Two sandwich cookies beside a glass of milk in a playful still life, a warm editorial paper-craft illustration in the CompliCalendar style.
National Oreo Day marks the cookie's 1912 debut.

National Oreo Day

Saturday, March 6, 2027

America's favorite cookie deserves its own celebration. Share some Oreos with your team!

Background

The Oreo debuted on March 6, 1912, when the first one was sold to a grocer in Hoboken, New Jersey. National Oreo Day marks that anniversary, and it remains one of the best-selling cookies in the world.

How to celebrate at work

  • Set out Oreos with milk in the breakroom.
  • Run a friendly 'best Oreo dunk technique' debate or taste-test of flavors.
  • Pair the treat with a quick team shout-out round.
#food#cookies#morale

Add to your calendar

Reviewed Saturday, June 13, 2026. Dates can change and exceptions apply — confirm with the official source. Not legal advice.

Frequently asked questions

When is National Oreo Day?

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March 6 — the anniversary of the first Oreo sale in 1912.

Sources & further reading