December is the 12th month so it would be XII. 6 is VI and 1998 is MCMXCVIII. It would be written:
XII VI MCMXCVIII.
It is: XII VIII MMXV in Roman numerals
In todays notation of Roman numerals: XII-XXIII-MCMLXXXVI
XXII.XII.MMXI
1963 in Roman numerals would be MCMLXIII
2035 in Roman numerals would be MMXXXV.
It is: XII VIII MMXV in Roman numerals
12 = XII
In todays notation of Roman numerals: XII-XXIII-MCMLXXXVI
December would be represented by XII. So the date would be XII-XV-MCMLXXXIII
XXII.XII.MMXI
XII-XXIII
1963 in Roman numerals would be MCMLXIII
In Roman numerals, 376 would be CCCLXXVI
2035 in Roman numerals would be MMXXXV.
Nowadays we write out 24 in roman numerals as XXIV but the ancient Romans would have used XXIIII
You would write 28775 in roman numerals. This would translate to (XXVIII)DCCLXXV feet.
The equivalent of 2016 in Roman numerals is MMXVI