XXIX VI MMVI XXVIIII-VI-MMVI or IXXX-VI-MMVI. Note that 29 in Roman numerals is not XXIX as you might have been told or read.
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
The Roman numerals for the date 06-03-2006 are VI.III.MCMVI
VI/II/MCMLXXIX
12-06-91 = XII-VI-XCI
In today's notation: VI-XXI-MCMLXXXIII
16 08 1990
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
The Roman numerals for the date 06-03-2006 are VI.III.MCMVI
VI/II/MCMLXXIX
You could write that as I-VI-MMV
12-06-91 = XII-VI-XCI
In today's notation: VI-XXI-MCMLXXXIII
11 is XI 6 is VI 1990 is MCMXC
It is: 06 = VI
The date 13-06-2009 in Roman numerals would be XIII.VI.MMIX
The date 18-06-1990 in Roman numerals would be XVIII.VI.MCMXC
The date 01-06-1981 in Roman numerals is I.VI.MCMLXXXI