• International Delegates’ Day

    International

    <![CDATA[International Delegates' Day is observed on 25 April each year, recognising the role of representatives and delegates of Member States to the United Nations. Proclaimed by the UN General Assembly in 2019, the day marks the anniversary of the opening of the San Francisco Conference in 1945, where delegates from 50 countries came together to...

  • World Penguin Day 2026

    International

    What is World Penguin Day? World Penguin Day is an annual awareness day celebrated on 25 April, dedicated to raising awareness about penguins, their habitats, and the conservation challenges they face. The date coincides with the approximate start of the annual northward migration of Adelie penguins in Antarctica, making it a natural moment to celebrate...

  • World Malaria Day 2026

    International

    World Malaria Day is observed annually on April 25th to raise awareness about malaria and the global efforts to control and ultimately eradicate the disease. This day is an opportunity to highlight the need for continued investment and sustained political commitment for malaria prevention and control. What is World Malaria Day? World Malaria Day is...

  • Global Intergenerational Week 2026

    International

    What Is Global Intergenerational Week? Welcome to Global Intergenerational Week, a campaign connecting everyone who is passionate about everything intergenerational. In its third year, the week looks to inspire individuals, groups, organisations, local/national government and NGO’s to fully embrace intergenerational practice, connecting people of all ages especially the younger and older generations. The campaign will...

  • National Newt Day 2026

    International

    What is National Newt Day? National Newt Day brings attention to providing suitable habitats for Great Crested Newts and other newts living in the UK. The initiative is led by Bath Spa University Environmental Science academics who annually run a ‘newt audit’ on the University’s Newton Park Campus, which is a living lab and proud...

  • World Spanish Language Day

    International

    <![CDATA[World Spanish Language Day is observed on 23 April each year, celebrating the history, culture, and global reach of the Spanish language. Established by the United Nations Department of Public Information in 2010, the day is part of a broader initiative to promote multilingualism and cultural diversity across the UN's six official languages. The Story...

  • World Book and Copyright Day 2026

    International

    World Book and Copyright Day takes place on 23 April each year and is a UNESCO-designated international observance celebrating books, reading, and the legal protections that safeguard authors' intellectual property. Established in 1995, the day honours the literary contributions of writers past and present while encouraging people of all ages to pick up a book....

  • World Book Night 2026

    International

    What is World Book Night? World Book Night is an annual celebration of reading and books, held on 23 April each year. The event is coordinated by The Reading Agency, a national charity that works to tackle life's big challenges through the proven power of reading. World Book Night aims to reach people who do...

  • Saint George’s Day 2026

    International

    Saint George’s Day is a celebration in honor of Saint George, the patron saint of England and several other countries and regions. This day is marked by various festivities that celebrate English culture and heritage, as well as the legendary story of Saint George, who is famously known for slaying a dragon to save a...

  • English Language Day 2026

    International

    English, along with French, is one of the two working languages of the United Nations Secretariat, and one of the Organization's six official languages. Because it is so widely spoken, English is often referred to as a "world language", or the lingua franca of the modern era. English Language Day is a United Nations (UN)...

  • World PI Week 2026

    International

    World PI Week is a global awareness campaign dedicated to improving understanding, early diagnosis, and access to treatment for individuals living with primary immunodeficiencies (PI). These are a group of over 450 rare, chronic disorders in which part of the body's immune system is either missing or functions improperly. Held annually in April, World PI...

  • International Mother Earth Day 2026

    International

    International Mother Earth Day is a global observance dedicated to raising awareness about the importance of protecting our planet and promoting environmental sustainability. This day emphasizes the interconnectedness of all living beings and the Earth, recognizing the need for collective action to address environmental challenges such as climate change, pollution, and biodiversity loss. It is...

  • World Creativity and Innovation Day 2026

    International

    World Creativity and Innovation Day is a United Nations-recognised international observance held every year on 21 April. Established by UN General Assembly resolution A/RES/71/284, the day encourages individuals, organisations, and governments to embrace creative thinking and innovation as essential tools for economic growth, social progress, and sustainable development. What is World Creativity and Innovation Day?...

  • 420 Day 2026

    International

    April 20th, known popularly as 420 Day, has become a globally recognised date for cannabis culture. While its roots are informal, the day has evolved into a symbolic observance for cannabis enthusiasts, advocates of legalisation, and those supporting medical marijuana access. Across many cities, the day is marked by rallies, educational campaigns, and social gatherings....

  • Bicycle Day

    International

    Bicycle Day is observed on 19 April each year, marking the date in 1943 when Swiss chemist Albert Hofmann undertook the first intentional LSD trip and his now-legendary bicycle ride home through the streets of Basel, Switzerland. The day is recognised internationally as a milestone in the history of psychedelic science and pharmacology. What is...

  • World Haemophilia Day 2026

    International

    World Haemophilia Day is an international observance dedicated to raising awareness about haemophilia and other bleeding disorders. The day aims to increase understanding of these conditions, promote access to care and treatment, and highlight the importance of early diagnosis. It is a time to support those living with haemophilia and their families, and to advocate...

  • International Microvolunteering Day 2026

    International

    You would be amazed at how much your little effort and mine can go a long way in making the world a better place. That is the whole essence of micro-volunteering and hence the micro-volunteering day. Held on the 15th of April, the day is meant to showcase the power of coming together with the...

  • National Dolphin Day

    International

    National Dolphin Day is observed on 14 April each year, raising awareness about the conservation and welfare of dolphins worldwide. Created by the Earth Island Institute in 1990, the day was originally established as part of a campaign to protect dolphins from harmful tuna fishing practices in the Pacific Ocean. Today, it serves as a...

  • World Chagas Disease Day

    International

    <![CDATA[World Chagas Disease Day is observed on 14 April each year, raising global awareness about Chagas disease, a neglected tropical disease caused by the parasite Trypanosoma cruzi. Established by the World Health Organization (WHO) in 2020, the day highlights the urgent need for early diagnosis, treatment, and prevention of a disease that affects an estimated...

  • International Dark-Sky Week 2026

    International

    Join the International Dark-Sky Association for seven days of celebration, learning, and action! 2026 International Dark Sky Week is, April the 21st – the 28th! Created in 2003 by high-school student Jennifer Barlow, International Dark Sky Week has grown to become a worldwide event and a key component of Global Astronomy Month. Each year it...

  • National Scrabble Day 2026

    International

    National Scrabble Day takes place on 13 April each year, marking the birthday of Alfred Mosher Butts, the American architect who invented one of the world's most popular board games. The day celebrates the joy of wordplay, the thrill of triple-word scores, and the enduring appeal of a game that has sold over 150 million...