🔬 Science & Technology
Mole Day
Oct 23
Mole Day on October 23 celebrates Avogadro's number, a key unit in chemistry. Learn why it's celebrated from 6:02 a.m. to 6:02…
Science & Technology Days
Celebrate discovery and innovation with days dedicated to science, space, inventions, computers and the internet.
25 days, starting with the next one coming up.
🔬 Science & Technology
Electronic Greetings Day
Nov 29
Electronic Greetings Day on November 29 celebrates sending e-cards and digital messages. Send a quick note to someone you've been meaning to…
🔬 Science & Technology
Computer Security Day
Nov 30
Computer Security Day on November 30 is a reminder to protect your devices and data. Learn its 1988 origins and quick security…
🔬 Science & Technology
National Microwave Oven Day
Dec 6
National Microwave Oven Day on December 6 celebrates the kitchen appliance invented by accident. Learn how a melted candy bar led to…
🔬 Science & Technology
International Civil Aviation Day
Dec 7
International Civil Aviation Day on December 7 marks the 1944 Chicago Convention. Learn how ICAO keeps global air travel safe and connected.
🔬 Science & Technology
National App Day
Dec 11
National App Day on December 11 celebrates the mobile apps we use every day. Learn the history of app stores, fun facts…
🔬 Science & Technology
National Bicarbonate of Soda Day
Dec 30
National Bicarbonate of Soda Day on December 30 celebrates baking soda. Learn its history, the science of baking and clever household uses.
🔬 Science & Technology
National Drinking Straw Day
Jan 3
National Drinking Straw Day on January 3 marks the 1888 patent for the paper straw. Learn the history of the straw and…
🔬 Science & Technology
Earth’s Rotation Day
Jan 8
Earth's Rotation Day on January 8 marks Léon Foucault's 1851 pendulum experiment. Learn how it proved Earth spins and how fast our…
🔬 Science & Technology
National Static Electricity Day
Jan 9
National Static Electricity Day on January 9 explores the science behind shocks, clingy socks and hair that stands on end. Learn how…
🔬 Science & Technology
Wikipedia Day
Jan 15
Wikipedia Day on January 15 marks the launch of the free online encyclopedia in 2001. Learn its history, how it works and…
🔬 Science & Technology
National Kid Inventors’ Day
Jan 17
National Kid Inventors' Day on January 17 honors young inventors on Ben Franklin's birthday. Learn about inventions created by kids, from popsicles…
🔬 Science & Technology
National Tin Can Day
Jan 19
National Tin Can Day on January 19 marks the 1825 U.S. patent for tin cans. Learn the history of canned food, the…
🔬 Science & Technology
Thomas Crapper Day
Jan 27
Thomas Crapper Day on January 27 honors the Victorian plumber. Learn what he really invented, the history of the flush toilet and…
🔬 Science & Technology
Data Privacy Day
Jan 28
Data Privacy Day on January 28 encourages everyone to protect personal information online. Learn its history and simple privacy checks to do…
🔬 Science & Technology
National Inventors’ Day
Feb 11
National Inventors' Day on February 11 honors inventors and their ideas. Learn why it falls on Thomas Edison's birthday and how to…
🔬 Science & Technology
Pi Day
Mar 14
Pi Day on March 14 celebrates the number pi (3.14) with math, puzzles and, of course, pie. Learn its history and fun…
🔬 Science & Technology
National DNA Day
Apr 25
National DNA Day on April 25 marks the discovery of DNA's double helix and completion of the Human Genome Project. Learn the…
🔬 Science & Technology
National Paperclip Day
May 29
National Paperclip Day on May 29 celebrates the small office tool with a big history. Learn who designed the paperclip and creative…
🔬 Science & Technology
Social Media Day
Jun 30
Social Media Day on June 30 celebrates how social media connects people. Learn its history, from early networks to today, and tips…
🔬 Science & Technology
World Emoji Day
Jul 17
World Emoji Day on July 17 celebrates the tiny pictures that changed how we communicate. Learn emoji history and why the date…
🔬 Science & Technology
National Moon Day
Jul 20
National Moon Day on July 20 marks the Apollo 11 Moon landing in 1969. Learn the history of the mission and how…
🔬 Science & Technology
National Radio Day
Aug 20
National Radio Day on August 20 celebrates radio's impact on communication and entertainment. Learn radio history and ways to tune in.
🔬 Science & Technology
National Skyscraper Day
Sep 3
National Skyscraper Day on September 3 celebrates towering buildings and the architects who design them. Learn skyscraper history from Chicago to today.
🔬 Science & Technology
International Podcast Day
Sep 30
International Podcast Day on September 30 celebrates podcasts and the creators behind them. Learn podcast history and tips for starting your own.