1866 in Germany
These are events from the year 1866 in Germany.
Incumbents
- King of Bavaria – Ludwig II of Bavaria
- King of Prussia – William I
- King of Saxony – John, [King of Saxony|John]
Events
- Alfred Nobel – invents dynamite in Germany.
Births
January–March
- 10 January – Ludwig Aschoff, German physician and pathologist
- 28 January – Georg Friederici
- February – Karl Albert Buehr, painter
- 6 March – Hans Christiansen, artist
- 7 March – Hans Fruhstorfer, German lepidopterist
- 13 March – Friedrich Boedicker, Vizeadmiral
- 15 March – Matthew Charlton, Australian politician
April–June
- 11 April – Karl Bürger, German classical scholar
- 22 April – Hans von Seeckt, German general
- 23 May– Gustav Aschaffenburg, German psychiatrist
- 8 June – Hermann Fenner-Behmer
- 26 June – Josef Swickard, German actor
July–September
- 8 July – Benedict Friedlaender
- 5 August – Carl Harries, German chemist
- 16 September – Joe Vila, American sportswriter
- 24 September –Max Bernhauer, German entomologist
October–December
- 27 October – Elsa Bernstein, Austrian-German writer and dramatist of Jewish descent.
- 3 November – Paul Lincke, German composer
- 20 November– Friedrich von Berg, German politician and chairman of the Secret Civil Cabinet of Kaiser Wilhelm II
- 21 November – Hermann Boettcher, actor
- 24 November – Rudolf Biebrach, German actor and film director
- 12 December – Alfred Werner, German chemist, Nobel Prize laureate
Deaths
January–June
- 31 January – Friedrich Rückert, German poet, translator and professor of Oriental languages
- 6 March – Theodor Brüggemann, Prussian government official and politician
July–December
- 20 July – Bernhard Riemann, German mathematician
- 30 August or 10 September – Hermann Goldschmidt, German-French astronomer and painter