County (Principality) of Schwarzburg-Sondershausen
Grafschaft (Fürstentum) Schwarzburg-Sondershausen
State of the Holy Roman Empire,
State of the Confederation of the Rhine,
State of the German Confederation,
State of the North German Confederation,
State of the German Empire,
State of the Weimar Republic
Flag Coat of arms
Schwarzburg-Sondershausen within the German Empire
Schwarzburg-Sondershausen within Thuringia
Capital Sondershausen
Government Principality
Historical era Middle Ages
   Partitioned from
  Raised to Principality 1697
   German Revolution 1920
  Merged into Thuringia 1920
   1905 862 km² (333 sq mi)
   1905 est. 85,000 
     Density 98.6 /km²  (255.4 /sq mi)
Preceded by
Succeeded by
County of Schwarzburg
Karl Gunther, the last Prince of Schwarzburg-Sondershausen
The castle at Sondershausen

Schwarzburg-Sondershausen was a small principality in Germany, in the present day state of Thuringia, with its capital at Sondershausen.


Schwarzburg-Sondershausen was a county until 1697. In that year, it became a principality, which lasted until the fall of the German monarchies in 1918, during the German Revolution of 1918–1919. After the German Revolution, it became a republic.

In 1920, it joined with other small states in the area to form the new state of Thuringia. Schwarzburg-Sondershausen had an area of 862 km² and a population of 85,000 (1905). Towns placed in the state were: Arnstadt, Sondershausen, Gehren, Langewiesen, Großbreitenbach, Ebeleben, Großenehrich, Greußen and Plaue.

Rulers of Schwarzburg-Sondershausen, 1552–1918

Counts of Schwarzburg-Sondershausen

Raised to Principality in 1697

Princes of Schwarzburg-Sondershausen

United under Prince Günther of Schwarzburg-Rudolstadt

Heads of the princely house of Schwarzburg

On the death of the childless Prince Günther Victor in 1925, he was succeeded by Prince Sizzo (1860–1926), who was the son of Prince Friedrich Günther (1793–1867) from his second, morganatic marriage. Prince Sizzo was recognised as a full member of the House of Schwarzburg in 1896.

Upon the death of Prince Friedrich Günther, the last in the male line, the headship passed under Semi-Salic primogeniture to his elder sister, Princess Marie Antoinette of Schwarzburg, who married Friedrich Magnus V, Count of Solms-Wildenfels. The House of Schwarzburg subsequently became a personal union with the House of Solms-Wildenfels.[1] [2]

Villages with more than 2000 people

Village Inhabitants
December 1, 1910
Arnstadt 17,841
Sondershausen 7759
Langewiesen 3814
Greußen 3348
Großbreitenbach 3255
Gehren 2917
Geschwenda 2291

See also


  1. The House of Schwarzburg on
  2. James, John Almanach de Gotha, Volume I, 2013.

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