January 18th, 1991 in roman numerals would be: I/XVIII/MCMXCI
VI.I.MCMXCII
it is I XVIII MCMLXXIX
18 x= 10 v= 5 i= 1 10+5+1+1+1=18
XVIII X = 10 V = 5 I = 1 so, 10 + 5 + 1 + 1 + 1 =18.
The 1 in Roman numerals is represented by the letter "I".
1-22-1992 = I-XXII-MCMXCII
18 in roman numerals looks like XVIII
VI.I.MCMXCII
Nowadays it is: VI-I-MCMXCII
it is I XVIII MCMLXXIX
18 x= 10 v= 5 i= 1 10+5+1+1+1=18
XVIII X = 10 V = 5 I = 1 so, 10 + 5 + 1 + 1 + 1 =18.
The 1 in Roman numerals is represented by the letter "I".
Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.Eleven in Roman numerals is XI.
Xviii = 18 x = 10 v = 5 i = 1
21 in Roman numerals is XXI. 1 in Roman numerals is I. 90 in Roman numerals is XC. So, 21 1 90 would be XXI I XC in Roman numerals.
The roman numerals for 1-10 are as follows:IIIIIIIVVVIVIIVIIIIXX