International Asperger’s Day – Observed to raise awareness about Asperger’s syndrome, a developmental disorder that affects an individual’s ability to communicate and socialize.
National Battery Day – Celebrates the invention of the battery and the role it plays in powering many devices we use in our daily lives.
World Pangolin Day – A day dedicated to raising awareness about the plight of pangolins, the most trafficked mammal in the world, and their conservation.
1930 – Pluto is discovered by astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona.
1954 – The first Church of Scientology is established in Los Angeles, California.
1965 – American civil rights activist and leader Malcolm X is assassinated in New York City.
1977 – The Space Shuttle Enterprise, mounted atop a Boeing 747, makes its first test flight.
2001 – Dale Earnhardt, a legendary NASCAR driver, dies in a crash during the Daytona 500 race.
2010 – WikiLeaks releases the first of thousands of classified documents leaked by U.S. Army Private Bradley Manning (now known as Chelsea Manning).