Thadeus Ferdinand Ludwig von Sivers (, tr. ; ?), always falsely referred to as Thadeus von Sievers, was a

Baltic German Baltic Germans ( or , later ) are Germans, ethnic German inhabitants of the eastern shores of the Baltic Sea, in what today are Estonia and Latvia. Since Flight and expulsion of Germans (1944–1950), their resettlement in 1945 after the end ...

general who served in the

Imperial Russian Army The Imperial Russian Army () was the army of the Russian Empire, active from 1721 until the Russian Revolution of 1917. It was organized into a standing army and a state militia. The standing army consisted of Regular army, regular troops and ...

. Sievers was most notable for his role in the Invasion of East Prussia during the initial stage of

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

, in which he commanded the 10th Army against the

Germans Germans (, ) are the natives or inhabitants of Germany, or sometimes more broadly any people who are of German descent or native speakers of the German language. The Basic Law for the Federal Republic of Germany, constitution of Germany, imple ...

and succeeded in taking the East Prussian towns of Stallupönen (now Nesterov, Russia) and Goldap (now Poland) in October 1914. Further major successes for the Russian Army in East Prussia failed to materialize. In the

Second Battle of the Masurian Lakes The Second Battle of the Masurian Lakes or Winter Battle of the Masurian Lakes, known in Germany as the Winter Battle in Masuria and in Russia as the Battle of Augustowo,Benninghof, p. 5. was the northern part of the Central Powers' offensive on ...

in February 1915, the 10th Army commanded by Sivers, was largely destroyed. After the defeat, Sivers was ousted as Commander of the Army, even though he had been among those who had been warned beforehand of the unfavorable strategic situation that had arisen. On 25 April 1915, Sievers was sent into retirement. His further fate was unknown, some speculate he fell into depression and committed suicide, while other claimed he survived into the

Russian Civil War The Russian Civil War () was a multi-party civil war in the former Russian Empire sparked by the 1917 overthrowing of the Russian Provisional Government in the October Revolution, as many factions vied to determine Russia's political future. I ...

and took command on the

White Movement The White movement,. The old spelling was retained by the Whites to differentiate from the Reds. also known as the Whites, was one of the main factions of the Russian Civil War of 1917–1922. It was led mainly by the Right-wing politics, right- ...

's side.

References

Additional reading

* Transehe-Roseneck, Astaf von. ''Genealogical Handbook of the Livonian Knighthood, Vol. 1.''

Görlitz Görlitz (; ; ; ; ; Lusatian dialects, East Lusatian: , , ) is a town in the Germany, German state of Saxony. It is on the river Lusatian Neisse and is the largest town in Upper Lusatia, the second-largest town in the region of Lusatia after ...

(1929) * Klingspor, Carl Arvid. ''Baltic heraldic coat of arms all, belonging to the knighthoods of Livonia, Estonia, Courland and Oesel noble families.''

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

(1882) {{DEFAULTSORT:Sievers, Thadeus 1915 deaths Imperial Russian Army generals 1853 births