Princess Friederike of Schleswig-Holstein-Sonderburg-Glücksburg (1811-1902) was co-regent of the Duchy of Anhalt-Bernburg alongside her husband Duke Alexander Carl (1805-1863). Her reign ended with the death of her husband and started in November 1855.
Does anyone know exactly at which day in November it started?
Does anyone know exactly at which day in November it started?