XII-XVIII-MMXII
18 written in Roman numerals is XVIII.
December 9, 1985 is written in Roman numerals as IX.XII.MCMLXXXV.
December 10, 1984 in Roman numerals is X.X.MCMLXXXIV.
18 - XVIII
XII-XVIII-MMXII
18 written in Roman numerals is XVIII.
December 9, 1985 is written in Roman numerals as IX.XII.MCMLXXXV.
December 10, 1984 in Roman numerals is X.X.MCMLXXXIV.
18 - XVIII
It is: XII VIII MMXV in Roman numerals
The date 18-06-1990 in Roman numerals would be XVIII.VI.MCMXC
The roman numerals for April 18, 1989 are XVIII.IV.MCMLXXXIX.
In today's notation of Roman numerals it is: XII-XI-MCMXCIV.
December 21, 2011 is written as "XII XXI MMXI" in Roman numerals.
The modern way of converting 5th December 1979 into Roman numerals is V-December-MCMLXXIX. But the Romans themselves in ancient times would have probably wrote 1979 as MDCCCCLXXVIIII.
In todays notation of Roman numerals: XII-XXIII-MCMLXXXVI