MCMLXXVII is 1977.
1977 in roman numerals is MCMLXXVII.
1977
1977 = MCMLXXVII 1978 = MCMLXXVIII
It is MCMLXXVII
1977
MCMLXXVII
MCMLXXVII
XXVIII-X-MCMLXXVII
MCMLXXVII
Under today's rules now governing the Roman numeral system MCMLXXVII is equivalent to 1977 in Hindu-Arabic numerals
XI IX MCMLXXVII