NATIONAL DAYSCIENCE & TECH

National Megalodon Day

Join us in honoring a magnificent creature with a fascinating history.

JUN15
Tuesday, June 15Every year on June 15
 days to go
Roots
Proclaimed in 2021; marks the Aurora Fossil Museum's 1978 opening
Vibe
A mix of curiosity and conservation awareness.
Hashtag
#NationalMegalodonDay
Apple or Outlook calendar

3 ways to celebrate

AT HOME

Shark movie night

Watch a shark documentary and marvel at how massive these ancient sharks were.

WITH FRIENDS

Aquarium shark visit

Tour the shark exhibit together and compare jaws at the gift shop.

AT WORK OR SCHOOL

Shark fact drop

Share one jaw-dropping shark fact with coworkers. Everyone loves a good jaw pun.

Plan ahead

National Megalodon Day is observed on June 15 every year. Here is where it lands for the next ten years, handy for planners, marketers and party people.

2026Mon, Jun 15this year
2027Tue, Jun 15
2028Thu, Jun 15
2029Fri, Jun 15
2030Sat, Jun 15
2031Sun, Jun 15
2032Tue, Jun 15
2033Wed, Jun 15
2034Thu, Jun 15
2035Fri, Jun 15
2036Sun, Jun 15

Add to my calendar (repeats yearly)

Fast facts

Megalodon lived approximately 23 to 3.6 million years ago.
Could grow up to 60 feet long.

The story

Megalodon, the largest shark to ever roam the Earth, is a fascinating subject that continues to capture our imagination. This colossal predator is believed to have existed from the early Miocene to the Pliocene epochs, dominating the oceans over 23 million years ago. With teeth measuring over seven inches, Megalodon was not only a formidable hunter but also an essential part of marine ecosystems during its time. Today, on National Megalodon Day, we celebrate its legacy and the importance of marine biodiversity.

Read the full story

June 15 marks the annual observance of National Megalodon Day, a day created to raise awareness about sharks and their conservation. The origin of this day can be traced back to 2021, when National Day Calendar proclaimed National Megalodon Day to honor the Aurora Fossil Museum and its flagship fossil. This observance encourages citizens to engage with their local communities, schools, and conservation organizations to foster a deeper understanding of marine life.

Sharks play a crucial role in maintaining the health of our oceans. As apex predators, they help regulate the populations of other marine animals, ensuring balance within the ecosystems. However, many shark species today face significant threats due to overfishing, habitat loss, and climate change. National Megalodon Day serves as a reminder not only of the Megalodon’s grandeur but also of the urgent need to protect our oceans and their inhabitants.

To celebrate National Megalodon Day, individuals and families can partake in various activities that promote marine awareness. Whether visiting aquariums, participating in beach clean-ups, or enjoying documentaries about marine life, there are countless ways to honor the legacy of the Megalodon. By coming together to learn and advocate for marine conservation, we can ensure that future generations will have the opportunity to appreciate the wonders of the ocean.

Keep the party going

See the calendar
FROM THE NATIONAL DAY CALENDAR STORE

Celebrate every day, all year

Official gear from the people who track 1,700+ celebrations.

Browse the shop
National Day Celebration Card GameNational Day Celebration Card GameA party in a box, any day of the year.
Scroll to Top