The first use of the word "fact" c1487 And in the mene season he seith how among theire cronycles wherin the Parsians were accustumed by studious diligence theire yerely factes and actes to register of record, he founde out writyng of old memoriall historious and brought it over vnto the Grecians.
J. Skelton, translation of Diodorus Siculus, Bibliotheca Historica iii. 179