2011 = MMXI
MCMXCVII is the number 1997 in roman numerals. This number can be used as an year too.
The number (or year) 2009 in Roman numerals is MMIX
MCMXI is the number 1911 in roman numerals. This is a notation used earlier for representing numbers.
2011 = MMXI
MMXI
The year 1958 is written as MCMLVIII in Roman numerals.
The year fourteen would be XIV. For the year 2014 it would be shown as MMXIV.
MDCCLXXVI
MCMXLVII
MCMXCIX
MDMLXXXIV
MCMXCV