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A Fifth Column is a group of people who undermine a larger group, such as a nation or a besieged city, from within. The activities of a Fifth Column can be overt or clandestine. Forces gathered in secret can mobilize when coordination with an external attack requires and extend even to uniformed military operations as part of a coordinated campaign. They can be clandestine, involving acts of sabotage, disinformation, or espionage executed within defense lines by secret sympathizers with an external force.


Emilio Mola, a Nationalist General during the Spanish Civil War, told a journalist in 1936 that as his four columns of troops approached Madrid, a "fifth column" of supporters inside the city would support him and undermine the Republican government from within. The term was then widely used in Spain. Ernest Hemingway used it as the title of his only play, which he wrote in Madrid while the city was being bombarded, and published in 1938 in his book The Fifth Column and the First Forty-Nine Stories.[1]

Some writers, mindful of the origin of the phrase, use it only in reference to military operations rather than the broader and less well defined range of activities that sympathizers might engage in to support an anticipated attack. Madeleine Albright, for example, in a lengthy account of German sympathizers in Czechoslovakia in the first years of World War II, reserves it for their possible response to a German invasion: "Many, perhaps most, of the Sudetens would have provided the enemy with a Fifth Column."[2]

Contemporaneous usage

In the United States towards the end of the 1930s, with involvement in the European war seeming to be ever more likely, those who feared the possibility of betrayal from within used the newly coined term "Fifth Column" as a shorthand for sedition and disloyalty. The rapid fall of France in 1940 led many to blame a "Fifth Column" rather than German military superiority. Political factions in France blamed one another for the nation's defeat and military officials blamed the civilian leadership, all helping feed American anxieties. In June 1940, Life magazine ran a series of photos under the heading "Signs of Nazi Fifth Column Everywhere". In July 1940, Time magazine called fifth column talk a "national phenomenon".[3] The New York Times (August 1940) referred to "the first spasm of fear engendered by the success of fifth columns in less fortunate countries".[4] One report identified participants in Nazi "Fifth Columns" as "partisans of authoritarian government everywhere", citing Poland, Czechoslovakia, Norway, and the Netherlands.[5]

The British journalist John Langdon-Davies, who covered the Spanish Civil War, popularized the term "Fifth Column" by publishing an account called The Fifth Column in 1940. The New York Times published three editorial cartoons that used the term on August 11, 1940.[6]

Later usage

Sudeten German Freikorps

  • German minority organizations in Czechoslovakia formed the Sudeten German Free Corps, which aided the Third Reich. Some claimed they were "self-defense formations" created in the aftermath of World War I and unrelated to the German invasion two decades later.[7] More often their origins were discounted and they were defined by the role they played in 1938–39: "The same pattern was repeated in Czechoslovakia. Henlein's Free Corps played in that country the part of Fifth Column".[8] Albright uses the term in this context only to describe what did not happen, in that the German invasion met no Czech resistance, obviating the possibility of anyone playing the role of Fifth Column in the military sense.[2]
  • In 1945, a document from the U.S. Department of State compared the earlier efforts of Nazi Germany to mobilize the support of sympathizers in foreign nations to the superior efforts of the international communist movement at the end of World War II: "a communist party was in fact a Fifth Column as much as any [German] Bund group, except that the latter were crude and ineffective in comparison with the Communists".[9] Arthur M. Schlesinger, Jr., wrote in 1949: "the special Soviet advantage — the warhead — lies in the Fifth Column; and the Fifth Column is based on the local Communist parties."[10]
  • North Koreans living in Japan, particularly those affiliated with the organization Chongryun (which is itself affiliated with the government of North Korea) are sometimes seen as a "Fifth Column" by some Japanese, and have been the victims of verbal and physical attacks. These have occurred more frequently since the government of Kim Jong Il acknowledged it had abducted Japanese people and tested ballistic missiles.[11]
  • Some Israeli Jews, including politicians, rabbis, journalists, and historians, who believe that Arab-Israelis identify more with the Palestinian cause than with the State of Israel or Zionism have referred to the Arab citizens of Israel, who compose approximately 20% of Israel's population, as a Fifth Column.[12][13]
  • Robert A. Heinlein's science fiction novel Sixth Column (1949) describes the work of a "Sixth Column," a hidden resistance movement fighting an oppressive occupying force of Asians on American soil. The novel included many references to the Spanish events in which the term originated, so as to contrast the — in the author's view — traitorous Fifth Column with the novel's patriotic sixth.[14]

See also

  • Demographic threat
  • Front organization
  • Quisling


  1. The Fifth Column and Forty-Nine Stories. The Literary Encyclopedia. Retrieved 24 June 2010.
  2. 2.0 2.1 Albright, Madeleine (2012). Prague Winter: A Personal Story of Remembrance and War, 1937-1948. NY: HarperCollins. pp. 102. 
  3. Richard W. Steele, Free Speech in the Good War (St. Martin's Press, 1999, 75-6
  4. New York Times: Delbert Clark, "Aliens to Begin Registering Tuesday," August 25, 1940, accessed June 27, 2012.
  5. New York Times: Otto D. Tolischus, "How Hitler Made Ready: I - The Fifth Column," June 16, 1940, accessed July 7, 2012. "Luxembourg was almost completely seized by German tourists with machine guns even before German regulars arrived."
  6. New York Times: Frederick R. Barkley, "Nation Shapes Defense against Foes at Home," August 11, 1940, accessed July 7, 2012
  7. Robert G.L. Waite, Vanguard of Nazism: The Free Corps Movement in Post-War Germany, 1918-1923 (1952), 88
  8. Yale Law School: Nuremberg Trial Proceedings Volume 4, 215, December 20, 1945, accessed July 19, 2012
  9. Thomas G. Paterson, Meeting the Communist Threat: Truman to Reagan (Oxford University Press, 1988), 10
  10. Arthur M. Schlesinger, Jr., The Politics of Freedom (Heinemann, 1950), 92-3
  11. "North Koreans in Japan have long been vilified as a communist fifth column" (Hans Greimel, "Test sparks N. Korea Backlash in Japan", Associated Press dispatch, October 24, 2006 [1])
  12. "... they hurl accusations against us, like that we are a 'Fifth Column'." (Roee Nahmias, "Arab MK: Israel committing 'genocide' of Shiites", Ynetnews August 2, 2006)
  13. "... a Fifth Column, a league of traitors" (Evelyn Gordon, "No longer the political fringe", Jerusalem Post September 14, 2006)
  14. Robert A. Heinlein, Sixth Column (Gnome Press, 1949), 36: "this would not be a Fifth Column of traitors, bent on paralysing a free country; but the antithesis of that, a Sixth Column of patriots whose privilege it would be to destroy the morale of invaders, make them afraid, unsure of themselves." See Mark Yon, Review of Heinlein, Sixth Column, accessed July 23, 2012

Further reading

  • "The German Fifth Column in Poland" London: Polish Ministry of Info, 1941
  • "Fifth Column at Work" by Bohumil Bilek, description of German minority in Czechoslovakia, London, Trinity, 1945

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