Game of Thrones Wiki › The Ages of the Realm
Twelve thousand years, from the Dawn Age to the breaking of the wheel — the whole history of the Known World told in seven ages. Each is a long read, for each covers a great deal of the world.
The world's morning — to roughly 6,000 years before the ConquestThe Dawn Age & the Age of Heroes
Roughly 6,000 years before the Conquest, to Aegon's landingThe Seven Kingdoms of Old
2 BC to roughly 100 ACAegon's Conquest & the Dragon Kings
129 to 131 ACThe Dance of the Dragons
Roughly 131 to 259 ACBlackfyre & the Hedge Knight's Road
259 to 283 ACThe Fall of the Dragons
Roughly 298 to 305 ACThe Game of Thrones