MXMI
Improved Answer:-
In today's notation of Roman numerals 1991 = MCMXCI
Those Roman Numerals mean 1991.
14th January, 1991 is XIV. I. MCMXCI in Roman numerals.
In todays modern notation of Roman numerals 1991 = MCMXCIBut the ancient Romans would have notated them quite differently
16-11-1991 in Roman numerals would be XVI.XI.MCMXCI
20th august, 1991 is XX. VIII. MCMXCI in Roman numerals.
MCMXCI is the number 1991 in Roman numerals.
Those Roman Numerals mean 1991.
14th January, 1991 is XIV. I. MCMXCI in Roman numerals.
In todays modern notation of Roman numerals 1991 = MCMXCIBut the ancient Romans would have notated them quite differently
16-11-1991 in Roman numerals would be XVI.XI.MCMXCI
20th august, 1991 is XX. VIII. MCMXCI in Roman numerals.
03/04/1991 in Roman numerals is: III/IV/MCMXCI
January 16, 1991, in Roman numerals is XVI.I.MCMXCI.
The number 1991 in Roman numerals is MCMXCI
October 18th, 1991 written in roman numerals is: X/XVIII/MCMXCI
XIV/III/CMXCIImproved Answer:-In today's notation 1991 in Roman numerals is MCMXCI
XII II CMXCIImproved Answer:-In today's notation of Roman numerals 1991 is MCMXCI