In the year 1900, the number of human population was 1.5 million, of whom a quarter lived in Europe.
Every queen by the name of Jane was killed, gone mad or sentenced to death.
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.
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.
Baby gorillas are breastfed for four years.
Turtles can breathe through their backsides.
