Nowadays 1918 as a Roman numeral is MCMXVIII but the ancient Romans would have notated it as MDCCCCXVIII
MDCCCCXVIII (1918) or IICMMXX (2020-102) and it is not MCMXVIII in the way that you have probably been taught.
In Roman numerals it is the year MCMLXIV. In Arabic numerals it is the year 1964.
MDCCCCXVIII or IICMMXX and it is not MCMXVIII as you might have expected.
It is not equivalent to any year because they are an invalid arrangement of Roman numerals
Nowadays 1918 as a Roman numeral is MCMXVIII but the ancient Romans would have notated it as MDCCCCXVIII
MDCCCCXVIII (1918) or IICMMXX (2020-102) and it is not MCMXVIII in the way that you have probably been taught.
In Roman numerals it is the year MCMLXIV. In Arabic numerals it is the year 1964.
The year 1450 is written in roman numerals as MCDL.
MDCCCCXVIII or IICMMXX and it is not MCMXVIII as you might have expected.
It is not equivalent to any year because they are an invalid arrangement of Roman numerals
MCMXXI represents the year 1921 in Roman numerals.
The year 1958 is written as MCMLVIII in Roman numerals.
The number (or year) 2009 in Roman numerals is MMIX
MMX is Roman Numerals for the year 2010.
In todays modern notation of Roman numerals it is: MCMLVI
In todays notation of Roman numerals: MCMLXXXV