That depends on what the birthdate is but if you represent the month as a number, so that for instance 12th of October 1539 is written as 12-10-1539 then all you need to do is find the correct numerals for, in this case, 12, 10 and 1539, which would be XII = 12, X =10 and MDXXXIX = 1539, so the entire birthdate would be XII.X.MDXXXIX
The date of birth 05041971 in Roman numerals is V.IV.MCMLXXI.
The date of birth 19101989 in Roman numerals is XIX.X.MCMXCIX.
7-13-2000 = VII-XIII-MM
The date 03.04.1989 is written in roman numerals as III.IV.MCMLXXXIX
The date of birth 12-02-2009 in Roman numerals would be XII.II.MMIX
The date of birth 05041971 in Roman numerals is V.IV.MCMLXXI.
The date of birth 19101989 in Roman numerals is XIX.X.MCMXCIX.
7-13-2000 = VII-XIII-MM
The date 03.04.1989 is written in roman numerals as III.IV.MCMLXXXIX
The M represents 1000 and the L is 50. This would convert to XXII.VII.MCMLXXXIX.
The date of birth 12-02-2009 in Roman numerals would be XII.II.MMIX
The date of birth 07072001 in Roman numerals is VII VII MMCI.
The birth date 06081993 in Roman numerals is VI/VIII/MCMXCIII
The date 15-04-1990 can be represented by the Roman numerals XV.IV.MCMXC
The date 05-05-2010 in Roman numerals would be V.V.MMX
The date 19-02-1986 written in Roman numerals would be XIX.II.MCMLXXXVI
The date 01-06-1981 in Roman numerals is I.VI.MCMLXXXI