North America 1850
Compromise of 1850
With its population booming, California wanted to join the Union as a free state - naturally antagonizing the slave states. After ...
North America 1890
Wounded Knee Massacre
By 1890, American Indian resistance in the western United States had been crushed and settlers and railways had closed the ...
North America 1900
Thousand Days' War
The Spanish-American War gave the US an empire in the Caribbean and the Pacific and marked its emergence as a ...
North America 1904
The American gains against Spain increased its interest in procuring a Central American canal to link its Atlantic and Pacific ...
North America 1914
Occupation of Veracruz
In 1913, General Huerta had seized power in Mexico in a bloody coup, much to the dislike of the US ...
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 1933
Bolivia and Paraguay were both left land-locked by the 19th century's wars in South America. Having lost substantial territory ...
North America 1934
The Great Depression hit the United States hard, with a nearly 45% drop in industrial production and widespread unemployment peaking ...
South America 1939
Declaration of Panama
In 1939, World War II broke out in Europe. In response, the United States and the other neutral nations of ...
the Arctic 1940
Invasion of Denmark and Norway
Germany had agreed to a partition of Eastern Europe with the Soviet Union, giving the Soviets leeway to attack Finland ...
North America 1941
When the Second World War broke out in Europe, the United States' improved relations with its neighbors allowed it to ...
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 ...