Grenades were invented in China over 1,000 years ago.
50
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
Early Romans used to use porcupine quills as toothpicks.
27
The first telephone book was one page long and had only 50 names in it.
91
Harry S. Truman was the last U.S. President with no college degree.
55
The first coast-to-coast telephone line was established in 1914.
33
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57