What's Up :: Battle of Grunwald one of biggest in medieval Europe 17.07.2022 14:30 The battle took place on 15 July 1410 as part of a war between the Crown of the Kingdom of Poland allied with the Grand Duchy of Lithuania and the German Teutonic Order Audio 25'15 What's Up 17.07.2022 Battle of Grunwald one of biggest in medieval Europe.mp3 reenactment of the 1410 Battle of Grunwald in northern Poland.Photo: PAP/Tomasz Waszczuk Presented by Sławek Szefs with Agnieszka Bielawska We shall also tell you about Poland's national anthem and the historical references contained in its lyrics. See more on this subject: What's up