Pre-Kingdoms Era (-2200 - -86)
People migrate to the South. Families and communities form.
Warring Clans Era (-87 - 73)
Clans begin fighting amongst each other. Clans unite to fight off the Westerners. Westerners are held off until they begin a war on their northern front. Clans divide power amongst the seven largest clans, starting the Seven Kingdoms Era.
Seven Kingdoms Era (73 - 693)
Emerald Dynasty (798 - 1123)
Country is united under one flag.