title: New Rulers, New Rules? Changes in Military Equipment during the 13th and 14th Centuries in the Area of the Sanok Land
abstract: In early Spring 1340 Jurij Bolesaw II Trojdenovych the last ruler of Halych-Volhynia Principality died of poisoning. This fact was of tremendous significance for the further history of this West Ruthenian Duchy. Due to succession pacts, claims to his territory were raised on the one hand by Casimir the Great, King of Poland (supported by Hungary) and on the other, by the Lithuanian Duke Liubartas. This conflict was resolved by force of arms over the next dozen or so years and it ended with a div
journal: Fasciculi Archaeologiae Historicae