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.
Right-handed people on average live nine years longer than left-handed people.
The first sewing machine was invented by a British inventor Thomas Saint in 1790 and it was used for sewing leather.
Of all the animals, lynx has the sharpest hearing. In the deepest of sleep, they can hear the slightest sound coming from afar. This beast hears so well thanks to its “tufts” on the top of its ears that serves as a kind of antenna.
Landkreuzer P. 1000 "Ratte", also known as Rat, is a giant tank that the Nazis planned to make to assist them in battles in World War II, which was supposed to weigh a staggering 1,000 tons.
The first personal computer was made in January 1975 in the company MITS in New Mexico. It cost about 395 US dollars, and customers had to assemble it by themselves. It was called the Altair 8800.
