Monkey Day

United States, United Kingdom, Canada, Australia, India, Germany, Thailand

About

Monkey Day, observed on December 14, is a playful yet meaningful celebration of monkeys, apes, and other fascinating primates. It invites people to appreciate their intelligence, curiosity, social behavior, and important place in the natural world.

The observance also draws attention to primate conservation and the need to protect these animals and their habitats. People may mark the day by learning about different primate species, supporting wildlife organizations, visiting a zoo or sanctuary responsibly, or simply sharing fun facts and creative artwork. Monkey Day is a cheerful reminder that celebrating animals can go hand in hand with caring for their future.

History

Monkey Day is an annual observance held on **December 14**. It is commonly traced to 2000, when artist and student Casey Sorrow, associated with Michigan State University, helped establish the occasion with fellow artists and friends. Accounts of its beginnings describe it as emerging from an informal art and comic-making culture rather than from a government, religious, or scientific institution. The date became the fixed point around which participants could celebrate monkeys, apes, and other primates through humor and creative work.

In its early years, Monkey Day was closely connected with cartoons, illustrations, comics, and satirical commentary. Sorrow and other artists used the observance to draw attention to primates while also poking fun at human behavior and popular culture. This combination gave the day a distinctive character: it was playful and unconventional, but it could also address serious subjects such as animal welfare, habitat destruction, scientific research, and the treatment of primates in captivity.

Over time, Monkey Day spread beyond its original artistic circles through websites, social media, zoos, schools, animal-protection organizations, and informal community events. Celebrations have included sharing primate facts, viewing documentaries, creating monkey-themed art, visiting zoological institutions, and supporting conservation efforts. Because the observance is not governed by a single international organization, its activities vary widely, but **December 14** remains its recognized annual date.

Culturally, Monkey Day reflects both humanity’s long fascination with primates and the close biological relationship between humans and other apes and monkeys. Its lighthearted imagery makes scientific and conservation topics accessible, while its artistic roots encourage people to think about how primates are represented in entertainment, research, and public life. In this way, the observance has evolved from a creative community tradition into a broader occasion for appreciation, education, and concern for primate welfare.

Timeline

1949
Albert II, a rhesus monkey, became the first primate to reach space when a U.S. V-2 rocket flight crossed the Kármán line; he died when the capsule’s parachute failed on descent.
1959
Able, a rhesus macaque, and Baker, a squirrel monkey, flew on the U.S. Jupiter AM-18 mission and became the first monkeys to survive a spaceflight and be recovered safely.
2012
Scientists formally described the lesula (Cercopithecus lomamiensis), a previously unknown monkey species from the Democratic Republic of the Congo, in the journal PLOS ONE.

Upcoming dates

Sources

Same day

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