Treyarch released Call of Duty: Black Ops 1 in 2010, creating a dark, gritty story world that carries through to this day. But it’s much more than just Black Ops 1…it’s a fiction that stretches back much further than that, encompassing some of the events from the World at War era. This is a timeline of the events and characters that have made the Black Ops universe what it is to date.