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Japanese Attack on Pearl Harbor
Japan launched a surprise military strike against the U.S. naval base in Hawaii. Attack resulted in the destruction of numerous ships and aircraft and caused over 2,400 American deaths. Japan aimed to cripple the U.S. Pacific Fleet to prevent American interference in its expansion across Southeast Asia. Significance was that it led to the U.S. to formally enter WWII, fundamentally shifting the course of the conflict. -
Creation of the United Nations
Promote international cooperation, peace, and security. It was established by 51 founding countries who sought to prevent future conflict. Was a response to the failures of the League of Nation's & the widespread desire for a more effective global organization. Significance is that it serves as a central platform for conflict resolution, & international relations. -
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Berlin Airlift
Massive operation by Western Allies to deliver food, fuel, and supplies to West Berlin after the Soviet Union blockaded all ground routes into the city. Over 277,000 flights were made, carrying over 2 million tons of goods, primarily by the U.S. & British air forces. The operation demonstrated the ability to sustain a city entirely by air transport despite political and military pressure. Its significance lies in its successful challenge to Soviet aggression. -
Soviet Union Obtains Nuclear Weapons
Successfully tested its first atomic bomb at a test site in Kazakhstan. Development of the bomb was accelerated by intelligence gathered from the U.S. Manhattan Project & was driven by the desire to end the American monopoly on nuclear power. Soviet Union's obtainment of nuclear weapons marked the beginning of the nuclear arms race. -
China becomes Communist
China became communist after the Chinese Communist Party (CCP) won the Chinese Civil War against the Nationalist Party. CCP established the People's Republic of China. The revolution was driven by social inequality, economic hardship, and anti-imperialist sentiments among the Chinese population. Significance was the creation of a powerful, centrally controlled state that dramatically altered the global political state landscape during the Cold War & influenced international relations. -
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Korean War
North Korea invaded South Korea, prompting a Unite Nations to intervene in support of the South. Conflict saw intense fighting across Korea, with both sides gaining and losing ground but ultimately resulting in a stalemate. The significance was that it marked the first major military conflict of the Cold War, solidified the division of Korea, & set the stage for future U.S. involvement in Asia to contain the spread of communism. -
Construction of Berlin Wall Begins
East German government constructed a barrier to prevent East Berliners from fleeing to West Berlin. Initially a barbed wire fence, it was later reinforced with concrete walls, guard towers, & other security measures. Was built to stop the mass emigration from East Germany to the West. Significance was that it became a powerful symbol of the Cold War, representing the ideological & physical divide between the communist East and West. -
Cuban Missile Crises
U.S. discovered that the Soviet Union had secretly deployed nuclear missiles in Cuba. In response, President Kennedy imposed a naval blockade around Cuba & demanded the removal o the missiles, leading to a 13-day standoff. Crisis eventually resolved when the Soviet Union agreed to withdraw the missiles in exchange for the U.S. secretly removing its missiles from Turkey & promising not to invade Cuba. Significance was that it brought the world to the brink of nuclear war -
Nuclear Test Ban Ratified
Treaty prohibited nuclear weapons tests in the atmosphere, outer space, and underwater, but allowed underground tests to continue. response to growing global concerns over radioactive fallout and the escalation nuclear arms race. Significance was that it marked the first step towards controlling nuclear weapons and laid the groundwork for future arms control agreements.