The music. The moves. The whole blessed album. All are classic. The late King of Pop�s �Thriller� video made its debut on MTV on December 2, 1983. Here�s the fun story behind it.

September 15, 1890: Agatha Christie is born. Her mystery novels are said to be outsold only by the Bible and the works of Shakespeare. In 2015, fans around the world are celebrating her 125th birthday anniversary.

In 1974, a chimp named Nim was taught to use sign language as part of a linguistic study. Nim signed his first word on February 4. But why was the project problematic? What happened to Nim?

On February 21, 1958, Gerald Holtom drew a circle and three lines. How did such an abstract symbol come to represent peace? Why did Holtom regret his design years later?

What could have ended in an air crash on January 15, 2009, became a breathtaking spectacle, thanks to Captain �Sully,� the crew of US Airways Flight 1549 � and the river between New York and New Jersey.

On March 10, 1876, Alexander Graham Bell said to his assistant: �Mr. Watson � Come here � I want to see you.� These were the first words ever spoken into a telephone, and Watson heard him, clear as a ... well, bell.

The Jazz Age had begun, but in 1924 the music was not considered a serious art form. Then, on February 12, an octave-surfing clarinet glided into Rhapsody in Blue, and it made musical history. And to think Gershwin almost didn��t write it �

�Dord� was discovered by a lexicographer on February 28, 1939. This was back when a dictionary was a 3,000-page tome, not a search engine with a hidden word list. You�ve never heard of �dord�? Don�t worry � there is a valid reason.

On Christmas Eve in 1914, Europe was at war, and yet a number of soldiers laid down their weapons and celebrated Christmas with the enemy. Here�s what happened.

Arriving home one night from a session at a recording studio, John Lennon was gunned down in cold blood. The world has been mourning his death since December 8, 1980. Here�s what happened.