Second Battle of Chlumec
1126 CE.
Shown on the map at 50.667°, 13.933°.
The War of Bohemian Succession (1125–1126) was a war between the Imperial Forces of the Holy Roman Empire and the Duchy of Bohemia about the succession in the Duchy of Bohemia.
Text from the Wikipedia article War of Bohemian Succession (1125–1126), licensed CC BY-SA 4.0.