Portal:Germany/Anniversaries/April/April 22


 * 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