King Casimir's War between the Dwarvish Republic of Ever-Winter and the Avian Kingdom of Ezria. The kingdom that restarted the war, a continuation of a war that ended over a hundred years ago is still hotly debated even today.
A war between the expansionist Guild Union of Shidrus and the feudalistic Empire of Mille Sessau that started over territorial claims of an island in the Centroppen Sea.
Following a handful of small time skirmishes between orc raiders and militia of New Mille, the Empire of Mille Sessau and the Confederacy of Caexi finally moved to large scale combat on the High Plains.