BLUMENTHAL, LEONHARD, COUNT VON (i8io—i goo) , Prussian field-marshal, was born at Schwedt-on-Oder on July 3o 181o, and died at Quellendorf on Dec. 22 'goo. He entered the Guards as 2nd lieutenant in 1827 and took part in 1848 in the suppression of the Berlin riots. In 1849 he served on the staff of General von Bonin in the Schleswig-Holstein campaign, and so distinguished himself, particularly at Fredericia, that he was appointed chief of the staff of the Schleswig-Holstein army. He was appointed personal adjutant to Prince Frederick Charles in 1858. He was chief of the staff of the 3d Army Corps in 1864 when on the outbreak of the Danish War of 1864 he was made chief of the general staff of the army against Denmark, and dis tinguished himself particularly at Diippel and the passage to Alsen island. In the war of 1866 Blumenthal was chief of the general staff to the crown prince of Prussia, commanding the 2nd Army. From 1866 to 187o he commanded the i4th division at DUsseldorf. In the Franco-German War of 187o-7i he was chief of staff of the 3rd Army under the crown prince. In 1873 he became a general of infantry, and ten years later he was made a count. In 1888 he was made a general field-marshal, after which he was in command of the 4th and 3rd Army inspections.
BIBLIOGRAPHY.-Blumenthal's diary of 1866 and 1870-71 has been Bibliography.-Blumenthal's diary of 1866 and 1870-71 has been edited by his son, Count Albrecht von Blumenthal (Tagebuch des G.F. M. von Blumenthal), 1902 ; an English translation (Journals of Count von Blumenthal) was published in 19°3.