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

• 1552–86 John Günther I
• 1586–1643 Günther XLII, with
• 1586–1638 Anthony Henry, with
• 1586–1631 John Günther II, with
• 1586–1642 Christian Günther I
• 1642–66 Anthony Günther I
• 1666–97 Christian William, with
• 1666–97 Anthony Günther II

Raised to Prince in 1697

Princes of Schwarzburg-Sondershausen

• 1697–1716 Anthony Günther II
• 1697 – 10 May 1721: Christian Wilhelm
• 10 May 1721 – 28 November 1740: Günther XLIII
• 28 November 1740 – 6 November 1758: Heinrich XXXV
• 6 November 1758 – 14 October 1794: Christian Günther III
• 14 October 1794 – 19 August 1835: Günther Friedrich Karl I
• 19 August 1835 – 15 September 1889: Günther Friedrich Karl II
• 15 September 1889 – 28 March 1909: Karl Günther

United under Prince Günther of Schwarzburg-Rudolstadt

• 28 March 1909 – November 1918 Prince Günther

Heads of the princely house of Schwarzburg

• 1918–25: Prince Günther (1852–1925)
• 1925–26: Prince Sizzo (1860–1926)
• 1926–71: Prince Friedrich Günther (1901–71)

External links

• Regnal chronology