Annual observance

Dinosaur Day

June 1 Nature / Outdoors Updated 2026-07-08

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Overview

Dinosaur Day, observed annually on June 1st, is an unofficial holiday dedicated to celebrating these magnificent prehistoric creatures that once roamed the Earth. It encourages people of all ages to learn about dinosaur paleontology, their diverse species, their ancient habitats, and the scientific discoveries that continue to shape our understanding of their millions of years of existence.

Why it matters: Dinosaur Day on June 1 celebrates the fascinating world of dinosaurs, highlighting their diverse species and ancient habitats. This holiday fosters a deeper appreciation for paleontology and the scientific discoveries that enhance our understanding of Earth's history and biodiversity.

Origin and story

The word "dinosaur" was coined in 1842 by British paleontologist Richard Owen, meaning "terrible lizard."

Birds are considered the direct descendants of avian dinosaurs, making them modern-day dinosaurs.

Quick facts

  • DateJune 1
  • TypeNature / Outdoors
  • Great forGardeners, Hikers, Eco clubs

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Ways to celebrate

Dinosaur Day celebrates a word invented in 1842 for creatures that, in a real sense, are still alive today — as birds.

See them for yourself

Celebrate by:

  • Visiting a natural history museum or looking up dinosaur fossils near where you live.
  • Watching a documentary about a specific species instead of dinosaurs in general.
  • Taking a kid to look at birds today and mentioning the dinosaur connection.

Learn where the word came from

Helpful resources:

Did you know?

Paleontologist Richard Owen coined the word "dinosaur" in 1842 for a group of fossils that included Megalosaurus and Iguanodon — and birds are now understood to be their direct living descendants.

Fun facts

  • The word "dinosaur" was coined in 1842 by British paleontologist Richard Owen, meaning "terrible lizard."
  • Birds are considered the direct descendants of avian dinosaurs, making them modern-day dinosaurs.
  • Dinosaurs dominated Earth for over 165 million years, spanning the Triassic, Jurassic, and Cretaceous periods.

Sources and attribution

Dinosauria: How the 'Terrible Lizards' Got Their Name (Natural History Museum, London)

External links may lead to third-party websites.


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FAQ

When is Dinosaur Day?
It is observed on June 1 each year.
What is Dinosaur Day?
Dinosaur Day, observed annually on June 1st, is an unofficial holiday dedicated to celebrating these magnificent prehistoric creatures that once roamed the Earth. It encourages people of all ages to learn about dinosaur paleontology, their diverse species, their ancient habitats, and the scientific discoveries that continue to shape our understanding of their millions of years of existence.
How do people celebrate Dinosaur Day?
Learn something new about dinosaurs — the word was coined in 1842 by paleontologist Richard Owen and means 'terrible lizard,' and birds are technically their direct descendants.

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