July 21, 2026, is the 202nd day of the year, with 163 days remaining, and it falls on a Tuesday — in the thirtieth week of the year.
With 9 national and international days on the calendar, July 21 is compact but full of personality. National Junk Food Day needs no defence. National Lamington Day brings Australia’s chocolate-and-coconut sponge cake to the world’s attention. No Pet Store Puppies Day takes a clear ethical stand. Invite an Alien to Live with You Day is one of the most charmingly absurdist entries in the entire national days calendar, an invitation to practice hospitality with no boundaries whatsoever.
National Days on July 21
All national & international days celebrated today
9 celebrations on this dayNational Junk Food Day
National Junk Food Day on July 21 is an unabashed celebration of the foods we love but probably should not eat every day — chips, candy, fast food, soda, and everything else that nutritionists politely describe as “discretionary.” The day has no founder and needs no justification: it exists because sometimes a bag of crisps and a fizzy drink is exactly what Tuesday calls for, and guilt has no place at this particular table.
National Lamington Day 🇦🇺
The lamington — a square of sponge cake dipped in chocolate icing and rolled in desiccated coconut — is one of Australia’s most beloved national foods, and July 21 is its dedicated day. Named after Lord Lamington, Governor of Queensland from 1896 to 1901, the lamington has been a fixture of Australian school fundraisers, afternoon teas, and bakeries for over a century, and remains one of the country’s most enduring edible icons.
No Pet Store Puppies Day
No Pet Store Puppies Day on July 21 raises awareness of the puppy mill industry — large-scale commercial dog breeding operations that prioritise profit over animal welfare, producing puppies for sale in pet stores under conditions that frequently cause physical and psychological harm. The day advocates for adopting from shelters or buying from responsible, ethical breeders who allow buyers to visit the breeding environment and meet the puppy’s parents.
Invite an Alien to Live with You Day
Invite an Alien to Live with You Day on July 21 is one of the calendar’s most delightfully absurdist observances — a lighthearted invitation to imagine what it would be like to share your home with a visitor from another world, and by extension, to reflect on hospitality, openness, and the assumptions we make about who belongs and who doesn’t. Whether taken literally or metaphorically, it is a day for expansive thinking.
Here’s every observance celebrated on July 21, 2026.
National & International Days on July 21
Whether you’re eating junk food, baking a lamington, advocating against puppy mills, crafting for your local shelter, celebrating Collies, taking a monkey to lunch, being someone for someone, raising a glass at 21, or leaving the porch light on for a potential alien houseguest, here’s the story behind each of these July 21 celebrations.
Invite an Alien to Live with You Day
Invite an Alien to Live with You Day began as a playful tribute to the 1970s sitcom Mork & Mindy, starring Robin Williams as a quirky alien trying to understand human life. The date, July 21, honors Williams’s birthday and celebrates the show’s message of acceptance and curiosity. While not launched by an official organization, the day has appeared on novelty calendars since the early 2000s, encouraging people to embrace kindness toward outsiders—fictional or otherwise.
National Be Someone Day
National Be Someone Day was founded by Project Harmony to raise awareness about child abuse and promote positive adult influence in children’s lives. The day challenges individuals to take just ten seconds to make a difference—by speaking up, showing support, or taking action to protect a child. It also highlights the importance of community education, encouraging people to learn about the signs of abuse and how to report it.
National Craft for Your Local Shelters Day
National Craft for Your Local Shelters Day encourages people to create and donate handmade items to support animal shelters. Founded in 2012 by blogger Erika Lindquist, the day offers a practical and personal way to help shelter animals—especially during the busy summer season. From pet beds to “adopt me” bandanas, crafts made with love can improve conditions for animals awaiting homes while helping shelters stretch their resources.
National Junk Food Day
National Junk Food Day gives people permission to enjoy snacks and treats that don’t usually fit into a healthy diet. Although the term “junk food” didn’t emerge until the 20th century, mass production and packaging of such snacks began in the late 1800s and grew rapidly after World War II. This day highlights the cultural role of these foods—even as their nutritional value remains questionable.
National Lamington Day
National Lamington Day honors one of Australia’s most beloved desserts. A lamington is a sponge or butter cake coated in chocolate and rolled in desiccated coconut, sometimes with jam or cream inside. The treat is named after Lord Lamington, Governor of Queensland from 1896 to 1901. While the exact origin is debated, recipes began appearing around 1900, and the cake quickly became a culinary symbol. National Lamington Day has been celebrated on July 21 since 2006.
National Legal Drinking Age Day
National Legal Drinking Age Day commemorates the passage of the National Minimum Drinking Age Act of 1984, which set 21 as the legal drinking age across the United States. While the law was signed on July 17, July 21 is often used to mark the day—coinciding with the birthday of author Ernest Hemingway, who was famously fond of cocktails. The day also acknowledges the advocacy work of Mothers Against Drunk Driving (MADD), whose efforts helped reduce alcohol-related accidents and promote responsible drinking.
See also our list of 14 observance related to sobriety or alcohol-reduction themes.
No Pet Store Puppies Day
No Pet Store Puppies Day was launched in 2011 by the ASPCA to raise awareness about the connection between pet stores and puppy mills. These commercial breeding operations often prioritize profit over animal welfare, leading to poor conditions and health problems for dogs. The day urges people to adopt from shelters or work with responsible breeders, rather than purchasing puppies from stores that may be tied to unethical practices.
Take a Monkey to Lunch Day
Take a Monkey to Lunch Day marks the anniversary of the conclusion of the 1925 Scopes Monkey Trial, in which high school teacher John T. Scopes was tried for teaching evolution in violation of Tennessee law. Though the trial was largely symbolic, it sparked national debate on science and religion. The name of the day is playful, but it also serves to raise awareness about primates and the importance of protecting their habitats. It encourages learning about monkeys, apes, and lemurs—and the challenges they face in the wild.
World Collie Day
World Collie Day honors the whole Collie family, including Border, Rough, Smooth, Bearded, and Shetland Sheepdog varieties. It has no official founder and it grew organically through online communities celebrating the dogs’ intelligence, loyalty, and herding heritage.
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