This page might / will contain spoilers, read on own risk

Overview
The timeline of the Xion’s Islands goes back 4000 years, before then not much is known as the major vulcano eruption has destroyed much of the traces. Since then lot of major events has happen but I will stick to those happening in the story.
Timeline
A.v means After vulcano, B.v means Before vulcano
Before time itself – Creation of the dragons
0 A.V – Major vulcano eruption creates the Xion’s Islands
3347 A.V – Birth of former empror 000008
3362 A.V – birth of blacksmith & stone mason 000013
3365 A.V – Birth of empror’s brother 000009, Birth of advisor 000004, Birth of heroine’s father 000002
3370 A.V – Birth of emperor 000006, and birth of heroine’s mother 000003
3372 A.V – Birth of emperor’s wife 000007
3402 A.V – Birth of empror’s nephew 000010
3407 A.V – Death of former emperor 000008 while chapter 1 takes place
3406 A.V – Birth of crown prince 000005, Birth of the twins 000011 and 000012
3408 A.V – Birth of heroine 000001
3427 A.V – Chapter 2 to 27 take place
3926 A.V – Chapter 28 to ?? take place
Story continues