Presumably it was XXXI - I since March was the first month.
March 28, 2010 in Roman numerals is written as XXVIII.III.MMX.
9 March 1989 can be represented in Roman numerals as IX.III.MCMLXXXIX.
You can also write March.26th.2005 as 03.26.2005 and the Roman numerals for these are... March.XXVI.MMV or III.VI.MMV.
The date 14th March 2011 is written as XIV March MMXI in Roman numerals.
The Roman numerals for March 17, 1976, are XVII III MCMLXXVI.
March 28, 2010 in Roman numerals is written as XXVIII.III.MMX.
9 March 1989 can be represented in Roman numerals as IX.III.MCMLXXXIX.
In Roman numerals March 2, 1995 would be III II MCMXCV.
In today's terms: II-XXXI-MCMXCVI
You can also write March.26th.2005 as 03.26.2005 and the Roman numerals for these are... March.XXVI.MMV or III.VI.MMV.
The date 14th March 2011 is written as XIV March MMXI in Roman numerals.
The Roman numerals for March 17, 1976, are XVII III MCMLXXVI.
March XXI MDCCCCLXXX (1980) or March XXI XXMM (2000-20). Note that the Roman numerals for 1980 are not MCMLXXX.
6th March 1989 is 08-03-1989 so in roman numerals it is VII-III-MCMLXXXIX.
19 March 2011 is written as XIX Martii MMXI in Roman numerals.
In today's modern usage of Roman numerals it is now: X-XXXI-MMXIVBut the ancient Romans would have probably wrote it out quite differently
March XXIX, MCMXCII