↑ a life peerage meaning Prince of the Battlefield – after Wahlstatt monastery at Legnickie Pole, the site of the decisive Battle of Legnica (or Battle of Liegnitz; Legnickie Pole is the name created in 1948 for Wahlstatt or 'battlefield', a posthumous name more popular only from the 18th century: to avoid mix-up with the 1760 battle of Liegnitz on 9 April 1241 where the Mongols of the Golden Horde had defeated a Polish-German army but then retreated to the Mongol Empire, instead of invading the remainder of Europe all the way to the Atlantic Ocean.[cần dẫn nguồn]
