April 27 National Days

April 27 is the 117th day of the year (118th in leap years), with 248 days remaining until the end of 2025. On this date, 17 national and international observances take place—some commemorating historical figures and inventions, others celebrating cultural awareness, design, storytelling, and even some tasty foods.

National Days on April 27th — April 27th National Days

Here’s a closer look at the days celebrated on April 27.

National and International Days on April 27

Autism Super Mom Day: Held each year during Autism Awareness Month, Autism Super Mom Day celebrates the resilience and devotion of mothers raising children on the autism spectrum. These moms are often labeled “super moms” for their tireless support, advocacy, and love. The day also encourages mothers to seek support, take time for self-care, and connect with others who understand their unique journey.

Deaf Parents Day / Mother Father Deaf Day* (Last Sunday in April): Created in 1996, this day honors deaf parents and the children they raise, particularly those known as CODAs (Children of Deaf Adults). Inspired by Paul Preston’s book Mother Father Deaf and first proposed by Trudy Schafer, the day celebrates the bilingual, bicultural experiences within families and emphasizes the contributions deaf parents make to their communities. CODA International continues to promote awareness through storytelling, media, and community celebrations.

International Design Day: Observed annually since 1995, International Design Day marks the founding of the International Council of Design on April 27, 1963. Initially known as World Graphics Day, this celebration has evolved into a global event promoting how thoughtful, innovative design can improve lives. Each year, a different theme highlights how design plays a crucial role in solving social challenges and enhancing quality of life across the world.

International Donor Conception Awareness Day: This awareness day sheds light on families formed through donor conception, including egg and sperm donation and assisted reproductive technologies. The goal is to promote transparency, remove stigma, and advocate for access to genetic and medical information for donor-conceived individuals. The day also highlights the rights of donors and encourages broader understanding and acceptance of all paths to parenthood, including those within LGBTQ+ communities.

Marine Mammal Rescue Day: Introduced in California by Senator Toni Atkins in 2017, this day emphasizes the need to protect vulnerable marine mammals that are often stranded, orphaned, or injured. Many of these animals struggle to survive due to climate change, ocean pollution, and human activity. Marine Mammal Rescue Day supports global conservation efforts, spotlighting the dedicated organizations that rehabilitate and return these animals to the wild.

Morse Code Day: Celebrated each year on April 27 in honor of Samuel Morse’s birthday, Morse Code Day recognizes the impact of one of the earliest forms of long-distance communication. Developed in the 1830s, Morse Code revolutionized how messages were transmitted, especially across telegraph lines. Using dots and dashes to encode text, it was a precursor to modern digital communication and remains a part of emergency signaling today.

National Babe Ruth Day: First observed in 1947, this day honors baseball legend George Herman “Babe” Ruth, Jr. Known as “The Sultan of Swat,” Ruth transformed the game with his record-breaking power at the plate. After playing for the Boston Red Sox, New York Yankees, and briefly the Boston Braves, he was one of the first five players inducted into the National Baseball Hall of Fame in 1936. National Babe Ruth Day began after Ruth’s cancer diagnosis, and a special ceremony at Yankee Stadium brought together 58,000 fans to celebrate his legacy.

National Devil Dog Day: This unique observance connects military history with American snack culture. The term “Devil Dog” originated during World War I when German soldiers reportedly referred to U.S. Marines as “Teufel Hunden” for their fierce fighting spirit. In 1926, the name was adopted by Drake’s for its Devil Dogs—cream-filled chocolate snack cakes that became a nostalgic favorite across generations. The day was later established by Sean Alexander Sobel in tribute to his grandfather.

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National Gummi Bear Day: Established by HARIBO® to commemorate the 100th anniversary of the original gummi bear, this day celebrates a candy that began in 1922 when German confectioner Hans Riegel created the first bear-shaped gummy treat. Originally inspired by dancing bears seen at festivals, these fruit-flavored candies gained international popularity for their playful design and chewy texture. National Gummi Bear Day highlights the enduring appeal of this confection, tracing its evolution from a local German sweet to a globally recognized symbol of gummy candy.

National Little Pampered Dog Day: Created in 2016 by Lourdes Welhaven, publisher of Little Pampered Dog magazine, this day celebrates the special bond between people and their small dog companions. It recognizes the care and affection many pet owners provide—through grooming, treats, and attention—while also drawing attention to the needs of rescue dogs and those still awaiting adoption. Beyond pampering, the day encourages reflection on responsible pet ownership, the importance of providing a safe and loving environment, and the emotional benefits that dogs bring to human lives.

🐾 For more dogs, cats, and pets national days, visit the dedicated pages or use the search feature on our website to find exactly what you’re looking for!

National Pet Parents Day* (Last Sunday in April): Established in 2007 by Veterinary Pet Insurance (VPI), this day acknowledges the dedication and care provided by individuals who treat their pets as family members. It highlights the growing cultural recognition of the human-animal bond and the responsibilities that come with pet ownership, including regular veterinary care, proper nutrition, daily exercise, and emotional companionship. National Pet Parents Day serves as a reminder of the essential role pet caregivers play in promoting animal welfare and nurturing the well-being of their furry, feathered, or scaled companions.

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National Pneumatics Day: Celebrated on April 27 to coincide with the founding of S.M.C. Corporation in 1959, this day highlights the role of pneumatics in modern industry. Pneumatics refers to the use of compressed air in mechanical systems and is essential for automation, efficiency, and precision in manufacturing. S.M.C. Corporation of America uses the day to educate industries on maintaining clean, dry air systems and promoting sustainable factory operations.

National Prime Rib Day: This food-centered observance highlights the prime rib, a traditional roast cut from the rib section of beef—one of the eight primal cuts used in butchery. Also known as a standing rib roast, prime rib is typically prepared by slow-roasting and seasoned with herbs and spices such as garlic, rosemary, salt, and pepper. The day offers an opportunity to learn about meat preparation techniques, the structure of beef cuts, and the dish’s role in American cuisine.

National Tell a Story Day: This day highlights the cultural and educational value of storytelling. It encourages individuals of all ages to share narratives—drawn from books, personal experiences, oral traditions, or imagination. Storytelling has long served as a way to pass down knowledge, preserve history, and strengthen social bonds across generations. From recounting family memories to inventing new tales, participants help keep this timeless tradition alive, showcasing how stories can inform, inspire, and connect communities.

World Pinhole Photography Day* (Last Sunday in April): This international observance invites people around the world to explore the fundamentals of photography through the use of pinhole cameras—simple devices without lenses that rely on a tiny aperture to project an image onto film or a sensor. The day was established to celebrate the unique aesthetic and educational value of pinhole photography, encouraging a hands-on understanding of light, exposure, and image-making. Participants are encouraged to take a pinhole photograph on this day and share it in a global online gallery, highlighting both the artistic and historical aspects of this early photographic technique.

📸 A similar day, World Photography Day, is celebrated on August 19th. This day marks the date in 1839 that the government in France purchased the patent for the Daguerreotype process.

World Tapir Day: First celebrated in 2008, this day raises awareness of tapirs—large herbivorous mammals found in Central and South America and Southeast Asia. With their short, prehensile trunks and shy nature, tapirs play a vital role in their ecosystems as seed dispersers. Unfortunately, many species are endangered due to habitat loss and poaching. World Tapir Day promotes conservation and education to ensure the survival of these unique creatures.

Woody Woodpecker Day: This day recognizes the cultural and historical significance of Woody Woodpecker, a cartoon character created by animator Walter Lantz in 1940. Woody became widely known for his distinctive laugh, unpredictable antics, and appearances in theatrical shorts during the golden age of American animation. As one of Universal Studios’ most famous cartoon icons, he played a key role in shaping mid-20th-century animated entertainment.