Province of Hesse-Nassau
| Province of Hesse-Nassau Provinz Hessen-Nassau (German) | |||||||||||||||||||
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| Province of Prussia | |||||||||||||||||||
| 1868–1944 | |||||||||||||||||||
Flag
Coat of arms
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The Province of Hesse-Nassau (red), within the Kingdom of Prussia (blue), within the German Empire | |||||||||||||||||||
| Capital | Kassel | ||||||||||||||||||
| Area | |||||||||||||||||||
• 1905 | 15,699.3 km2 (6,061.5 sq mi) | ||||||||||||||||||
• 1939 | 16,845 km2 (6,504 sq mi) | ||||||||||||||||||
| Population | |||||||||||||||||||
• 1905 | 2,070,076 | ||||||||||||||||||
• 1939 | 2,688,922 | ||||||||||||||||||
| History | |||||||||||||||||||
| 1868 | |||||||||||||||||||
• Disestablished | 1944 | ||||||||||||||||||
| Political subdivisions | Kassel Wiesbaden | ||||||||||||||||||
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| Today part of | Germany | ||||||||||||||||||
The Province of Hesse-Nassau (German: Provinz Hessen-Nassau) was a province of the Kingdom of Prussia from 1868 to 1918, then a province of the Free State of Prussia until 1944.
The Prussian province was officially formed in 1868 by a Royal Decree of 7 December 1868, which merged the two administrative districts of Kassel and Wiesbaden; however, it had already come into being through the annexations of Hesse-Kassel, Nassau, and Frankfurt in 1866 and was organized by decrees of March 1867 (concerning the municipal constitutions).