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February 1945 Yalta Conference, Soviet Union

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February 1945 Yalta Conference, Soviet Union

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The leaders of state of the United States, the United Kingdom, and the Soviet Union met in Yalta, also referred as the Crimea Conference, from February 4 to 11, 1945, to address the post-World War I reconstruction of Germany and Europe.

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The United Nations was founded on the principles set forth in its Charter. At the closing of the United Nations Conference on International Organization, it was signed and established on June 26, 1945, in San Francisco, and it went into effect on October 24, 1945.

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The Trinity's nuclear test on July 16, 1945, marked the beginning of the so-called Atomic Age. At the Alamogordo Test Range in New Mexico, the first nuclear bomb was ever exploded. The plutonium-based implosion-type bomb, known as the "gadget," produced 19 kilotons and left a crater more than 300 meters wide.

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In Potsdam, there was the Potsdam Conference. Germany, between July 17 and August 2, 1945, to give the three principal Allies time to implement the postwar tranquility while steering clear of the errors of the 1919 Paris Peace Conference The Soviet Union, the United Kingdom, and the United States took part.

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August 1945 A-Bomb dropped on Nagasaki and Hiroshima

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August 1945 A-Bomb dropped on Nagasaki and Hiroshima

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Tens of thousands of citizens were killed, the cities were completely destroyed, and the bombings by the United States of the Japanese cities of Hiroshima and Nagasaki on August 6 and August 9, 1945, marked the first time an atomic bomb was used on humans.

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March 1946 Winston Churchill’s “Iron Curtain” speech

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March 1946 Winston Churchill’s “Iron Curtain” speech

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During his March 5, 1946, speech in Fulton, Missouri, former British prime minister Winston Churchill emphasized the need of the United States and Britain serving as the guardians of security and stability against the threat posed by Soviet communism, which had lowered a "iron curtain."

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President Harry S. Truman founded the Truman Doctrine, which states that the United States will offer diplomatic, militarily, and economic support to any democratic nation under attack from internal or external authoritarian forces.

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The 1948 Economic Recovery Act was signed by President Truman on April 3. It was given the name "Marshall Plan" in honor of Secretary of State George Marshall, who in 1947 suggested that the United States offer financial aid to rebuild postwar Europe's economic infrastructure.

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The Berlin Blockade was an endeavor by the Soviet Union in 1948 to restrict access to the American, British, and French sectors of Berlin, which were located inside Russian-occupied East Germany.

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Mao proclaimed the establishment of the People's Republic of China, a communist nation, on October 1, 1949. Mao assumed leadership of China's government and possessed nearly total power. When he confiscated land from rich individuals and donated it to peasants, he won the favor of many Chinese people.

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In order to guarantee collective security against the Soviet Union, the United States, Canada, and a number of Western European countries founded the North Atlantic Treaty Organization in 1949. The United States' first military partnership outside of the Western Hemisphere during peacetime was NATO.

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From 1950 until 1953, North Korea and South Korea engaged in combat. Following border conflicts and revolts in South Korea, North Korea invaded South Korea on June 25, 1950, sparking the start of the Korean War.

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On the Eniwetok Atoll in the Pacific Marshall Islands, the United States triumphantly detonated "Mike," the very first hydrogen bomb ever.

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The Southeast Asia Treaty Organization, or SEATO, was established in September 1954 by the United States, France, Great Britain, New Zealand, Australia, the Philippines, Thailand, and Pakistan. The group's goal was to stop communism from spreading over the area.

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The Warsaw Pact gave the participant nations a cohesive military command and the means to gradually tighten Soviet control over them.

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Hungary's unplanned national revolt, which had started 12 days earlier, was brutally put down on November 4, 1956, by Soviet tanks and troops. Thousands of people died or were injured, and about a quarter of a million Hungarians left the nation.

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A summit conference between the United States, the Soviet Union, the United Kingdom, and France in Paris was called off as a result of the U-2 incident, a conflict between the United States and the Soviet Union that started with the shooting down of an American U-2 reconnaissance plane over the Soviet Union in 1960.

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Between East and West Berlin, the Communist government of the German Democratic Republic (GDR, or East Germany) started constructing a "Antifascistischer Schutzwall" (German for "anti-fascist bulwark") made of concrete and barbed wire on August 13, 1961.

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Cuban exiles opposed to Fidel Castro's Cuban Revolution attempted a failed landing operation on Cuba's southwest coast in 1961, which was secretly funded and orchestrated by the United States government.

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4,004 combat deaths were reported by the South Vietnamese military forces, more than twice as many as the year before. North Vietnam infiltrated 6,300 people in 1961, mainly migrants from the south who were communists. The Vietnam War, often known as the Second Indochina War or the American War, came to a conclusion in 1975.

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With the launch of Sputnik, a basketball-sized satellite that became the first artificial object to orbit the Earth, the USSR quickly took the lead in the Cold War's "Space Race." The USSR launched Sputnik on October 4, 1957, making it the first man-made satellite to orbit the planet.

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On October 28, Khrushchev said publicly that Cuban Soviet missiles would be decommissioned and withdrawn the following morning. The naval quarantine persisted after the crisis was resolved but before the Soviet Union decided to withdraw its IL-28 bombers from Cuba and the United States lifted the quarantine on November 20, 1962.

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The Communist Party of Afghanistan and the Soviet Army engaged in a nine-year guerrilla war against rebel groups known collectively as the Mujahideen, as well as smaller Marxist-Leninist-Maoist groups, primarily in the Afghan countryside, throughout the 1980s.

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One of several acts the United States took to denounce the Soviet invasion of Afghanistan was the boycott of the 1980 Summer Olympics. Later, the Soviet Union and its allies boycotted the 1984 Summer Olympics in Los Angeles, which were held by the Soviet Union in Moscow in 1980.

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Four years after the 1980 Summer Olympics in Moscow were boycotted under American leadership, the 1984 Summer Olympics were held in Los Angeles.

14 nations and allies from the former Eastern Bloc participated in the boycott, which was started on May 8, 1984, by the Soviet Union.

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The Soviet Union's dissolution(1988–1991) was a process of internal disintegration within the USSR that ended the existence of the nation and the federal government as sovereign states and granted full sovereignty to its constituent republics.