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United Nations (UN) Formed
The United Nations, is an intergovernmental organization responsible for maintaining international peace and security, developing friendly relations among nations, achieving international cooperation, and being a center for harmonizing the actions of nations. -
Germany Divided
The separation of Berlin began in 1945 after the collapse of Germany. The country was divided into four zones, where each superpower controlled a zone. ... After Germany was divided into two parts, East Germany built the Berlin Wall to prevent its citizens from fleeing to the west. -
Truman Doctrine
The Truman Doctrine was an American foreign policy whose stated purpose was to counter Soviet geopolitical expansion during the Cold War. It was announced to Congress by President Harry S. Truman on March 12, 1947, and further developed on July 4, 1948, when he pledged to contain threats in Greece and Turkey -
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The Cold War
The Cold War was a period of geopolitical tension between the Soviet Union with its satellite states, and the United States with its allies after World War II. The historiography of the conflict began between 1946 and 1947. The Cold War began to de-escalate after the Revolutions of 1989. -
Marshall Plan
The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative passed in 1948 to aid Western Europe, in which the United States gave over $12 billion (nearly $100 billion in 2018 US dollars) in economic assistance to help rebuild Western European economies after the end of World War II. -
Berlin Airlift
The Berlin Airlift, 1948–1949. ... The United States and United Kingdom responded by airlifting food and fuel to Berlin from Allied airbases in western Germany. The crisis ended on May 12, 1949, when Soviet forces lifted the blockade on land access to western Berlin -
NATO Formed
The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union. NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere. -
Kim Il-sung invades South Korea
With the end of the Korean War, despite the failure to unify Korea under his rule, Kim il-sung proclaimed the war a victory in the sense that he had remained in power in the north. ... At the same time, he consolidated his power over the Korean communist movement. -
United Nations forces push North Korea to Yalu River- the border with China
Those who escaped envelopment and capture were forced back north. UN forces invaded North Korea in October 1950 and moved rapidly towards the Yalu River—the border with China—but on 19 October 1950, Chinese forces of the People's Volunteer Army (PVA) crossed the Yalu and entered the war -
Chinese forces cross Yalu and enter Korean War
Those who escaped envelopment and capture were forced back north. UN forces invaded North Korea in October 1950 and moved rapidly towards the Yalu River—the border with China—but on 19 October 1950, Chinese forces of the People's Volunteer Army (PVA) crossed the Yalu and entered the war. -
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Korean War
The Korean War was a war between North Korea and South Korea. The war began on 25 June 1950 when North Korea invaded South Korea following a series of clashes along the border. -
Armistice Signed
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany. Previous armistices had been agreed with Bulgaria, the Ottoman Empire and the Austro-Hungarian Empire -
Ethel and Julius Rosenberg Execution
Julius and Ethel Rosenberg were American citizens who were accused and convicted of spying on behalf of the Soviet Union. -
Warsaw Pact Formed
The Warsaw Treaty Organization, 1955. The Warsaw Treaty Organization (also known as the Warsaw Pact) was a political and military alliance established on May 14, 1955 between the Soviet Union and several Eastern European countries. -
Sputnik I
Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957, orbiting for three weeks before its batteries died, then silently for two more months before falling back into the atmosphere
