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.
Japan can boast about the oldest anthem on the Earth. Its text is from the 9th century.
The England’s Representation, "the cradle of football", was introduced for the first time on a world championships 1950 in Brazil.
All the bees in the world visit 3 trillion flowers every day, producing around 3,000 tons of honey.
The center of the Earth is located approximately 6.440 kilometers from the surface.
In 1898 Nikola Tesla successfully demonstrated a “ship with a remote control” as a continuation of the research on radio frequency.