- 1818 - Birth of philosopher Karl Marx
- 1859 - Death of mathematician Peter Gustav Lejeune Dirichlet
- 1892 - Death of chemist August Wilhelm von Hofmann
- 1944 - Death of automobile pioneer Bertha Benz, commemorated by a Bertha Benz Memorial Route since 2008.
- 1955 - West Germany becomes sovereign
- 1964 - Birth of high jump athlete Heike Henkel