THESAURUS
antedate
announce, antecede, anticipate, backdate, be before, be dated, be early, bear date, come before, date, date at, date-stamp, dateline, datemark, foredate, forerun, go before, herald, lag, make a date, misdate, mistime, postdate, precede, precurse, predate, preexist, proclaim, set the date, update, usher in
ROGET THESAURUS
antedate
Anachronism
VB
misdate,
antedate, postdate, backdate, overdate, anticipate, take no note of time, lose track of time, anachronize.