around 5th Century AD to 16th Century AD (Middle Ages)
it was invented in rome in 1863
In ancient Rome, 754BCE.
It was first invented in the 4th century BC. By 525 AD, Dionysius Exiguus was using Roman numerals
The idea of the Roman numeral system was first conceived by the mysterious Etruscans who once ruled the Romans
See the related link for information about the origins of Roman numerals.
2000 was invented in the 8th century as a replacement for the Roman numeral MM.
The Roman numeral system was created by the Etruscans who once had a powerful influence over the ancient Romans.
the answer to what is the roman numeral for 101 is CI
XXV is the Roman Numeral for 25
324 written in roman numeral is CCCXXIV
No, K is not a roman numeral.
There is not a Roman Numeral for 0.