In 1405, a dispute between bloodline spark a civil war which end with the defection of Curaw and Khudan from Tsardom of Vaegir. 
In 1410, the Order of Ironcross fought an army of Vaegir, Ironcross emerged the victor.
In 1425, the Order of Ironcross declared independent from Swadia, much to the changrin of the Swadian king.
1430's it was the most peaceful year Calradia ever had after the Great War in 14th century.
In the year 1453, a new technology from Geroia has change the face of warfare in Calradia.
 With this technology comes new weapon, firearm. Such weapon feared by nobles alike for it can kill highly trained knight!
First came Nord then Vaegir, Rhodok and later Khergit who harness this technology. 
It is your choice for this is the War of Calradia!