Super Bowl week is back, which means Roman numerals are once again at the forefront of the public consciousness. As one of the only institutions that still uses Roman numerals, the NFL's choice ...

Roman numerals are a numeral system which was used in Ancient Rome. It uses letters instead of numbers to represent values. You may have seen Roman numerals on clocks and on TV or film credits.

This year's version of the NFL's biggest game is Super Bowl LIX — or Super Bowl 59, if you're not well versed in Roman numerals. Unlike the other major American sports leagues, the NFL uses ...