May is the fifth month so it would five. V.XIV.MCMXCIII would be the proper notation.
X.XIV.MMV
V-XIV-MMV
In today's notation of Roman numerals it is: V-MCMLXXIV
May 3, 1926 is written as V.III.MCMXXVI in Roman numerals.
May 1, 2010 in Roman numerals is written as V.I.MMX.
14th May 1987 can also be written as 14-05-1987 and in Roman numerals this would be XIV.V.MCMLXXXVII
X.XIV.MMV
V-XIV-MMV
In today's notation of Roman numerals it is: V-MCMLXXIV
May 3, 1926 is written as V.III.MCMXXVI in Roman numerals.
May 6, 2011 in Roman numerals is V VI MMXI
May 1, 2010 in Roman numerals is written as V.I.MMX.
May 15, 2010 is written as XV.V.MMX in Roman numerals.
May 17th, 2011 in roman numerals would be: V/XVII/MMXI.
17th May, 1990 would be XVII. V. MCMCX in Roman numerals.
May 8, 2002 in Roman numerals is written as VIII.V.MMII.
May 10, 2012, is written as X.V.MMXII in Roman numerals.