When did the Duchy of Oldenburg exist as a German state?
The Duchy of Oldenburg existed as a German state from 1774 to 1810. It was elevated from a county into a duchy by 1777 following the Treaty of Tsarskoye Selo in 1773.
Short answers, pulled from the story.
The Duchy of Oldenburg existed as a German state from 1774 to 1810. It was elevated from a county into a duchy by 1777 following the Treaty of Tsarskoye Selo in 1773.
Christian succeeded his father Dietrich as Count of Oldenburg and later became king of Denmark in 1448 based on his maternal descent from previous Danish monarchs. This arrangement made Oldenburg a Danish exclave despite its geographical distance from Denmark.
By 1933 only 279 Jews remained in the area before most were annihilated during the Holocaust. Some survivors returned after the war ended, though the total community had declined significantly from 1359 people in 1900.
The Treaty of Tsarskoye Selo transferred sovereignty from the Danish line to the junior Holstein-Gottorp branch in 1773. Frederick August I received the county through this agreement while Catherine the Great secured her son Paul's share in the government of Schleswig.
Oldenburg joined the newly formed German Empire by 1871 after decades of independent rule. The region subsequently became a free state within the Weimar Republic in 1918 before facing new political challenges.