IV-XVIII-MDCCCCXX
You can't repeat a letter more than 3 times in a row with roman numerals,
1500 would be MD
1600 would be MDC
1700 would be MDCC
1800 would be MDCCC
With 1900 you can't repeat the C 4 times, you have to minus a hundred (C) from the next thousand (M) by putting a C before the M. So 1900 is MCM and 1920 would be MCMXX (note: the D is 500).
Also using Roman numerals, the date would probably be in European format, Ex. day, month, year, So the date would probably be XVIII IV MCMXX.
To write 10 April 2010 in roman numerals, you could write it X-IV-MMX
Roman numerals only apply to numbers. so April can't be in roman numerals, but seven is VII
April MMX
April 29th 2009 can also be written as 04-29-2009 and the Roman numerals for this date would be IV.XXIX.MMIX
April 24, 2010 converted to Roman numerals is XXIV.IV.MMX.
To write 10 April 2010 in roman numerals, you could write it X-IV-MMX
Roman numerals only apply to numbers. so April can't be in roman numerals, but seven is VII
April MMX
April 29th 2009 can also be written as 04-29-2009 and the Roman numerals for this date would be IV.XXIX.MMIX
April 24, 2010 converted to Roman numerals is XXIV.IV.MMX.
April 21st, 2008 is written as XXI.IV.MMVIII in Roman numerals.
April XXVI MCMXCIII.
IV.V.MMXI
IV.V.MCMXLIII
In Roman numerals, 376 would be CCCLXXVI
1963 in Roman numerals would be MCMLXIII
2035 in Roman numerals would be MMXXXV.