XXII.XII.MMXI
It is: XII-XV-MMXI
December 21, 2011 is written as "XII XXI MMXI" in Roman numerals.
MMXI
May 17th, 2011 in roman numerals would be: V/XVII/MMXI.
The date 14th March 2011 is written as XIV March MMXI in Roman numerals.
It is: XII-XXV-MMXI
It is: XII-XV-MMXI
It is: 12-1-2011 = XII-I-MMXI
December 21, 2011 is written as "XII XXI MMXI" in Roman numerals.
MMXI
In Roman Numerals that is XXII-III-MMXI.
May 6, 2011 in Roman numerals is V VI MMXI
May 17th, 2011 in roman numerals would be: V/XVII/MMXI.
The date 14th March 2011 is written as XIV March MMXI in Roman numerals.
IV.V.MMXI
III.V.MMXI
I/i/mmxi