Chronology
Attack on Titan Historical Timeline
Chronological events in the history of Paradis Island and Marley up to your active milestone (Prologue / Start). Future events are hidden to eliminate all spoilers.
Year 845
Fall of Wall Maria & Shiganshina Breach
The Colossal Titan breaches Shiganshina's outer gate followed by the Armored Titan piercing Wall Maria's inner gate. Humanity loses a third of its territory, forcing hundreds of thousands of refugees into Wall Rose.