Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
Napoleon constructed his battle plans in a sandbox.
573
February 1865 is the only month in recorded history to not have a full moon.
83
When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
18
Pineapples were such a status symbol in 18th century England that you could rent one for the evening to take to a party.
25
There’s a Swedish power metal band called “Sabaton” who teach history through their music, including an album devoted to teaching about World War Two.
30
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13

