page_title: Third Treaty of San Ildefonso
hierarchical_section_title: Third Treaty of San Ildefonso
caption_attribution_description: English: A map of the historical territorial expansion of the United States of America. Not shown: Guam, Northern Mariana Islands, American Samoa, minor outlying islands, former territories
context_page_description: The Third Treaty of San Ildefonso was a secret agreement signed on 1 October 1800 between the Spanish Empire and the French Republic by which Spain 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.
context_section_description: The Third Treaty of San Ildefonso was a secret agreement signed on 1 October 1800 between the Spanish Empire and the French Republic by which Spain 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.
caption: North America; Louisiana-New Spain in white
exif: {}