Grand Duchy of Lithuania | |||||||||
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1812–1813 | |||||||||
Status | Short-lived unrecognized client state of the French Empire, personal union with the Duchy of Warsaw and the Kingdom of Saxony | ||||||||
Capital | Vilnius | ||||||||
Common languages | Official:
Lithuanian
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Demonym(s) | Lithuanian | ||||||||
Government | Constitutional monarchy | ||||||||
Grand Duke | |||||||||
• 1812–1813 | Frederick Augustus I | ||||||||
President | |||||||||
• 1812 (first) | Józef Sierakowski | ||||||||
• 1812–1813 (last) | Stanisław Sołtan | ||||||||
History | |||||||||
• Declared | 1 July 1812 | ||||||||
• Joining the General Confederation of the Kingdom of Poland | 14 July 1812 | ||||||||
• Russian conquest of Lithuanian territory | December 1812 | ||||||||
• Dissolution of the government-in-exile | 30 April 1813 | ||||||||
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The Provisional Government Commission of the Grand Duchy of Lithuania; also, the Lithuanian Provisional Governing Commission (Lithuanian: Lietuvos laikinosios vyriausybės komisija; also Lietuvos Didžiosios Kunigaikštystės vyriausybės komisija, Polish: Komisja Rządu Tymczasowego Wielkiego Księstwa Litewskiego; also Komisja Rządząca Tymczasowa Litewska; French: Gouvernement provisoire de Lituanie; also Gouvernement général de la Lituanie) was a provisional administrative body for Lithuania, which had been overtaken by Napoleon's Grand Army during the 1812 French invasion of Russia.[1] On 14 July 1812 the Commission formally joined the General Confederation of the Kingdom of Poland, creating the united Kingdom of Poland.