National Pi Day (March 14)
Discover the story behind the famous number, hands-on learning activities, classroom ideas, and themed treats.
These science and discovery weird holidays celebrate curiosity, innovation, and the mysteries of the universe. From skyscrapers and space travel to UFO sightings and mathematical constants, this collection highlights the strangest science-themed days on the calendar.
Some honor major scientific breakthroughs, while others lean into the weird side of discovery, like alien abductions and Pluto losing its planet status. Whether you love space, numbers, engineering, or unexplained phenomena, these holidays offer a fun way to explore how the world works. Each post also includes a free black-and-white coloring page to mark the day creatively.
Discover the story behind the famous number, hands-on learning activities, classroom ideas, and themed treats.
Welcome spring with planting tips, flower facts, simple gardening activities, and creative ideas for kids.
Celebrates kids who came up with brilliant ideas. Adults pretend they were just as creative.
Started to promote energy awareness, but most people celebrate by unplugging things they forgot existed.
Celebrates the moment scientists proved Earth spins on its axis. Without it, sunsets wouldn’t exist.
A holiday for time travel fans, alien believers, and anyone who owns too many lightsabers. It’s an excuse to revisit cult classics and hidden gems.