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.
First safety belt for car drivers was patented in 1885 in the United States.
Just like people prefer to use their right or the left hand, octopuses also preferred one of their tentacles, and use it more frequently.
Flame of a match reaches 1930 degrees Celsius!
The Islamic masters were the first to paint paper and often would apply dots of silver or gold on it.
An ant can lift up to 50 times his own body weight, it can pull 30 times his own weight and when it is drunk it will always fall on its right side.