Duchy of Warsaw: Polity Style: 1807-1815 |
| 9 Jul 1807 |
most of the provinces, which, on the 1 Jan 1772, formed a part of the Kingdom of Poland, and have since been subjected to Prussia formed the possession of the King of Saxony under the title of the Duchy of Warsaw in accordance with a treaty signed by the representatives of France and Russia on 25 Jun/7 Jul 1807 in Tilsit, effective upon the exchange of ratifications on 9 Jul 1807 in Tilsit (Moniteur universel, No. 206, 25 Jul 1807, pp. 801-802; Gazeta Warszawska, No. 64, 11 Aug 1807, pp. 827-830) |
| 17 Sep 1807 |
the civil authority over "all the countries, cities and territories which are to form the Duchy of Warsaw" is transferred from the representative of France to the representative of the King of Saxony by an instrument of transfer signed in Berlin on 17 Sep 1807 as required by Art. 1 of a convention concluded on 22 Jul 1807 between France and Saxony (Gazette de Varsovie, No. 127, 25 Sep 1807, p. 1) |
| 17 Sep 1807 - 9 May 1815 |
Księstwo Warszawskie | Duchy of Warsaw |
| 9 May 1815 |
the Duchy of Warsaw, with the exception of the free city of Kraków and some other territories, is united to the Russian Empire in accordance with a treaty signed by the representatives of the King of Prussia and the Emperor of Russia on 21 Apr/3 May 1815 in Vienna (effective upon exchange of ratifications on 27 Apr/9 May 1815) (Gesetzsammlung für die Königlich-Preußischen Staaten, No. 11, 1815, pp. 128-157) |
