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Early Modern era · 1777

First Treaty of San Ildefonso

The First Treaty of San Ildefonso, 1 October 1777, fixed borders between the colonial possessions in South America held by Spain and Portugal, primarily in the Río de la Plata region.

First Treaty of San Ildefonso · Wikimedia Commons
When
1 Oct 1777
Where
Royal Palace of La Granja de San Ildefonso
Era
Early Modern

Topics

Spain264 BCE – today

Before and after

Battles of Saratoga1777Anglo-French War1778 – 1783Show on timeline

Text from the Wikipedia article First Treaty of San Ildefonso, CC BY-SA 4.0