May is the fifth month so it would five. V.XXXI.MMXI would be the proper notation.
May 6, 2011 in Roman numerals is V VI MMXI
May 17th, 2011 in roman numerals would be: V/XVII/MMXI.
May 24, 2011 is V/XXIV/MMXI
It is: V-XXVIII-MMXI
The date 29th May 2011 can be written in Roman numerals as XXIX V MMXI.
XXV11
V.VIII
5 is V and 1967 is MCMLXVII but there is no way to say may in roman numerals.
17th May, 1990 would be XVII. V. MCMCX in Roman numerals.
In today's notation of Roman numerals: V-III-MCMXXVI
To write a date in Roman numerals, you would use Roman numerals to represent the day, month, and year. For example, the date May 5, 2022 would be written as V.V.MMXXII.
V-I-MMXI