What does MCMXII Roman Numerals Mean? We will write MCMXII Roman numerals in the expanded form to determine its value. MCMXII = M + (M - C) + X + I + I = 1000 + (1000 - 100) + 10 + 1 + 1 = 1912. Hence, the value of Roman Numerals MCMXII is 1912. How do you Write...