 | This article relies largely or entirely on a single source. (May 2022) |
Imperial County of Rantzau Reichsgrafschaft Rantzau | |||||||||
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| 1650–1864 | |||||||||
 Coat of arms
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| Status | Imperial county | ||||||||
| Capital | Barmstedt | ||||||||
| History | |||||||||
• Established | 1650 | ||||||||
• Acquired by Denmark-Norway | 9 April 1726 | ||||||||
• Mediatised to Prussia | 1864 | ||||||||
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The Imperial County of Rantzau (German: Reichsgrafschaft Rantzau) was an immediate state of the Holy Roman Empire which lasted from 1650 to 1864. Its territory is more or less congruent with the present Amt Rantzau.