World Day for Animals in Laboratories
World Day for Animals in Laboratories raises awareness on April 24 about animal testing and promotes humane research alternatives.
Friday
What holiday is on April 24?
15 holidays and observances fall on April 24.
Scream Day
Scream Day is observed annually on April 24 to promote the health benefits of emotional release.
World Women’s Wellness Day
World Women’s Wellness Day is observed on the last Friday of April to encourage women to prioritize their health.
International Day of Multilateralism and Diplomacy for Peace
The International Day of Multilateralism and Diplomacy for Peace is held annually on April 24.
Fashion Revolution Day
Fashion Revolution Day is observed annually on April 24 to advocate for ethics and transparency in fashion.
Undiagnosed Day
Undiagnosed Day is held on the last Friday of April to support children with unnamed genetic conditions.
Coronation Day of Pope Benedict XVI
The Coronation Day of Pope Benedict XVI is held on April 24 to mark his formal 2005 inauguration.
National Arbor Day
National Arbor Day is observed on the last Friday of April to encourage tree planting and environmental care.
New Kids on the Block Day
New Kids on the Block Day is celebrated on April 24 to honor the legacy of the famous boy band.
National Pigs in a Blanket Day
National Pigs in a Blanket Day is held annually on April 24 to celebrate sausages wrapped in pastry.
Gathering of Nations (Pow Wow)
National Arbor Day is observed on the last Friday of April to encourage tree planting and environmental care.
National Skipping Day
National Skipping Day is held on April 24 to promote cardiovascular health and playful exercise.
National Hairball Awareness Day
National Hairball Awareness Day is held on the last Friday of April to promote feline health and grooming.
National Historic Marker Day
National Historic Marker Day is held on the last Friday of April to encourage the maintenance of local historical markers.
Kapyong Day
Kapyong Day is observed on April 24 to honor the soldiers who fought in the Battle of Kapyong.
Coming up next
World Penguin Day
Celebrate World Penguin Day learning about these unique birds and supporting efforts to protect their habitats and ensure their survival.
World Veterinary Day
World Veterinary Day on the last Saturday of April honors veterinarians and promotes animal health and welfare worldwide.
World Malaria Day
World Malaria Day raises global awareness about malaria and promotes efforts for its prevention, control, and eventual eradication.
World Disco Soup Day
Fight food waste with fun on World Disco Soup Day, the last Saturday of April—cook, dance, and make a difference!
International Marconi Day
International Marconi Day celebrates Marconi's groundbreaking work in wireless communication, honoring his legacy and inspiring innovation.
World Tai Chi and Qigong Da
World Tai Chi and Qigong Day is held on the last Saturday of April to promote global health and peace.
East Meets West Day
East Meets West Day honors the historic 1945 meeting of Allied troops at the Elbe River on April 25.
International Astronomy Day (Spring Astronomy Day)
International Astronomy Day is a bi-annual event held on a Saturday near the first quarter Moon.
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