The number 90 would be XC, meaning 99 would be represented ... Why does the Super Bowl use Roman numerals? Why the NFL chose Roman numerals as the Super Bowl numbering system is unclear.

There is not a Roman numeral for 300 or 90, so you need to partition this further, thinking about the Roman numerals you have to choose from. 361 is written as CCCLXI in Roman numerals.

In Roman numerals 1990 is rendered: 1000=M, 900=CM, 90=XC; resulting in MCMXC. 2008 is written as 2000=MM, 8=VIII; or MMVIII. 1666 uses each Roman symbol in descending order: MDCLXVI. Remember that ...