Kingdom Hearts: Amelioratory Benevolence/Timeline

200 Years before Our Penumbral Asylum
 * The War of Worlds' Hearts begins.

180 Years before OPA
 * The War of World's Hearts ends.
 * The Pact is created.
 * Fick is born.

??? Years before OPA
 * An unknown Pact Wielder draws the wrath of Asura, adding an addendum to the Pact.

47 Years before OPA
 * Cruoris is born.

35 Years before OPA
 * Chelsea Onn is born.

32 Years before OPA
 * Ai Ni-Lan is born.

30 Years before OPA
 * Cruoris becomes a Heartless and founds the Hollow Sect.

26 Years before OPA
 * Jhuon is born.

18 Years before OPA
 * Ryed Raevin is born.
 * Absolon Laurent is born.

17 Years before OPA
 * Vylinn is born.
 * Xaras Cullen is born.
 * Cheiko Miyakawa is born.
 * Onn passes her Mark of Mastery exam and becomes a Keyblade Master.

15 Years before OPA
 * Xaras's father leads his squadron to fend off a Heartless attack of Empire City, is hailed as a hero.

13 Years before OPA
 * Noia Exercir is born.
 * Vylinn's father is slain by a rogue Heartless, Vylinn's mother subsequently commits suicide. Cruoris vows to protect the orphan.
 * Ryed gets the Keyblade passed onto him.

10 Years before OPA
 * Ai Ni-Lan loses her heart and becomes Xianlian, founds the Void Federation.

7 Years before OPA
 * Vylinn begins formal weapons training.

5 Years before OPA
 * The Keyblade manifests itself for Ryed, he starts training under Master Onn.

3 Years before OPA
 * Xaras's father defeats the Heartless once more on another attack on Empire City. Jhuon is a casualty of the carnage and is torn apart.
 * Insiminy is discovered by Cruoris and joins the Hollow Sect.

1 Year before OPA
 * Vylinn joins the Serene Villa Heartless Task Force.
 * The Pact chooses Ryed as the Wielder for the Heartless, Master Onn banishes him to Sunset Horizons.

Arc One of Kingdom Hearts: Amelioratory Benevolence, "Our Penumbral Asylum" begins