The Third Treaty of San Ildefonso was a secret agreement signed on 1 October 1800 between Spain and the French Republic by which Spain agreed in principle to exchange its North American colony of Loui
Charles Talleyrand, long-serving French Foreign Minister; the Treaty was part of a complex web of related agreements
Northern Italy in 1799
Mariano Luis de Urquijo, Spanish signatory
Treaty of Aranjuez (1801)
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The Treaty of Aranjuez was signed on 21 March 1801 between France and Spain. It confirmed a previous secret agreement in which Spain agreed to exchange Louisiana for territories in Tuscany. The treaty
Third Treaty of San Ildefonso
…agreed in principle to exchange its North American colony of Louisiana for territories in Tuscany. The terms were later confirmed by the March 1801 Treaty of Aranjuez. For much of the 18th century, France and Spain were allies, but after the execution of Louis XVI in 1793, Spain joined the War of the First Coalition…
Louis I of Etruria, younger son of Ferdinand of Parma, and son-in-law of Charles IV of Spain