The victory ensured Deciding Prussia control Control of Silesia during the Third Silesian War Military_operation ( part of the Seven Years ' War ) .

The battle Hostile_encounter was fought Hostile_encounter at the Silesian town of Leuthen , northwest of Breslau .

The Battle Hostile_encounter of Rossbach took place Process_start on 5November 1757 during the Third Silesian War Hostile_encounter ( 1756–1763 , part of the Seven Years ' War Hostile_encounter ) near the village of Rossbach ( Roßbach ) , in the Electorate of Saxony .

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 Siege of Pirna ( or Investment of Pirna ) took place Process_start in 1756 as part of the Prussian invasion Attack of Saxony during the Third Silesian War ( part of the Seven Years ' War ) .