Portal:Germany/Anniversaries/February/February 23
- 1855 - Death of Carl Friedrich Gauss, mathematician, astronomer, and physicist
- 1893 - Rudolf Diesel is granted a patent for the Diesel engine
- 1899 - Birth of author Erich Kästner (pictured), known for his children's books such as Lottie and Lisa
- 1945 - Birth of Georg Milbradt, minister-president of Saxony