Botho Wendt August Graf zu Eulenburg (31 July 1831 – 5 February 1912) was a Prussian statesman. Throughout the entire German Empire period he was, alongside Albrecht von Roon the only Minister President of Prussia not also to be Chancellor of Germany, with the two offices being practically synonymous.
Early life and career
Eulenburg was born in Wicken (now in Pravdinsky District) to Botho Heinrich zu Eulenburg (1804–1879) and his wife, Countess Therese née von Dönhoff (1806–1882). He studied law at the universities of Königsberg and Bonn.
Eulenburg worked in high positions of the Prussian and German administration in Wiesbaden (1869–1872), Metz (president of the Département de la Lorraine; 1872–1873) and Oberpräsident of the Province of Hanover (1873–1878).
In March 1878, Eulenburg succeeded his first cousin once removed Friedrich Albrecht zu Eulenburg as Minister of the Interior, serving under Bismarck. He implemented a series of repressive anti-socialist measures. From 1881 to 1892, he was the Oberpräsident of the Province of Hesse-Nassau.