User blog comment:Master Sima Yi/Assassinews 12-05-'15 — Assassin's Creed: Syndicate has been revealed!/@comment-210.187.170.102-20150810070759/@comment-101.190.109.48-20150810123244

And certain era's can be re-used for other purposes, e.g. Rogue was set around the same time and general location as the early part of 3.