It was first mentioned in 1077 and is particularly renowned for its wonderfully preserved castle.
On September 7, 1944, following the Allied invasion of France, P?ain and members of the Vichy government cabinet fled to Germany and established a government in exile at Sigmaringen. P?ain returned to France in April 1945.
Sigmaringen was the birthplace of Ferdinand of Romania (1865-1927), king of Romania (1914-1927).
See also: Hohenzollern-Sigmaringen
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