North America 1838
Fragmentation of Central America
A united Central America had broken away from Mexico in 1823, but remained unstable. In 1837, revolution erupted in Guatemala ...
North America 1840
Mexico was more stable than Central America, but only marginally so. Under the Centralist regime which had held sway since ...
North America 1840
The Comanche had taken advantage of Mexican weakness to gain control of the trade routes crossing the southern Great Plains ...
North America 1842
Conflict with the Comanche did not stop Texas from pursuing its vast territorial claims against Mexico. In 1841 the Texians ...
North America 1843
By the early 1840s, American settlers, arriving overland in increasing numbers along what became known as the Oregon Trail, were ...
North America 1849
California Gold Rush
Just days before the signing of the Treaty of Guadalupe Hidalgo, gold was discovered at Sutter's Mill in California ...
North America 1857
For many US citizens, the Mexican-American War had demonstrated that conquering Latin America was both easy and the natural destiny ...
North America 1859
Raid on Harpers Ferry
The 1850s conflict in the US over slavery was not limited to Kansas. In 1859, the abolitionist John Brown and ...
North America 1885
In the Canadian northwest, tensions between the mixed ancestry Métis and the encroaching government led to a rebellion under Louis ...
South America 1918
South America in the Great War
When World War I broke out in Europe, the German East Asia Squadron attempted to reach the Atlantic via the ...
North America 1921
Washington Naval Conference
Following the War, the US and Japan began expanding and modernizing their fleets. To avoid an arms race between these ...
South America 1922
In 1922, Colombia and Peru signed the Salomón–Lozano Treaty to resolve their long-standing border dispute. However, Peru - which had ...
South America 1942
Brazil enters World War II
On 7 December 1941, Japan bombed Pearl Harbor, bringing the United States into World War II. Brazil almost immediately began ...
North America 1944
America in World War II
Following the Japanese attack on Pearl Harbor, Germany declared war on the United States, bringing its U-boat campaign to the ...
South America 1948
Following the end of World War II, suspicion and hostility grew between the United States and the Soviet Union. In ...
North America 1949
North Atlantic Treaty
World War II left the United States and the Soviet Union as the dominant powers in Europe. Relations between the ...
North America 1962
Cuban Missile Crisis
US-Cuban relations quickly deteriorated as Castro's new regime cracked down on the influence of foreign businesses and supported revolution ...
South America 1962
Cold War reaches Latin America
Less than a month after the signing of the Rio Pact in 1948 - and while the Organization of American States ...
North America 1983
Central American Crisis
In 1979, left-wing Sandinista forces [[WNicaraguan_Revolution|overthrew the government in Nicaragua]], with a similar revolution threatening to topple the junta ...
North America 1994
New World Order
In 1990, Iraq invaded Kuwait - the first major crisis of the post-Cold War world. Under US leadership, a global ...