September 23, 1122
The Concord of Worms is reached between Pope Callistus II and the Emperor of the Holy Roman Empire, Heinrich V. It is determined who has the right to invest clergy.
September 23, 1783
Birth of Peter von Cornelius in Düsseldorf, Germany. He was an artist who revived the art of fresco painting. He was a member of the artists group, the Lukasbund. He decorated the Glyptothek (an art museum in Munich) and in Munich painted the east wall of the Ludwigskirche.
September 23, 1846
September 23, 1856
Birth of Karl Krumbacher in Kempten, Germany. Krumbacher was a professor at the Universities of Leipzig and Munich. He pioneered the study of Byzantine culture.
September 23, 1861
Birth of Robert Bosch in Albeck near Ulm (inventor of the spark plug and magneto, founder of Bosch GmbH). For a time Bosch worked with Thomas Edison in the U. S. A. The Bosch corporation is one of the world’s largest electronic corporations.
September 23, 1882
September 23, 1890
Birth of Friedrich Paulus in Breitenau, Germany (now in Austria). General Paulus was the field marshal who led the German forces in the siege of Stalingrad and was ultimately surrounded there and captured in 1943. This was a turning point in the war. 300,000 German soldiers were suddenly out of the war. After the war he lived in Dresden, East Germany until his death in 1957.
September 23, 1929
Death of Richard Zsigmondy in Göttingen, Germany (born in Vienna, Austria). Zsigmondy was a chemist who won the Nobel Prize for Chemistry in 1925 for his work on colloids. He earned his doctorate at the University of Munich and taught at the University of Graz and the University of Göttingen.