User blog comment:Master Sima Yi/Assassinews 19-03-'14 – Two Assassin's Creeds for 2014?: Unity and Comet/@comment-413232-20140613232718/@comment-4055238-20140614001629

Just rewatched it; must have zoned out when he mentioned the decades part. Thinking logically, we know that Arno's father was killed when he was 8. Knowing he was born in 1768, that would probably start the game in 1776, but only for a brief bit, like with Ezio's birth and Connor's childhood.