Scotland's national animal is the unicorn.

The oldest known musical instrument is a flute carved from a vulture bone, found in Germany and dated to 40,000 years ago.

Elvis Presley never wrote any of his own songs.

The word 'OK' is likely the most widely understood word on Earth.

The word 'OK' is one of the most recognized expressions worldwide — likely originated from a playful 19th century American abbreviation fad.

The longest recorded rally in professional tennis lasted 643 shots in a match in 1984.

Traditional batik fabric dyeing in Indonesia is protected as an Intangible Cultural Heritage by UNESCO.

Dressage — precision horse riding — scores horses and riders on over 30 individual movements in a freestyle routine.

Wealth inequality exists in nearly every country.