Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The Grateful Dead were once called 'The Warlocks'.
34
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
In 1918, after the treaty of Versailles (end of WWI), the French Commander-in-chief said "This is not a peace. It is an Armistice for 20 years." 20 years and 65 days later, WWII happened.
31
Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
11