VIII-April-MMX or as VIII-IV-MMX
August 8, 2010 in Roman numerals is VIII.VIII.MMX.
IV-VIII-MCMLXXXV
IV-VIII-MMXI
It is: IV-VIII-MMXII
X-VIII-MMX
XI-VIII-MMX
VII-XXXIX-MMX
XLII is 42 in Roman numerals. XXXIV is 34 in Roman numerals. The difference between them is 8, or VIII in Roman numerals.
8 8 1981 in Roman numerals is VIII VIII MDCCCCLXXXI or IIX IIX XXMMI. Note that 1981 is not MCMLXXXI in Roman numerals.
The date 8-14-2009 in Roman numerals would be VIII.XIV.MMIX
VIII XV MMVII in Roman Numerals.
If you mean 822 then the equivalent in Roman numerals is DCCCXXII