The Last Rebellion was a series of civil unrest after the conquest of Thaelia. It climaxes in several countries and provinces still controlled by non humans uniting and rebelling against the continent's new dominent force.
It's rebellion's leader was the Grey Duke Ynkigen Susël.
Outcome
After a last great battle on the planes of Kinross in 42, the rebelling lords were executed and their dynasties replaced. Provinces were annexed by the victors. The only country to keep its independence was the Ekthunli Dynasty, who secretly provided information of the rebellion and helped their defeat.
The Thaelian Calendar calendar was created and implemented shortly after the end of the rebellion.