The number 2011 converts to MMXI in Roman numerals.
In Roman numerals, the 27th February 2011 is XXVIIth February MMXI
MMXI = 2011
May 6, 2011 in Roman numerals is V VI MMXI
October 1, 2011 in Roman numerals is written as X.I.MMXI.
It is: VI-IX-MMXI
May 17th, 2011 in roman numerals would be: V/XVII/MMXI.
June 28, 2011 in Roman numerals is written as XXVIII.VI.MMXI.
In Roman Numerals that is XXII-III-MMXI.
In Roman numerals it would be "XXIX, VI, MMXI"
It is: IX-III-MMXI
10/2/2011 written in roman numerals is: X/II/MMXI