Boundary Lines
Created the year after the Webster-Ashburton Treaty of 1842, this map finally defined America’s northeastern border. The Treaty of Paris, which ended the...
Jefferson’s Motion
Signed by the American peace commissioners on September 3, 1783, the Treaty of Paris formally ended the Revolutionary War. Thomas Jefferson wrote this motion for...
Louisiana Purchase Agreement
The Louisiana Purchase consists of three separate agreements between the United States and France: a treaty of cession and two agreements providing for the exchange...
Mapping the negotiation
During the negotiations to end the Revolutionary War, all sides used a copy of the so-called Mitchell map. The red lines marked on the map were the agreed-upon...
Satisfaction at last
Representatives of President Andrew Jackson and Spain’s 4-year-old Queen Isabella II ended a long standing dispute in Madrid on February 17, 1834. Spain agreed to...
Signatures and pictographs
Representatives of the Ottawa, Chippewa, Potawatomi, and Wyandot tribes signed this treaty with the United States on November 17, 1807, ceding millions of acres in...
Sinte Galeska, ca. 1880
Sinte Galeska, also known as Spotted Tail, a chief of the Bruleton, band of the Oglala Sioux, was one of the signers of the Fort Laramie Treaty.