History of Vistulzka
The history of Vistulzka can be traced back to the written records of various traders from the Hernician Empire, who referred to the area north of the Belagoras as Vistla, inhabited by a multitude of various tribes. Attempts by the Hernician Empire to traverse the mountain range and establish control in Vistla were unsuccessful. There is evidence of ancient outposts constructed along the mountain range and into Vistal by the Hernicians. Vistulzka was one of the first sites of the Wallish migration, where the Venethians allied themselves with the Wallish. The Venethian Kingdom was established as a petty kingdom under the auspices of the Wallish Empire.
In 941, the Drazhyn migrated and conquered Western Calesia, causing the Venethian Kingdom to collapse and the Wallish Empire to relinquish their claim. Following the invasion, 956 saw the formation of three sovereign states. The Pereyan Hetmanate by the Pyrkodonna, the Voivodeship of Lexinia by the Viswe, and the Ungari Principality by the Hetumogye. The Gregorianization of Lexinia was a complex process beginning in 971 with the conversion of Casimir II by the scholars Marharyta and Gniewomir.
The Catabole Crisis had severe effects on Vistulzka, and was a direct cause of the Vistulzkan Peasant Revolt of 1350 and the subsequent collapse of the Vistulzkan-Hetumoger Noble Republic in 1352. Vistulzka would not see a stable, effective government for almost a century. The Stateless Era described a time of general anarchy following the end of the Vistulzkan-Hetumoger War. The Triumvirate of Vistulzka followed as the Nemesseg, Szalachta and Lysarts attempted to restore order. While they were able to organize a functional government that replaced the general stateless era, the Kingdom of Vistulzka was vulnerable to pressure due to the Noble Anarchy of Vistulzka as a result of borderline civil wars and economic disintegration.