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The 1950s (pronounced "nineteen-fifties", commonly abbreviated as the "Fifties") was a decade of the Gregorian calendar that began on January 1, 1950 and ended on December 31, 1959. By its end, the world had largely recovered from World War II and the Cold War developed from its modest beginning in the late-1940s to a hot competition between the United States and the Soviet Union by the early-1960s. Clashes between communism and capitalism dominated the decade, especially in the Northern Hemisphere. The conflicts included the Korean War in the beginnings of the decade and the beginning of the Space Race with the launch of Sputnik 1. Along with increased testing of nuclear weapons (such as RDS-37 and Upshot-Knothole), this created a politically conservative climate. In the United States, the Second Red Scare caused Congressional hearings by both houses in Congress and anti-communism was the prevailing sentiment in the United States throughout the decade. The beginning of decolonization in Africa and Asia occurred in this decade and accelerated in the following decade. == Wars and conflicts == * Cold War conflicts involving the influence of the rival superpowers of the Soviet Union and the United States * * Korean War (1950–1953) – The war, which lasted from June 25, 1950, until the signing of the Korean Armistice Agreement on July 27, 1953, started as a civil war between North Korea and the Republic of Korea (South Korea). When it began, North and South Korea existed as provisional governments competing for control over the Korean peninsula, due to the division of Korea by outside powers. While originally a civil war, it quickly escalated into a war between the Western powers under the United Nations Command led by the United States and its allies and the communist powers of the People's Republic of China and the Soviet Union. On September 15, General Douglas MacArthur conducted Operation Chromite, an amphibious landing at the city of Inchon (Song Do port). The North Korean army collapsed, and within a few days, MacArthur's army retook Seoul (South Korea's capital). He then pushed north, capturing Pyongyang in October. Chinese intervention the following month drove UN forces south again. MacArthur then planned for a full-scale invasion of China, but this was against the wishes of President Truman and others who wanted a limited war. He was dismissed and replaced by General Matthew Ridgeway. The war then became a bloody stalemate for the next two and a half years while peace negotiations dragged on. The war left 33,742 American soldiers dead, 92,134 wounded, and 80,000 Missing in action (MIA) or Prisoner of war (POW). Estimates place Korean and Chinese casualties at 1,000,000–1,400,000 dead or wounded, and 140,000 MIA or POW. * * The Vietnam War began in 1959. Diem instituted a policy of death penalty against any communist activity in 1956. The Vietminh began an assassination campaign in early 1957. An article by French scholar Bernard Fall published in July 1958 concluded that a new war had begun. The first official large unit military action was on September 26, 1959, when the Vietcong ambushed two ARVN companies.〔(【引用サイトリンク】title=The Pentagon Papers, Volume 1, Chapter 5, Section 3, "Origins of the Insurgency in South Vietnam, 1954-1960" )〕 * Arab–Israeli conflict (Early 20th century-present) * * Suez Crisis (1956) – The Suez Crisis was a war fought on Egyptian territory in 1956. Following the nationalisation of the Suez Canal in 1956 by Gamal Abdel Nasser, the United Kingdom, France and Israel subsequently invaded. The operation was a military success, but after the United States and Soviet Union united in opposition to the invasion, the invaders were forced to withdraw. This was seen as a major humiliation, especially for the two Western European countries, and symbolizes the beginning of the end of colonialism and the weakening of European global importance, specifically the collapse of the British Empire. * Algerian War (1954–1962) – An important decolonization war, it was a complex conflict characterized by guerrilla warfare, maquis fighting, terrorism against civilians, use of torture on both sides and counter-terrorism operations by the French Army. The war eventually led to the independence of Algeria from France. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1950s」の詳細全文を読む スポンサード リンク
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