Timeline of Significant Greyhawk Events
| -485 CY | Beginning of the Baklunish-Suloise wars |
| -447 CY | Suloise migration begins |
| -425 CY | Scarlet Brotherhood founded |
| -422 CY | Invoked Devastation and Rain of Colorless Fire strike |
| -217 CY | Founding of the Kingdom of Aerdy |
| -110 CY | Battle of a Fortnight's Length |
| 1 CY | Declaration of Universal Peace by Overking Nasran, crowned in Rauxes |
| 213 CY | Age of Great Sorrow begins |
| 437 CY | House Naelix murders Rax overking |
| 446 CY | Ivid I takes Malachite Throne in Aerdy as overking |
| 479 CY | Iuz begins conquering northern territories |
| 505 CY | Iuz imprisoned beneath Castle Greyhawk |
| 579 CY | Resurgence at Temple of Elemental Evil quelled |
| 581 CY | The Whispered One destroys entire Circle of Eight |
| 582 CY | Beginning of the Greyhawk Wars |
| 584 CY | Pact of Greyhawk signed, Rary betrays Circle of Eight |
| 585 CY | Circle of Eight restored |
| 586 CY | Flight of Fiends |
| 587 CY | United Kingdom of Ahlissa founded |
| 589 CY | Kingdom of Sunndi founded |
| 592 CY | Present |
OR (Oeridian Record) add 644
SD (Suloise Dating) add 5515
OC (Olven Calendar) add 4462
BH (Baklunish Hegira) add 2659
FT (Flan Tracking) add 2150