It is: I-XX-MMVIII
I-XX-MMIX
It is: I-XX-MMI
In today's modern conversion it is: XX-January-MCMLXXXI
20 in Roman numerals is XX.
XX-I-MMXI
XX is the number 20 in Roman numerals. xx
XX is the number 20 in Roman numerals.
XX is 20 in Roman numerals
20 in Roman Numerals is XX
They are: XX-IV-XCVII
XX
20