Portal:Germany/Anniversaries/April/April 22

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• 1401 - Capture of Klaus Störtebeker
• 1724 - Birth of philosopher Immanuel Kant
• 1915 - Germany becomes the first nation to use chemical weapons in the Second Battle of Ypres
• 1945 - Death of artist Käthe Kollwitz
• 1980 - Death of physicist Fritz Strassmann, one of the discoverers of nuclear fission