Portal:Germany/Anniversaries/August/August 3
- 1761 – Death of classical scholar Johann Matthias Gesner
- 1867 – Death of classical scholar Philipp August Böckh
- 1914 – Germany declares war on France in World War I
- 1942 – Death of chemist Richard Willstätter, winner of the 1915 Nobel Prize in Chemistry for his discovery of the structure of chlorophyll