World Art Day
World Art Day honors the birthday of Leonardo da Vinci and promotes global creativity every April 15.
Wednesday
24 holidays and observances fall on April 15.
World Art Day honors the birthday of Leonardo da Vinci and promotes global creativity every April 15.
McDonald's Day celebrates the 1955 opening of the first franchised restaurant every April 15.
National Anime Day celebrates the art and global impact of Japanese animation every April 15.
International Biomedical Laboratory Science Day honors the crucial contributions of biomedical laboratory scientists in global healthcare.
Titanic Remembrance Day honors the lives lost in the 1912 maritime disaster every April 15.
World Day of Culture promotes the protection of artistic and scientific heritage every April 15.
Universal Day of Culture honors the protection of global heritage and artistic institutions every April 15.
Type 1 Diabetes Day in Honor of Jakya Monique Furtick raises awareness about Type 1 Diabetes and commemorates of Jakya Monique Furtick.
Micro-volunteering Day encourages small acts of service for big social impact every April 15.
Youth Homelessness Matters Day raises awareness for displaced youth every third Wednesday of April.
National Banana Day celebrates the world's most popular fruit every third Wednesday of April.
National ASL Day celebrates the history and language of the American Deaf community every April 15.
National Laundry Day recognizes the history and essential role of washing clothes every April 15.
National Griper's Day provides a designated time for people to vent their daily frustrations every April 15.
Take A Wild Guess Day encourages trusting intuition and making bold predictions every April 15.
Jackie Robinson Day honors the anniversary of the first Black player in modern MLB every April 15.
National Glazed Spiral Ham Day celebrates the invention of the spiral-sliced ham and its signature glaze every April 15.
Purple Up Day celebrates the resilience of military children by wearing purple every April 15.
Father Damien Day honors the missionary who served leprosy patients on Molokai every April 15.
National Rubber Eraser Day celebrates the invention of the pencil-mark remover every April 15.
Tax Day is the annual deadline for Americans to file their federal income tax returns, typically held on April 15.
That Sucks Day acknowledges historical misfortunes and tax deadlines every April 15.
One Boston Day honors marathon bombing victims through acts of kindness every April 15.
National Canadian Film Day is observed in mid-April to celebrate the talent and stories of the Canadian film industry.
World Semicolon Day promotes mental health awareness and suicide prevention, symbolizing hope and the choice to continue life's journey.
International Pizza Cake Day honors the delightful fusion of pizza and cake, encouraging culinary creativity and indulgence.
Foursquare Day is a social media holiday celebrating location-based networking and local discovery every April 16.
Save the Elephant Day is a global conservation campaign to protect elephants from poaching and habitat loss every April 16.
World Voice Day is a global annual event dedicated to recognizing the importance of the human voice and the maintenance of vocal health every April 16. This day serves as…
Charlie Chaplin Day celebrates the birthday and cinematic legacy of the legendary silent film icon every April 16.
National Pajama Day celebrates comfort and supports children in need every year on April 16.
National Librarian Day is a day to honor the professional expertise and community service of librarians every April 16.