Antedate
From BiblePortal Wikipedia
Antedate [1]
(1): (n.) Prior date; a date antecedent to another which is the actual date.
(2): (n.) Anticipation.
(3): (v. t.) To anticipate; to make before the true time.
(4): (v. t.) To precede in time.
(5): (v. t.) To date before the true time; to assign to an earlier date; thus, to antedate a deed or a bond is to give it a date anterior to the true time of its execution.