Add Yahoo as a preferred source to see more of our stories on Google. The Kansas City Chiefs and Philadelphia Eagles will take the field for Super Bowl LIX on Sunday. But many football fanatics and casual watchers may be wondering: What the heck does LIX mean?

The Roman Empire might've fallen, but it didn't take their numbers down with it. Those pesky letters disguised as numbers still stick around to this day, normally wreaking havoc on people that just want to know what number Super Bowl we're up to.

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 brings certain level of ceremony to each Super Bowl.

Another year, another Super Bowl. And another Super Bowl Roman numeral. We're fast approaching Super Bowl 57 between the Eagles and the Chiefs, the official title of which is Super Bowl LVII. NFL fans have been seeing these jumbles of letters in Super ...