National Sourest Day is an annual celebration dedicated to all things sour – from tangy foods to tart attitudes. It’s a unique holiday that embraces the contrasts in life and celebrates the pucker-worthy moments.

Quick Facts

When is it?: October 25th annually
Tagged as: Food & Drink, Fun & Games, Snacks & Desserts
What’s the hashtag?: #SourestDay
When was it founded?: 1977
Who founded it?: Richard Ankli

History of Sourest Day

Richard Ankli from Ann Arbor, Michigan, created this holiday in 1977 to honor his friend whose last name was ‘Sauer’. What started as a personal tribute has evolved into a global celebration of all things sour, from foods to attitudes.

Timeline

  • 1977: Creation of Sourest Day in Ann Arbor, Michigan
  • 1980s: Holiday gains local recognition in Michigan
  • 1990s: Spreads across the United States
  • 2000s: Achieves international recognition
  • 2020s: Becomes widely celebrated on social media

Dates by Next Year

YearMonth and DateDay
2025October 25Saturday
2026October 25Sunday
2027October 25Monday
2028October 25Wednesday
2029October 25Thursday
2030October 25Friday

Observed

The day is celebrated by enjoying sour foods, candies, and embracing life’s contrasts. People participate by trying extreme sour candies, cooking with sour ingredients, or simply acknowledging the “sour” people in their lives with a smile.

Fun Facts About Sourest Day

  • The holiday follows shortly after Sweetest Day, creating a perfect balance
  • Sour foods can actually stimulate appetite and aid digestion
  • The human tongue can detect five basic tastes, with sour being one of them
  • Most sour candies get their tang from citric acid

Quiz

  1. Who created Sourest Day?
  2. What year was Sourest Day founded?
  3. What’s the significance of the founder’s friend’s last name?
    -(Answers: 1. Richard Ankli 2. 1977 3. His last name was Sauer)

FAQs

Q: Is this a global holiday?
A: While it originated in the US, it’s now celebrated worldwide.

Q: What foods are typically eaten?
A: Sour candies, citrus fruits, pickles, and fermented foods.

Related

  • National Sour Candy Day (July 18)
  • Sweetest Day (Third Saturday in October)
  • National Candy Day (November 4)
  • National Lemon Day (August 29)
  • World Food Day (October 16)