I have sent my submission for this year's One Page Dungeon Contest. It is called 'Long Before the Sands Came' and it's inspired on the early World of Greyhawk long before the cataclysm that created the Bright Desert. I want to thank +Jarrett Crader for the suggested edits.
“Sodattahs the Sorcerer Emperor has cemented his grasp over the land after defeating the remaining rebellious lesser kingdoms. Only the Kingdom of Rati, to the far South, has been strong enough to face the Zulmish Empire onslaught so far..”
You can click on the Downloads button above to get it.