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File:Friedrich I of Prussia.jpg - Wikimedia Commons
Frederick I of Prussia
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:max_bytes(150000):strip_icc()/frederickthegreat-5be65d6446e0fb002daf13c0.png "Biography of Frederick the Great, King of Prussia")
Biography of Frederick the Great, King of Prussia
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Frederick I., 6.11.1754 - 30.10.1816, King of Wuerttemberg 1.1.1806 - 30.10.1816, full length, with Emperor Napoleon I of France in Stuttgart, 1805, lithograph from "Geschichte Wuerttembergs" (History of Wuerttemberg), by Johann Friedrich Pfaff, 1820 ...
Frederick I, Holy Roman Emperor - Little Histories
:max_bytes(150000):strip_icc()/frederick-barbarossa-large-57c4b9bc5f9b5855e5f68334.jpg "Biography of Frederick I Barbarossa, Holy Roman Emperor")
Biography of Frederick I Barbarossa, Holy Roman Emperor
Frederick Barbarossa - Wikipedia
Frederick Barbarossa - Wikipedia
