The recorded history of the known world is split into ages, each a distinct and fascinating period of its own.
Age before Ages 
The time before creation.
Mythic Age 
From the creation of The World to the Dawn War.
Dawn War 
The battle of the Gods against the Primordials.
Dawn Age 
The beginning of the mortal civilizations.
Age of the Ancient Empires 
The age of Arkhosia and Bael Turath.
Age of Nerath 
The age of the human empire of Nerath.
Current Age 
From the fall of Nerath to the present.