Roman numerals are everywhere. On clocks, books, movies, and massive events. Yet most people never learned how to actually read them.

Why does the western world, who are proudly descended from the Romans, use the Arabic Numeral system instead of the Roman one? You can find out why and when that change happened in this short and simple animated documentary.

Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, each letter with...