World of Knowledge

A solar eclipse helped end a six-year war in 585 BCE. When the sky suddenly darkened during a battle between the Lydians and the Medes in modern Turkey, soldiers took it as a sign to cease fighting.

Juicy Fruit gum, an early version of Cracker Jack, and the Ferris Wheel all made their debuts at the 1893 Chicago World’s Fair.

The German version of the term “Average Joe” is Otto Normalverbraucher, which translates to “Otto normal consumer.”

Wisdom teeth serve no purpose. They’re left over from hundreds of thousands of years ago. As early humans’ brains grew bigger, it reduced space in the mouth, crowding out this third set of molars.

According to NASA, it possibly rains glass on the planet known as HD 189733b.