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National Monkey Day

December 14

National Monkey Day

An awareness day on December 14 celebrating monkeys, apes, and all primates while raising awareness about primate conservation.

Yearly Date
December 14
Observed in
United States
Category
Animals
Subcategory
Wildlife
Founding Entity

Casey Sorrow and Eric Millikin

First Observed
2000
Origin

Individual Initiative

Artists Casey Sorrow and Eric Millikin, students at Michigan State University, founded Monkey Day in 2000 when Sorrow jokingly scribbled it on a friend's calendar on December 14. It gained popularity through their Fetus-X comic strip and international art exhibitions, evolving into a global observance for primates.

Institutional Record
Holiday Calendar
Last updated February 26, 2026 by the Holiday Calendar Team
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Introduction

Get ready to go bananas for National Monkey Day on December 14th! Celebrated since 2000, this day was created by two friends in honor of their love for primates. Whether you're an animal lover or just a fan of these adorable creatures, it's the perfect opportunity to learn about and appreciate monkeys from around the world.

National Monkey Day Timeline

2000
Creation of National Monkey Day
National Monkey Day was created by two friends, Casey Sorrow and Eric Millikin, to show their love and appreciation for monkeys.
2001
First Monkey Day Parties
One year after its creation, the first parties celebrating National Monkey Day commence, starting a tradition for future years.
2007
Educational Emphasis
National Monkey Day begins emphasizing education and conservation of monkeys due to growing concerns about their well-being.
2010
Social Media Awareness
Twitter hashtags and Facebook events further popularize National Monkey Day, creating a larger community of primate enthusiasts.
2015
Monkeys in Popular Culture
From Curious George to Planet of the Apes, National Monkey Day acknowledges monkeys' significant roles in popular culture.
2020
Virtual Monkey Day Celebrations
Due to the COVID-19 pandemic, many National Monkey Day celebrations move online, offering worldwide involvement.

How to Celebrate National Monkey Day

1

Visit a zoo

No matter where you live, there is sure to be a zoo close by that houses monkeys. Spend the day observing their antics and learning about them from knowledgeable staff.

2

Watch monkey films

Pop some popcorn, make some monkey snacks, and rent your favorite monkey movie. From Tarzan to Planet of the Apes, you are sure to find a classic film.

3

Make monkey crafts

Gather up your crafting supplies and get creative with a monkey theme. Make paper mache monkeys or use felt to create stuffed monkeys as gifts for friends.

4

Read books about monkeys

From Curious George to The Jungle Book, there are plenty of stories to explore about our primate cousins. Enjoy an afternoon of reading about the adventures of monkeys.

5

Go on a safari

If you really want to get up close and personal with monkeys, then plan a safari to Africa or South America and observe these creatures in their natural habitat.

Why We Love National Monkey Day

A

Monkeys are adorable

Whether it's a cute little baby monkey hanging from its mother's back or an adult swinging through the trees, there's no denying that these animals are incredibly endearing. Monkeys also have advanced cognitive abilities that make them more similar to humans than you might think - and at times, much more entertaining!

B

Monkeys play important roles in nature

Monkeys play essential roles in their ecosystems by dispersing seeds and pollinating vegetation, which helps sustain tropical forests. They're also keystone species, meaning they affect how energy flows through their environment. Their existence is vital for the health of nature!

C

Monkeys help us learn about ourselves

By studying monkeys, we can gain insight into our own behavior and evolution. We can observe their social interactions, communication habits and emotional intelligence to better understand the origins of our own actions and behaviors. Plus, studying primates helps us appreciate the intricacies of the natural world!

Holiday Dates

Year Date Day
2023 Thursday
2024 Saturday
2025 Sunday
2026 Monday
2027 Tuesday