In, line 219 'may' should be 'may_long', according to Special:Allmessages. Now it is identical to the short month name in line 228. (In English, Polish and some other languages they are really the same, but a Hungarian will immediately see the difference. :-)
In, line 247, 'XXVIX' should be 'XXIX' (typo).

In lines 892-894 'i.e.' should be 'i. e.' (with a space between them), and '0-ás' should be '0-s' (wrong Hungarian spelling). exists, but redirects to "i. e. 1-es évek" (if that is a problem, correct it to 1-es instead of 0-s); the present one gives a search error: