The Roman numeral MCMXI represents the number 1911. In this numeral, M stands for 1000, CM stands for 900 (1000 - 100), and XI stands for 11. When combined, they total 1911.
XXVII
MCMLXX
MCMXCIV
XXII.I.MCMXC
2010 = MMX
CXX
IV
VMMM
XLI = 41
It is: 1776 = MDCCLXXVI
CCCLVI
CMXCII