However , before the two sides actually engage , Conrad of Niemcza , a Silesian [ German , more or less ] in King Sigismund 's army , on his own initiative rides out and challenges Confronting_problem the Poles to a duel .

The Hussite Wars , also called Request the Bohemian Wars or the Hussite Revolution Change_of_leadership , were fought Hostile_encounter between the Christian Hussites and the combined Cause_to_amalgamate Christian Catholic forces Hostile_encounter of Sigismund , Holy Roman Emperor , the Papacy and various European monarchs loyal to the Catholic Church , as well as among various Hussite factions themselves .