National Walnut Day
Sunday, May 17, 2026 · May 17 every year
The story
Walnuts boast a rich history dating back to 7000 B.C. in ancient Persia, earning the title of the Royal Nut and a place reserved for royalty. Alexander the Great introduced them to Greece, where they became known as the Persian Nut. The Greeks imported Persian cultivars to enhance their breeds. Spread by the Roman Empire, walnuts reached the British Isles, leading to the distinction between ”English walnut“ and black walnut. In Southern California, Franciscan Fathers cultivated walnuts, earning them the name ”mission walnuts.“ Today, California walnuts dominate the global industry. National Walnut Day, established by the Walnut Marketing Board in 1949, celebrates this nutritious nut. U.S. President Dwight D. Eisenhower further solidified its significance by declaring it a public holiday in 1958. Walnuts offer impressive health benefits: 1. **Rich in Antioxidants:** With the highest antioxidant content among common nuts, walnuts combat oxidative damage and reduce ”bad“ cholesterol. 2. **High in Healthy Fat:** Providing essential omega-3 fat (ALA), crucial for heart disease prevention. 3. **Gut Health:** Walnuts support beneficial bacteria and microbes, promoting overall gut health. 4. **Anti-Inflammatory:** Packed with nutrients like polyphenols, walnuts combat oxidative stress and inflammation, potentially benefiting heart disease, type 2 diabetes, Alzheimer's, and cancer.
About National Walnut Day
- When is National Walnut Day?
- National Walnut Day falls on Sunday, May 17, 2026 (May 17 every year).
- Which country is National Walnut Day from?
- National Walnut Day is on the United States Food Holidays calendar.
- How do you celebrate National Walnut Day?
- There isn’t a single official way to celebrate. Read the story on this page, then cook or order walnut. The iOS app’s Where to Eat can help you find walnut nearby — this website does not list restaurants.
- Does National Walnut Day happen every year?
- Yes. National Walnut Day recurs on May 17 every year.