When did the people who developed roman numerals live?

Answer 1

It was the Etruscans who first conceived this form of numeracy system and the Etruscans once ruled the Romans.

Little is known in history about the mysterious Etruscans who once lived in the part of Italy that today is called Tuscany.

Answer 2

The people who developed Roman numerals lived during the time of ancient Rome, which spanned from 753 BCE to 476 CE. The Roman numeral system originated in ancient Rome and was used extensively throughout the Roman Empire.