| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Ferdinand, Prussian field marshal |
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| 172192, Prussian field marshal, a prince of the house of Brunswick, known as Ferdinand, duke of Brunswick. He served King Frederick II of Prussia brilliantly in the Seven Years War, notably by his victories at Krefeld (1758) and Minden (1759). |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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