Today, Roman numerals appear in building cornerstones and movie credits and titles. They are also used in names of monarchs, popes, ships and sporting events, like the Olympics and the Super Bowl. Roman numerals are used in astronomy to designate moons and in chemistry to denote groups of the Periodic Table.

When were Roman numerals used?

The Roman numeral system for representing numbers was developed around 500 b.c. As the Romans conquered much of the world that was known to them, their numeral system spread throughout Europe, where Roman numerals remained the primary manner for representing numbers for centuries.

When did we stop using Roman numerals?

The Roman Numeral, as far as we know, was the only written numbering system used in Ancient Rome and Europe until about 900 AD, when the Arabic Numbering System, which was originated by the Hindu's, came into use.