Monkey Day is an unofficial holiday. While it is mainly about monkeys, it also celebrates other non-human primates such as apes, tarsiers, and lemurs. The day cuts across religious boundaries and provides opportunities to share monkey stories.
Costume parties; art shows; zoo visits; webcomic marathons
Monkeys and Monkey-Fans
Casey Sorrow and Eric Millikin (art students)
In 2000 artist Casey Sorrow, jokingly scribbled Monkey Day on a friend's calendar, and then first celebrated the holiday with other MSU art students.