[[File:Kopernik 1.jpg|100x150px|Niklas Koppernigk]]
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• 1522, Graudenz (Grudziądz) – Niklas Koppernigk aka Copernicus (<big>☚</big>), canon of Ermland, delivers makes a speech about monetary policy at the dietine (regional assembly) of Royal Prussia.</br>
• 1526, Mohács – King Louis Jagiellon of Bohemia, Hungary and Croatia dies in a battle against Ottoman Turks led by Sultan Suleiman the Magnificent.
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