You would represent May with the number 5 for the fifth month. This would be shown as XIV-V.
14th May 1987 can also be written as 14-05-1987 and in Roman numerals this would be XIV.V.MCMLXXXVII
V xiv mmxxix
The date 8-14-2009 in Roman numerals would be VIII.XIV.MMIX
14 in Roman numerals is XIV
Roman numerals for 14 is XIV
The number 14 in Roman numerals is XIV
Under today's rules the conversion is: May-XIV-MMIX
XIV gO TO http://www.onlineconversion.com/roman_numerals_advanced.htm
August 14 1992 can also be written as 08-14-1992 and in Roman numerals this would be VIII.XIV.MCMXCII
XIV
July 14th in roman numerals would be: VII/XIV
November 14, 2012 can be written in Roman numerals as XIV.XI.MMXII.