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 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...
The International Day of Human Space Flight is observed every year on 12 April, marking the anniversary of Yuri Gagarin's groundbreaking orbital flight in 1961. Declared by the United Nations General Assembly in 2011 through resolution A/RES/65/271, the day celebrates the dawn of the space era and reaffirms the importance of space science and technology...
What is World Parkinson's Day? World Parkinson's Day is an international awareness day observed on 11 April every year to raise public understanding of Parkinson's disease, a progressive neurological condition that affects movement, mood and many other aspects of daily life. The day is coordinated by Parkinson's organisations around the world and serves as a...
What is World Homeopathy Awareness Week? World Homeopathy Awareness Week is an annual international event that takes place from 10 April to 16 April each year. Organised by the World Homeopathy Awareness Organisation (WHAO), the week is dedicated to raising public awareness of homeopathy, celebrating its practitioners and sharing the experiences of those who use...
National Siblings Day is a heartfelt celebration of one of the most enduring relationships in life - the bond between brothers and sisters. Whether you grew up in a house full of noise and shared secrets or are reconnecting with a sibling later in life, this day is a reminder to appreciate those unique connections....
What is World Psycho-Oncology Day (WPOD)? World Psycho-Oncology Day is a global awareness day that shines a light on the vital role of psychological and emotional care in cancer treatment. This special day honours the extraordinary legacy of the late Dr. Jimmie Holland, whose pioneering work transformed how we understand and support the psychosocial needs...
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What is World Health Day? World Health Day is a global health awareness day observed on 7 April each year under the sponsorship of the World Health Organisation (WHO). The day marks the anniversary of the founding of the WHO in 1948 and serves as an opportunity to draw worldwide attention to a specific health...
Easter Monday falls on Monday, 6 April 2026, the day immediately following Easter Sunday. Observed in over 100 countries worldwide, it is a public holiday in much of Europe, Australia, parts of Africa, and several other regions. The day extends the Easter celebration and carries its own distinct traditions, from egg rolling and water-splashing customs...
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Celebrate Bell Bottoms Day on April 5 by embracing the bold style of the 1970s. Discover the history, cultural impact, and ways to join the fun.
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World Rat Day is observed on 4 April each year, celebrating domestic rats as intelligent, affectionate, and misunderstood pets. Created in 2002 by members of the Ratlist online community, the day aims to challenge negative stereotypes about rats and promote their welfare as companion animals. What is World Rat Day? World Rat Day is an...
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International Pillow Fight Day is a unique annual event celebrated by people around the world who come together for massive, organized pillow fights in public spaces. This playful and entertaining event promotes fun and social interaction, encouraging participants to let loose and enjoy a lighthearted battle with soft pillows. What is International Pillow Fight Day?...
World Aquatic Animal Day is observed on 3 April each year, raising awareness about the importance of aquatic animals and the threats they face from human activity. Founded in 2020 by the Aquatic Animal Law Initiative at Lewis & Clark Law School in Portland, Oregon, this day advocates for the legal protection and welfare of...
What is Good Friday? Good Friday is a Christian religious holiday commemorating the crucifixion of Jesus Christ and his death at Calvary. It is observed during Holy Week as part of the Paschal Triduum, the three-day period encompassing the Last Supper, the Crucifixion, and the Resurrection. Good Friday falls on the Friday immediately preceding Easter...
Walk to Work Day is a simple yet powerful reminder that small changes in our daily routines can lead to significant benefits for our health, communities, and the planet. In 2026, this awareness event will be observed on Friday, April 4, encouraging individuals across the UK to consider walking as a healthier and more sustainable...
Passover, known in Hebrew as Pesach, is one of the most significant festivals in Judaism. In 2026, Passover begins at sunset on Wednesday 1 April and continues through Thursday 9 April for Jewish communities in the Diaspora, or until Wednesday 8 April in Israel. The festival commemorates the liberation of the Israelites from slavery in...
World Autism Acceptance Week is a dedicated period focused on raising awareness, understanding, and acceptance of autism spectrum disorder (ASD). The week aims to celebrate the uniqueness of individuals with autism, promote inclusive practices, and educate the public about the challenges and strengths of those on the autism spectrum. It is a time for communities...