A fresh platter of raw clams on the half shell arranged on a bed of crushed ice, garnished with lemon wedges and served with mignonette sauce

National Clams on the Half Shell Day is an annual event that celebrates the delicious, nutritious, and sustainable bivalve mollusk—clams. This day is perfect for seafood lovers to indulge in this classic dish, typically served raw on a bed of ice with lemon wedges and cocktail sauce. Whether you’re a seasoned seafood enthusiast or trying clams for the first time, this day offers a chance to appreciate their rich flavor and health benefits.

Quick Facts

When is it?
March 31st, annually.

Tagged as:
Food & Drink.

What’s the hashtag?
#NationalClamsOnTheHalfShellDay.

When was it founded?
The exact year of its founding is unknown.

Who founded it?
The founder remains unknown.

History of National Clams on the Half Shell Day

While the origins of National Clams on the Half Shell Day are unclear, clams have been enjoyed for centuries, particularly in coastal regions. The tradition of eating raw clams has deep roots in many cultures, and dishes like clams casino—dating back to 1917—have become staples in American seafood cuisine. This day celebrates not only the taste but also the cultural significance of clams in our diets.

Timeline

  • 507 AD: Ming the Clam, the oldest known clam, is born.
  • 2006: Ming the Clam is discovered by scientists researching climate change.
  • 1917: The famous clams casino dish is created at Narragansett’s Little Casino in Rhode Island.
  • March 31st, 2025: The next National Clams on the Half Shell Day will be celebrated.

Dates by Next Year

YearMonth + DateDay
2025March 31Monday
2026March 31Tuesday
2027March 31Wednesday
2028March 31Friday
2029March 31Saturday

Observed on National Clams on the Half Shell Day

On this day, people celebrate by enjoying fresh clams at home or at seafood restaurants. Some may try their hand at shucking clams or experimenting with new clam-based recipes. It’s also a great opportunity to share your love for clams on social media using hashtags like #NationalClamsOnTheHalfShellDay.

Fun Facts About National Clams on the Half Shell Day

  • Clams are filter feeders, helping improve water quality by filtering out pollutants.
  • The oldest clam ever found, Ming, lived for over 500 years.
  • Clams are rich in protein, iron, and vitamin B12, making them a healthy food choice.

Quiz

  1. What year was the famous clams casino dish created?
  2. What is the oldest known clam called?
  3. On which date is National Clams on the Half Shell Day celebrated?

(Answers: 1. 1917; 2. Ming; 3. March 31st)

FAQs

What are clams on the half shell?
Clams served raw on one half of their shell, often accompanied by lemon and cocktail sauce.

Is shucking clams difficult?
It can be tricky for beginners but with practice and proper tools, it becomes easier.

Importance of National Clams on the Half Shell Day

This day highlights not only a delicious seafood dish but also raises awareness about sustainable seafood practices. Clams are a renewable resource and play an important role in maintaining marine ecosystems.

Related Days

  • National Oyster Day
  • National Lobster Day
  • World Oceans Day