page_title: August 1950
section_title: August 4, 1950 (Friday)
hierarchical_section_title: August 1950 / August 4, 1950 (Friday)
caption_attribution_description: 朝鲜战争第二阶段联合国军进攻形势地图
context_page_description: The following events occurred in August 1950:
context_section_description: At a meeting of the Politburo of the Chinese Communist Party, Chairman Mao Zedong called on the Party to prepare for the People's Liberation Army to enter the Korean War.  According to minutes from the meeting, Mao told the Politburo that "If the U.S. imperialists win the war, they would become more arrogant and threaten us... we have to prepare for this." 
  The Pusan Perimeter, 140 miles in length in southeastern Korea, was established as the line of defense for United Nations forces by Lt. General Walton H. Walker of the U.S. Eighth Army.
  The first medical evacuation flight in the Korean War was made by a U.S. Marines Sikorsky H-5 helicopter, which transported two unidentified wounded soldiers from a battlefield to a military evacuation hospital. There would be 9,815 MEDEVAC flights that saved the lives of wounded men transported during the war.
  The U.S. State Department canceled the passport of African-American singer and activist Paul Robeson, after he refused to sign an oath that he was not affiliated with any Communist organizations.
  Counterattack magazine, which purported to identify Communist Party members and sympathizers in the motion picture and television industries, reported that actors Marlon Brando and Burt Lancaster, and director Elia Kazan, were all persons who had a "Communist front record".
  Radio Free Europe began broadcasting to Poland and to Hungary, after having started on July 4 with transmissions to Czechoslovakia.  Bulgaria was added for transmissions on August 11.
  The film noir Kiss Tomorrow Goodbye starring James Cagney and Barbara Payton premiered in New York City.
  Born: Caldwell Jones, basketball player, in McGehee, Arkansas (d. 2014)
caption: Pusan perimeter (in green)
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