2, 21 and 2009
XXI/II/MCMLXXXIII
II-XI-MMIX
II-IX-MMIX
In todays modern notation of Roman numerals: II-XIV-MMIX
February II MMVIIII or II-II-IMMX. Note that 2009 in Roman numerals is not MMIX.
XXI/II/MCMLXXXIII
II-XI-MMIX
II-XI-MMIX
II-IX-MMIX
ii-ix-mmix
II-VI-MMIX
IX-II-MMIX
In todays modern notation of Roman numerals: II-XIV-MMIX
February II MMVIIII or II-II-IMMX. Note that 2009 in Roman numerals is not MMIX.
VIII-II-MMIX
II-XXI-MCMLXXXIII
In modern terms: II-XXIX-MMIX