The World of Greyhawk has a long, tangled history that is tracked by many different cultures' timelines. For ease of reference this page will only focus on the contemporary “common year” calendar abbreviated in most game publications as “CY”. The timeline below is by no means a comprehensive list of Greyhawk canon, and only serves as a framework for our campaign.
Shield Lands formed as a bulwark against bandit raids.
Outer dependencies of the Great Kingdom continue to splinter off.
Archmage Zagig Yragerne begins construction of Castle Greyhawk.
Ruthless Ivid I assumes throne of the Great Kingdom ending the Turmoil.
Several states break off to form the Iron League in reaction to the new Overking.
Humanoids from the Lortmils overrun and take control of the Pomarj peninsula.