-
The Louisiana Purchase Treaty was signed by Robert Livingston and James Monroe, which doubled the size of the United States.
-
The Adam-Onis Treaty (more commonly know as the Forida Territory) was signed.
-
The Treaties of Veasco were signed by Antonio López de Santa Anna of Mexico and Interim President David G. Burnet for Texas after the Battle of San Jacinto.
-
The treaty was signed by Great Britain and the United States after about 28 years of sharing the land.
-
The Treaty of Guadalupe Hidalgo was signed, which ended the two year long Mexican-American War.
-
The treaty was signed by James Gadsen, the United States Ambassador for Mexico.
