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 1852
Opening up the West
The surge in migrants heading west put increasing pressure on the Oregon Trail. To secure the Trail, the US government ...
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 1898
By 1898, the long-running Cuban war for independence was aggravating US-Spanish relations. In February, the USS Maine sunk in an ...
South America 1899
Republic of Acre
During the 1890s, thousands of Brazilian workers traveled up the Amazon to the Bolivian-claimed region of Acre in search of ...
North America 1907
Central American instability came to a head in 1907, when Nicaragua invaded and occupied Honduras. Fed up with the endless ...
North America 1907
Great White Fleet
In 1902-03, Britain, Germany and Italy had blockaded Venezuela when it refused to repay its foreign debts. In response, US ...
South America 1908
Rio Branco's Treaties
The scramble for resources, especially rubber, in the South American interior in the late 19th and early 20th centuries saw ...
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 ...
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 1966
Operation Power Pack
Castro's success in Cuba helped inspire further revolts across Latin America. In April 1965, the Dominican Revolutionary Party overthrew ...
South America 1970
Exporting the Revolution
The success of the Cuban Revolution inspired revolts and left-wing insurgencies across the Americas. However, most of these movements lacked ...
North America 1974
Outside the Americas, the US had been fighting communism in Vietnam since the early 1960s. Meanwhile American society was being ...
North America 1979
Decolonization in the Caribbean
In the 1960s and '70s, the British withdrew from most of their remaining colonies in the Americas. A brief attempt ...
South America 1982
In 1982, partially to mobilize patriotic support in the face of its dwindling popularity, Argentina's military junta invaded the ...