Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
36
Because metal was scarce; the Oscars given out during World War II were made of plaster.
40
A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
In Ancient Egypt, some people paid their taxes in honey.
152
Pilgrims did not eat with forks. They only used spoons, knives and their fingers.
44
In the 1830s, a Greek prime minister tried to spread the potato in Greece but people weren't interested so he put armed guards in front of shipments of potatoes so people would think they were important. People then started stealing these potatoes so much that the crop spread to all of Greece.
29