Portal:Germany/Anniversaries/September/September 27
- 1719 – Birth of mathematician Abraham Gotthelf Kästner
- 1921 – Death of composer Engelbert Humperdinck
- 1940 – Germany, Italy and Japan sign the Tripartite Pact
- 1998 – Helmut Kohl is defeated by Gerhard Schröder in the Bundestag elections