June 4, 2026, is the 155th day of the year, with 210 days remaining, and it falls on a Thursday — in the twenty-second week of the year.
With 12 national and international days on the calendar, June 4 carries a meaningful range of observances: Corpus Christi brings a major Christian feast to the day, the UN’s International Day of Innocent Children Victims of Aggression marks a 44-year-old commitment to protecting the world’s most vulnerable, and World AT Day highlights the 2.5 billion people who need assistive technology. The shopping cart turns 89 today, Corgis get their moment, and cheese — extraordinary amounts of cheese — is simply required.
National Days on June 4
All national & international days celebrated today
11 celebrations on this dayCorpus Christi
Observed 60 days after Easter Sunday, Corpus Christi — Latin for “Body of Christ” — is a solemnity in the Catholic and some Anglican and Lutheran traditions honouring the real presence of Jesus Christ in the Eucharist. In many countries it is a public holiday marked by outdoor processions carrying the Blessed Sacrament through decorated streets. In 2026 it falls on June 4.
National Cheese Day
The United States produces more cheese than any other country in the world — over 13 billion pounds per year — yet National Cheese Day on June 4 invites everyone to look beyond the familiar and explore the extraordinary breadth of this ancient food: from a creamy fresh chèvre to a crystalline aged Parmigiano-Reggiano, a funky Époisses to a mild young Gouda.
International Day of Innocent Children Victims of Aggression
Established by the UN General Assembly in 1982, this day on June 4 acknowledges the pain suffered by children throughout the world who are victims of physical, mental, and emotional abuse. It affirms the UN’s commitment to protecting the rights of children and working to end all forms of violence, conflict, and exploitation that target the most vulnerable.
National Cognac Day
Cognac — a variety of brandy produced in the Cognac region of southwestern France from specific white grape varieties, double-distilled in copper pot stills and aged in French oak — is one of the world’s most refined and regulated spirits. National Cognac Day on June 4 invites appreciation of a drink whose production rules have barely changed in three centuries.
Here’s every observance celebrated on June 4, 2026.
National & International Days on June 4
Whether you’re eating exceptional cheese, sipping Cognac, hugging a cat (carefully), celebrating clean beauty ingredients, honoring children affected by conflict, contemplating Corpus Christi, pushing a shopping cart in tribute, or daring to hope for something bigger, here’s the story behind each of these June 4 celebrations.
Audacity to Hope Day
Audacity to Hope Day encourages people to embrace optimism, perseverance, and personal growth. Celebrated annually on June 4, the day is dedicated to overcoming hardship with courage and faith in the future. It also serves as a reminder of collective struggles for human rights and positive change throughout history. Many use this day to reflect on victories—both personal and societal—that came from holding onto hope.
Biomedical Science Day
Biomedical Science Day* (First or second Thursday in June) was established in 2017 by the Institute of Biomedical Science (IBMS), which originally chose to celebrate it on the birthdate of IBMS founder Albert Norman as a tribute to his legacy. The date was later moved to June, and the observance now takes place annually across hundreds of hospitals in the UK and abroad, with the IBMS setting the specific Thursday each year. The day aims to raise public and professional awareness of biomedical science’s critical role in diagnosing, treating, and preventing disease, through activities like lab tours, interactive demonstrations, and social media campaigns.
International Corgi Day
International Corgi Day was created by the Omaha Corgi Crew in 2011 to honor the cheerful, short-legged breed known for its big personality. The day also raises awareness for rescue efforts and helps support corgi adoption initiatives. From meetups to fundraisers, corgi lovers around the world use the day to show appreciation for their furry companions.
🐶 A related observance National Dog Day is celebrated on August 26. See also our complete list of national days dedicated to dogs and their owners.
International Day of Innocent Children Victims of Aggression
International Day of Innocent Children Victims of Aggression was established by the United Nations on August 19, 1982. The day originally focused on the child victims of conflict in the Middle East, particularly during the Lebanon War, but has since expanded to acknowledge children affected by all forms of aggression worldwide. It brings attention to the violence children endure in war zones and underlines the UN’s commitment to protecting children’s rights.
National Cheese Day
National Cheese Day gives food lovers a reason to explore and enjoy the wide variety of cheeses made from cow, goat, sheep, or buffalo milk. From aged Parmesan to creamy Brie, cheese lovers can celebrate the science and art behind cheese making.
🧀 A related celebration, National Cheese Lover’s Day, takes place on January 20.
National Clean Beauty Day
National Clean Beauty Day was started by the clean haircare brand FEKKAI to promote sustainable, non-toxic beauty products. The day raises awareness about environmentally friendly packaging, ethical ingredient sourcing, and consumer education. Supporters are encouraged to advocate for cleaner personal care practices and shop from companies committed to sustainability.
ℹ️ There are actually two clean beauty days with the same name. One is celebrated on July 15 and was created by Juice Beauty. The other falls on June 4 and was founded in 2020 by the beauty brand Fekkai. Both days support the clean beauty movement, but they are backed by different companies and observed on different dates.
National Cognac Day
National Cognac Day pays tribute to the famous French brandy named after the town of Cognac in western France. Held every June 4, it highlights the craftsmanship and strict production standards behind this double-distilled spirit, which must age in French oak barrels for at least two years.
🥃 Cognac joins other spirit-themed observances like National Brandy Alexander Day on January 31 and National Wine Day on May 25. Make sure also to check out our complete list of national days dedicated to alcoholic drinks.
National Hug Your Cat Day
National Hug Your Cat Day is celebrated each year on June 4 as a reminder to show affection to feline companions. While not every cat enjoys being hugged, this day encourages bonding through gentle interaction and love. Petting and snuggling can reduce stress for both cats and their humans.
🐱 A similar celebration, International Cat Day, is observed on August 8. See also our complete list of national days dedicated to cats and their owners.
National Old Maid’s Day
National Old Maid’s Day honors unmarried women who have historically been labeled as “old maids.” The term once carried a negative connotation, but this day, first celebrated in 1948 by Marion Richards of Jeffersonville, Pennsylvania, recognizes the valuable contributions single women make to families, workplaces, and communities. Richards hoped the observance would one day gain popularity alongside Mother’s Day and Father’s Day.
National SAFE Day
National SAFE Day* (First Tuesday after Memorial Day) was founded in 2016 by the Brooklynn Mae Mohler Foundation. It promotes responsible gun ownership and safety. It was created in memory of Brooklynn, who died in 2013 due to an unsecured firearm in a friend’s home. SAFE stands for Secure all firearms, Ask about unsecured guns in other homes, Frequently talk about gun safety, and Educate others. The day encourages families to take proactive steps to prevent similar tragedies.
Shopping Cart Day
Shopping Cart Day celebrates the invention of the modern shopping cart, introduced on June 4, 1937, by Sylvan Goldman of the Humpty Dumpty supermarket chain in Oklahoma. Goldman designed the cart to help customers carry more items and shop longer. The innovation revolutionized the retail experience and remains a fixture in stores worldwide. This quirky observance recognizes a simple yet transformative idea in shopping history.
World Day for Assistive Technology
World Day for Assistive Technology was first observed in 2024 and launched by the organization Unlock the Everyday. The day advocates for global access to tools and devices that improve quality of life for people with disabilities or limitations. It focuses especially on providing assistive tech in low- and middle-income countries.
♿️ A related day, Global Accessibility Awareness Day (GAAD), occurs in May and highlights broader digital inclusion efforts.
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