During the Secession war troops would return to their cartels with a big sign that read “0 Killed”. From that, the phrase O.K. derived from.
In Africa poachers kill about a hundred elephants every day.
Famous composer Ludwig van Beethoven (1770-1827), died of a liver failure. The researchers found that by examining the DNA of one of his strands of hair.
First western product sold in the Soviet Union was "Pepsi Cola".
Chickens in China annually lay about 160 billion eggs. If we made an omelet out of them, every inhabitant of the Earth would get a piece of omelet with a diameter of one meter.
The first city in the World that has reached one million inhabitants was Rome, around 133 BC. London got its one million inhabitants in 1810, and New York in 1875. Today, there are over 300 cities with more than a million inhabitants.