6 is simply written as VI. 1990 is written as MCMXC (M = 1000, CM = 900 and XC = 90) so 06-06-1990 would be written as VI.VI.MCMXC
VI/IV/MCMXC
XXV-VI-MCMXC
VI/II/MCMLXXIX
The birthday 29 06 2006 in roman numerals is XXIX VI MMVI.
The date 09-11-06 can be written in Roman numerals as IX.XI.VI. The full date 09-11-2006 would be IX.XI.MMVI
16 08 1990
11 is XI 6 is VI 1990 is MCMXC
The date 18-06-1990 in Roman numerals would be XVIII.VI.MCMXC
VI/IV/MCMXC
XXV-VI-MCMXC
XXIX-VI-MCMXC
VI/II/MCMLXXIX
The birthday 29 06 2006 in roman numerals is XXIX VI MMVI.
The date 09-11-06 can be written in Roman numerals as IX.XI.VI. The full date 09-11-2006 would be IX.XI.MMVI
In today's terms they are: VI-VII-MCMXC
You could write that as I-VI-MMV
12-06-91 = XII-VI-XCI