Morse Code Day
Morse Code Day on April 27 celebrates Samuel Morse and the invention that revolutionized global communication.
Sunday
April 27
24 holidays and observances fall on this day.
International Design Day
World Design Day recognizes the impact of design on society every year on April 27.
World Tapir Day
World Tapir Day raises awareness for the conservation of endangered tapirs every April 27.
International Donor Conception Awareness Day
International Donor Conception Awareness Day promotes openness in donor-assisted families every April 27.
Mother Father Deaf Day
Mother Father Deaf Day celebrates Deaf parents and their children on the last Sunday of April.
London Marathon
The London Marathon is a major international race held on the last Sunday of April to celebrate endurance and charity.
World Pinhole Photography Day
World Pinhole Photography Day is observed on the last Sunday of April to celebrate lens-free art and optics.
Marine Mammal Rescue Day
Marine Mammal Rescue Day on April 27 honors the rescue and rehabilitation of marine mammals and raises awareness about ocean conservation.
National Little Pampered Dog Day
National Little Pampered Dog Day honors devoted dog owners and their pets every April 27.
National Babe Ruth Day
National Babe Ruth Day honors the legendary career of baseball’s greatest icon every April 27.
Autism Super Mom Day
Autism Super Mom Day celebrates the strength of mothers raising autistic children every April 27.
National Tell A Story Day
National Tell A Story Day celebrates the art of narrative and oral tradition every April 27.
National Prime Rib Day
National Prime Rib Day celebrates the "King of Roasts" every year on April 27.
Woody Woodpecker Day
Woody Woodpecker Day celebrates the iconic animated bird and his famous laugh every April 27.
National Devil Dog Day
National Devil Dog Day honors the U.S. Marine Corps and a classic snack cake every April 27.
Mantanzas Mule Day
Matanzas Mule Day honors a mule killed in the Spanish-American War and is held every April 27.
Free Feral Cat Spay Day
Free Feral Cat Spay Day promotes humane population control for community cats every April 27.
National Teach Children To Save Day
National Teach Children To Save Day promotes financial literacy on April 27.
National Pneumatics Day
National Pneumatics Day is observed on April 27. This holiday highlights the significant role that compressed air technology plays in supporting global industrial automation and sustainable manufacturing practices. Pneumatic systems…
Sierra Leone Independence Day
Sierra Leone Independence Day commemorates the nation's 1961 freedom from British rule every April 27.
Freedom Day in South Africa
Freedom Day commemorates South Africa's first democratic elections held every April 27.
Togo Independence Day
Togo Independence Day celebrates the nation's 1960 transition to sovereignty every April 27.
National Stop Snoring Week
National Stop Snoring Week is a health awareness event held annually in late April to help the public achieve quieter, healthier sleep.
Abolition Day
Abolition Day on April 27 honors the end of slavery in French overseas territories. Learn about its history, importance, and how to celebrate this public
Coming up next
Save the Frogs Day
Join the global effort to protect amphibians on Save the Frogs Day, April 28—raising awareness and taking action for frog conservation.
World Day for Safety and Health at Work
Occupational Safety & Health Day is observed on April 28 to promote safe and healthy working environments worldwide.
Biological Clock Day
Discover how your body’s internal clock affects health and well-being on Biological Clock Day, April 28.
Workers Memorial Day
Workers Memorial Day is observed every year on April 28 to remember those killed or injured at work.
Kiss Your Mate Day
Kiss Your Mate Day is celebrated every year on April 28 to encourage couples to express affection through kissing.
Global Pay It Forward Day
Global Pay It Forward Day is observed on April 28 to encourage a worldwide chain reaction of kindness and giving.
National Superhero Day
National Superhero Day, honoring both fictional superheroes and real-life heroes who inspire us through their courage and selflessness.
National Blueberry Pie Day
National Blueberry Pie Day is observed every year on April 28 to celebrate the start of the blueberry season.
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