Portal:Germany/Anniversaries/July/July 23


 * 1164 – The remains of the Three Kings arrive at Cologne Cathedral
 * 1777 – Birth of painter Philipp Otto Runge
 * 1793 – The French retreat after the Siege of Mainz ends the Mainz Republic
 * 1886 – Birth of physicist Walter H. Schottky
 * 1899 – Birth of Gustav Heinemann, President of Germany 1969-1974