness and deepen understanding of how sustainable tourism can lead to both economic growth and the conservation of biodiversity. UN May calendar days. #IDB #IDB2023 #BiodiversityDay #BiologicalDiversityDay
23 May International Day to End Obstetric Fistula 2013 worldwide UN, UNFPA (United Nations Population Fund). Health day, Health awareness day A day to raise awareness that Fistulas can be repaired. Obstetric Fistula afflicts vulnerable women during childbirth turning a joyous occasion into tragedy. Women are left incontinent and often shunned by their communities. UN May calendar days. #EndFistula
24 May No verified international May calendar days today. On this day in 1956 Lys Assia won the first Eurovision Song Contest for Switzerland. Are you aware of any May calendar days we can replace this with? Please comment below.
25 May International Missing Children’s Day IMCD 1983 / 2001 USA, 22+ countries worldwide ICMEC (International Centre for Missing & Exploited Children), NCMEC (U.S. National Center for Missing & Exploited Children), GMCN (Global Missing Children’s Network, EU, Missing Children Europe. Family day, Family awareness day A day to celebrate missing children who have been found and support campaigns to find children who are still missing worldwide. #MissingChildren #BringThemHome #IMCD2023
25 May World Thyroid Day WTD 2008 worldwide ATA (American Thyroid Association), ETA (European Thyroid Association), TFI (Thyroid Federation International). Health day, Health awareness day A day to raise awareness of thyroid health and to improve education and prevention programs. Thyroid diseases and disorders often remain undiagnosed leading to other health issues. #WorldThyroidDay
25 May Geek Pride Day 1998 Spain, USA, Sweden, Canada Geeks, Sci-Fi Fans, The Science Channel. Geek day, Awareness day, Fun day, Online day A day for geeks to flaunt their geekiness both online and at real world events worldwide. There are references to Geek Pride Day events in 1998 New York by Tim McEachern, in 2001 by Dick Morley in New Hampshire. In 2006 300 Geeks formed a human Pac-Man and created a manifesto in Madrid, Spain and it’s now an annual celebration. #GeekPrideDay #GeekDay
25 May Towel Day 2001 UK, USA, worldwide Sci-Fi fans, HHGTTG fans. literary day, geek day Fans celebrate the English writer Douglas Adams, author of The Hitchhiker’s Guide to the Galaxy (HHGTTG) by openly carrying a towel with them, as described in the books. Why 25 May? No reason but if you want one add 25+5 in hexadecimal and you get 2A which is 42 in decimal 😉 #TowelDay #DouglasAdams
25 May The Glorious Twenty-Fifth of May UK, USA, worldwide Sci-Fi fans, Discworld fans. geek day, literary day In the Discworld novel series 25th May is observed by survivors of the People’s Revolution, which ended Lord Winder’s reign. Terry Pratchett fans wear a sprig of lilac in his memory. #WearTheLilac #AllTheLittleAngels #HowDoTheyRiseUp
26 May No verified international May calendar days today. On this day in 1923 Le Mans 24 hours race is held for the first time, won by André Lagache and René Léonard of France. Are you aware of an April awareness day we can replace this with? Please comment below.
27 May No verified international May calendar days today. On this day in 1937 the Golden Gate suspension bridge is opened connecting the San Francisco peninsula with Marin County, USA. Are you aware of any May calendar days we can replace this with? Please comment below.
28 May World Hunger Day 2011 worldwide The Hunger Project. Food day, Hunger awareness day Over 795 million people in the world do not have enough food today. You can help by supporting sustainable solutions that empower people to help end hunger and poverty worldwide. #WorldHungerDay
28 May Menstrual Hygiene Day MHD / MH Day worldwide WASH United. Family, Women, Health awareness day A day to raise awareness about the importance of good menstrual hygiene management for women and girls worldwide. Always wash hands thoroughly with soap before eating and after using the toilet. #MenstrualHygieneDay #MHDay or add year #MHDay2023
29 May International Day of UN Peacekeepers 2014 2003 worldwide UN War and Peace, Global politics awareness day A day to pay tribute to the men and women who are serving, and have served, in UN peacekeeping operations and to honor the memory of those who have lost their lives in the cause of peace. UN May calendar days. #InvestingInPeace #PKDay #Volunteers4Peace
30 May No verified international May calendar days today. On this day in 1846 Peter Carl Fabergé, Russian goldsmith and jeweler was born. On this day in 1431 Joan of Arc was tied to a pillar and burnt to death in Rouen, France. Are you aware of any May calendar days we can replace this with? Please comment below.
31 May World No Tobacco Day / A World No-Smoking Day WNTD 1988 worldwide UN, WHO, TFI (Tobacco Free Initiative), Campaign for Tobacco-Free Kids, International Union Against Tuberculosis and Lung Disease. Rights day, Health day, Health awareness day The health risks of smoking are widely understood but every smoker exposes others to second-hand risks. Give up smoking day. Give up for the day, the week, the year, then the rest of your life. UN May calendar days. #NoTobacco #WorldNoTobaccoDay #WNTB #WNTB2023

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