A map of the United States during the heated presidential election of 1856, showing the States carried by the Republican Party (John Fremont), Democrat Party (James Buchanan), and the newly formed American Party, or 'Know-Nothing’ Party...

A map of the United States during the heated presidential election of 1856, showing the States carried by the Republican Party (John Fremont), Democrat Party (James Buchanan), and the newly formed American Party, or 'Know-Nothing’ Party...

A map of the western United States and northern Mexico showing the territorial disputes settled and boundary established by the Adams-Onis Treaty between the United States and Spain in 1819. The territorial disputes involved the natural...

Map of Africa in 1858, prior to the extensive European colonization of the continent established at the Berlin Conference of 1885. This map shows the European possessions of the Cape Colony, Natal, and Orange River Free State, and the...

A map of Africa as it was known in 1882 before the Berlin Conference of 1885, when the most powerful countries in Europe at the time convened to make their territorial claims on Africa and establish their colonial borders at the start of...

A map of the United States in 1860 showing the states and territory boundaries at the time, and is color-coded to show the slave States and distribution of slaves, the free states, and the territories, all open to slavery under the...

A map of the Mediterranean Sea region showing the Barbary States and southern Europe at the time of the Tripolitan War (First Barbary War - 1801-1804) between the United States and the North African Ottoman Empire regencies. The map...

A map of the United States at the close of the American Revolution showing the western land claims extending to the Mississippi River by the individual states after the Treaty of 1783 with Britain. The map shows the frontiers with the...

A map of the United States showing the results of the presidential election of 1860. The map is color-coded to show the states carried by Lincoln (Republican), Breckinridge (Southern Democrat), Bell (Constitutional Union), and Douglas...

A map of the United States showing the results of the presidential election of 1860. The map is color-coded to show the states carried by Lincoln (Republican), Breckinridge (Southern Democrat), Bell (Constitutional Union), and Douglas...

A map from 1898 of Mexico, Central America and the West Indies. The map includes an inset map of Cuba and the Isthmus of Nicaragua. "The surface of the Rocky Mountain highland in Mexico is quite similar to that of the great plateau...

Map of Greece and Asia Minor showing the Athenian Empire at its greatest extent, around 450 BC. This map is color-coded to show the territories of the members of the allied states, and the dependent and tributary states, and has numeric...

A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the routes of Taylor, Wool, Kearny, Doniphan, and Scott, the pre-war boundaries of the United States...

A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the routes of Taylor, Wool, Kearny, Doniphan, and Scott, the pre-war boundaries of the United States...

A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the territory acquired from Mexico after the war, and the routes of Taylor, Wool, Kearny, Doniphan,...

A map of the southern border of Alaska and Canada showing the area of boundary dispute and the boundary established by the Hay-Herbert Treaty between Britain and the United States in 1903. The map shows the coastline and fjords of the...

A map of the Oregon Country showing the adjustments to the boundaries between 1818-1846, including the boundary established in 1818 to the east of the jointly controlled territory (Great Britain and the United States), the southern...

Map of Northwestern Africa in 1906 showing the Barbary States of Morocco, Algeria, Tunis, and a portion of Tripoli, the western country of Rio de Oro, and the Upper Guinea States of Gambia, Portuguese Guinea, Sierra Leon, Liberia,...

A map of North America and Central America showing territorial claims and possessions in 1800. The map is color-coded to show the territories of the United States, British, Spanish, French, and Russians, and indicates areas of disputed...

A map of the Southern States during Secession, showing the states which first seceded (before April 15, 1861), and those which followed after the outbreak of the American Civil War.

Map of Western Africa in 1920 showing the Upper Guinea States of Gambia, Portuguese Guinea, Sierra Leon, Liberia, British Gold Coast, Togo, Dahomey, Northern and Southern Nigeria, Kamerun, and Spanish Guinea. The map also shows the...

A map of the Oregon Country showing the adjustments to the boundaries between 1819-1846, including the southern boundary established by treaty with Spain in 1819, and the boundary dividing the territory between the United States and...

A map of the Laurentide era glacial Lake Agassiz in the present day region of the northern United States and southern Saskatchewan, Manitoba, and Ontario. The lake was present during the last glacial period, and covers an area larger...

A map of central Mexico and southern United States showing the important cities and battle sites of the Mexican-American War (1846-1848). The map shows the rivers of the contested boundaries that led to the war, the Rio Grande del Norte...