From Longman Dictionary of Contemporary Englishpostdatepost‧date /ˌpəʊstˈdeɪt $ ˌpoʊst-/ verb [transitive] 1 BFBif you postdate a cheque, you write it with a date that is later than the actual date, so that it will not become effective until that time → backdate2 AFTERto happen, live, or be made later in history than something else → predate Some of the mosaics postdate this period.→ See Verb table
Examples from the Corpus
postdate• The maria and small plains in the highlands can readily be seen to postdate the craters on their borders.• The mosaic postdates this period, although the style is quite similar. 