Retcon 2025 is a hypothetical occasion through which your entire timeline of human historical past is retroactively altered, with no proof of the change remaining. The time period is a portmanteau of “retroactive continuity” and “2025,” the 12 months through which the occasion is predicted to happen.
The concept of Retcon 2025 relies on the idea of the multiverse, through which there are an infinite variety of parallel universes, every with its personal distinctive historical past. Based on this idea, Retcon 2025 shall be a time limit at which the timelines of all of those universes will converge, leading to a single, unified historical past.
