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USA awareness days and key dates

Awareness days, weeks and months, with bank holidays and the big commercial dates. Pick a country and the types you need, then subscribe in your own calendar.

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May 2024

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  1. Wednesday 1 May 2024

    • Law Day

      Awareness

      Law Day on 1 May is a US observance that celebrates the rule of law and encourages people to learn about the legal system.

    • World Maternal Mental Health Day

      AwarenessInternational

      A global day on the first Wednesday of May that raises awareness of mental health during pregnancy and the first year after birth.

  2. Thursday 2 May 2024

    • National Day of Prayer

      Religious and cultural

      The National Day of Prayer falls on the first Thursday in May, when Americans of all faiths are invited to pray for the nation.

    • World Tuna Day

      AwarenessInternational

      World Tuna Day on 2 May highlights the importance of sustainable tuna fishing for food security and the economy.

  3. Friday 3 May 2024

    • World Press Freedom Day

      AwarenessInternational

      World Press Freedom Day on 3 May defends media independence and honours journalists who have lost their lives doing their job.

  4. Sunday 5 May 2024

    • Cinco de Mayo

      Religious and cultural

      A celebration of Mexican American culture held in the US on 5 May, recalling the Mexican victory at the Battle of Puebla in 1862.

    • International Compost Awareness Week

      AwarenessInternational5 to 11 May 2024

      A week in early May that promotes composting and the use of compost to improve soil and cut waste.

    • International Day of the Midwife

      AwarenessInternational

      A global day on 5 May celebrating midwives and calling for more investment in midwifery.

    • National Hurricane Preparedness Week

      Awareness5 to 11 May 2024

      A US safety week in early May, before the Atlantic hurricane season, that helps people understand their storm risk and get ready.

    • World Hand Hygiene Day

      AwarenessInternational

      Held on 5 May each year, WHO's day for promoting clean hands in health care to prevent infections picked up during treatment.

    • World Portuguese Language Day

      AwarenessInternational

      World Portuguese Language Day on 5 May celebrates the Portuguese language and the cultures of Portuguese-speaking countries.

  5. Monday 6 May 2024

    • National Nurses Week

      Awareness6 to 12 May 2024

      National Nurses Week runs from 6 to 12 May every year in the US, ending on Florence Nightingale's birthday.

  6. Tuesday 7 May 2024

    • World Asthma Day

      AwarenessInternational

      A global day on the first Tuesday of May that raises awareness of asthma and better care for people living with it.

  7. Wednesday 8 May 2024

  8. Thursday 9 May 2024

    • Ascension Day

      Religious and culturalInternational

      Ascension Day falls on a Thursday 39 days after Easter Sunday and marks Jesus ascending into heaven.

  9. Friday 10 May 2024

    • International Day of Argania

      AwarenessInternational

      The International Day of Argania on 10 May recognises the argan tree and its value for biodiversity and for rural women in Morocco.

    • World Lupus Day

      AwarenessInternational

      A global day on 10 May that raises awareness of lupus and calls for earlier diagnosis, better care and more research.

  10. Saturday 11 May 2024

    • World Fair Trade Day

      AwarenessInternational

      Held on the second Saturday of May to celebrate fair trade and the producers, makers and businesses that work to its principles.

    • World Migratory Bird Day (May)

      AwarenessInternational

      World Migratory Bird Day is held twice a year, on the second Saturday of May and October, to raise awareness of migratory birds and their protection.

  11. Sunday 12 May 2024

    • International Day of Plant Health

      AwarenessInternational

      The International Day of Plant Health on 12 May shows how protecting plants from pests and disease helps end hunger and protect nature.

    • International Nurses Day

      AwarenessInternational

      A global day on 12 May, Florence Nightingale's birthday, recognising the work of nurses.

    • ME Awareness Day

      AwarenessInternational

      A day on 12 May that raises awareness of myalgic encephalomyelitis (ME/CFS), also marked worldwide as World ME Day.

    • Mother's Day

      Commercial and retail

      A day to thank mums. In the UK it is Mothering Sunday, three weeks before Easter Sunday. In the USA it is the second Sunday in May.

    • National Transportation Week

      Awareness12 to 18 May 2024

      National Transportation Week is the week in May that includes the third Friday, recognising the people and systems that keep the US moving.

    • National Women's Health Week

      Awareness12 to 18 May 2024

      National Women's Health Week starts on Mother's Day each May, encouraging women in the US to make their health a priority.

  12. Wednesday 15 May 2024

    • International Day of Families

      AwarenessInternational

      The International Day of Families on 15 May raises awareness of the social, economic and demographic issues that affect families.

    • Peace Officers Memorial Day

      Religious and cultural

      Peace Officers Memorial Day on 15 May honours US law enforcement officers who died or were disabled in the line of duty.

  13. Thursday 16 May 2024

    • Global Accessibility Awareness Day

      AwarenessInternational

      A global day on the third Thursday of May encouraging everyone to think and learn about digital access and inclusion.

    • International Day of Light

      AwarenessInternational

      The International Day of Light on 16 May celebrates the role of light in science, culture, education and sustainable development.

    • International Day of Living Together in Peace

      AwarenessInternational

      The International Day of Living Together in Peace on 16 May encourages people to accept differences and live together in unity and harmony.

  14. Friday 17 May 2024

  15. Saturday 18 May 2024

    • International Museum Day

      AwarenessInternational

      International Museum Day on 18 May highlights the role of museums in society, with museums worldwide running events around a yearly theme.

  16. Sunday 19 May 2024

    • National Hepatitis Testing Day

      Awareness

      A US health day on 19 May that encourages people to get tested for viral hepatitis and find out their status.

    • Pentecost (Whit Sunday)

      Religious and culturalInternational

      Pentecost, also called Whit Sunday, falls seven weeks after Easter Sunday and celebrates the gift of the Holy Spirit.

    • World Fair Play Day

      AwarenessInternational

      World Fair Play Day on 19 May promotes respect, inclusion and fairness in sport, and opposes violence and doping.

  17. Monday 20 May 2024

    • International Clinical Trials Day

      AwarenessInternational

      A day on 20 May recognising clinical research and the people who take part in trials.

    • World Bee Day

      AwarenessInternational

      World Bee Day on 20 May raises awareness of bees and other pollinators and the need to protect them and their habitats.

    • World Metrology Day

      AwarenessInternational

      Marked on 20 May each year to highlight the science of measurement and the anniversary of the Metre Convention of 1875.

  18. Tuesday 21 May 2024

  19. Wednesday 22 May 2024

    • International Day for Biological Diversity

      AwarenessInternational

      The International Day for Biological Diversity on 22 May raises awareness of the loss of nature and the action needed to protect it.

    • National Maritime Day

      Awareness

      National Maritime Day on 22 May honours the US merchant marine and the people who work at sea.

  20. Thursday 23 May 2024

    • International Day to End Obstetric Fistula

      AwarenessInternational

      The International Day to End Obstetric Fistula on 23 May calls for action on a preventable childbirth injury that leaves many women injured and isolated.

    • World Turtle Day

      AwarenessInternational

      Held on 23 May, World Turtle Day raises awareness of turtles and tortoises and the threats to their survival and habitats.

  21. Friday 24 May 2024

    • International Day of the Markhor

      AwarenessInternational

      The International Day of the Markhor on 24 May raises awareness of a threatened wild mountain goat of Central and South Asia.

  22. Saturday 25 May 2024

  23. Sunday 26 May 2024

    • Trinity Sunday

      Religious and culturalInternational

      Trinity Sunday is the Christian festival of God as Father, Son and Holy Spirit, held on the Sunday after Pentecost, 56 days after Easter.

  24. Monday 27 May 2024

    • Memorial Day

      Public holidays

      A US federal holiday on the last Monday in May, remembering members of the armed forces who died in service.

  25. Wednesday 29 May 2024

    • International Day of UN Peacekeepers

      AwarenessInternational

      The International Day of UN Peacekeepers on 29 May honours peacekeepers and remembers those who have died serving under the UN flag.

  26. Thursday 30 May 2024

    • Corpus Christi

      Religious and culturalInternational

      Corpus Christi is a Christian feast giving thanks for Holy Communion, held on the Thursday after Trinity Sunday, 60 days after Easter.

    • International Day of Potato

      AwarenessInternational

      The International Day of Potato on 30 May celebrates one of the world's most important food crops and the farmers who grow it.

    • World MS Day

      AwarenessInternational

      A global awareness day for multiple sclerosis held on 30 May each year.

  27. Friday 31 May 2024

    • World No Tobacco Day

      AwarenessInternational

      World No Tobacco Day on 31 May raises awareness of the harm caused by tobacco and the tactics of the tobacco industry.