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Fifth column

A fifth column is any group of people who undermine a larger group or nation from within, usually in favor of an enemy group or another nation. According to Harris Mylonas and Scott Radnitz, "fifth columns" are "domestic actors who work to undermine the national interest, in cooperation with external rivals of the state".[1] The activities of a fifth column can be overt or clandestine. Forces gathered in secret can mobilize openly to assist an external attack. This term is also extended to organized actions by military personnel. Clandestine fifth column activities can involve acts of sabotage, disinformation, espionage, and/or terrorism executed within defense lines by secret sympathizers with an external force.

For other uses, see Fifth Column (disambiguation).

Origin[edit]

The term "fifth column" originated in Spain (originally quinta columna) during the early phase of the Spanish Civil War. It gained popularity in the Loyalist faction media in early October 1936 and immediately started to spread abroad.[2]


The exact origins of the term are not clear. Its first known appearance is in a secret telegram dated 30 September 1936, that was sent to Berlin by the German chargé d'affaires in Alicante, Hans Hermann Völckers. In the telegram, he referred to an unidentified "supposed statement by Franco" that "is being circulated" (apparently in the Republican zone or in the Republican-held Levantine zone), and he suggests that in that statement Franco had claimed that there were four Nationalist columns approaching Madrid, and a fifth column waiting to attack from the inside.[3] The telegram was part of the secret German diplomatic correspondence and was discovered long after the civil war.


The first identified public use of the term is in the 3 October 1936, issue of the Madrid Communist daily Mundo Obrero. In a front-page article, the party propagandist Dolores Ibárruri referred to a statement very similar (or identical) to the one that Völckers had referred to in his telegram, but attributed it to General Emilio Mola rather than to Franco.[4] On the same day, the PCE activist Domingo Girón made a similar claim during a public rally.[5] During the next few days, various Republican papers repeated the story, but with differing detail; some attributed the phrase to General Queipo de Llano.[6] By mid-October, the media was already warning of the "famous fifth column".[7]


Historians have never identified the original statement referred to by Völckers, Ibárruri, Girón, de Jong, and others.[8] The transcripts of Francisco Franco's, Gonzalo Queipo de Llano's, and Emilio Mola's radio addresses have been published, but they do not contain the term,[9] and no other original statement containing this phrase has ever surfaced. A British journalist who took part in Mola's press conference on 28 October 1936, claimed that Mola referred to quinta columna on that day,[10] but by that time the term had already been in use in the Republican press for more than three weeks.[11]


Historiographic works offer differing perspectives on authorship of the term. Many scholars have no doubt about Mola's role and refer to "fifth column" as "a term coined in 1936 by General Emilio Mola",[12] though they acknowledge that his exact statement cannot be verified.[13] In some sources, Mola is named as a person who had used the term during an impromptu press interview, and different—though detailed—versions of the exchange are offered.[14] Probably the most popular version describes the theory of Mola's authorship with a grade of doubt, either noting that it is presumed but has never been proven,[15] or that the phrase "is attributed" to Mola,[16] who "apparently claimed" so,[17] or else noting that "la famosa quinta columna a la que parece que se había referido el general Mola" (the famous fifth column that General Mola seems to have referred to)[18] Some authors consider it possible if not likely that the term has been invented by the Communist propaganda with the purpose of either raising morale or providing justification for terror and repression; initially it might have been part of the whispering campaign, but was later openly floated by Communist propagandists.[19] There are also other theories afloat.[20]


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.[a]

German minority organizations in formed the Sudeten German Free Corps, which aided Nazi Germany. Some claimed they were "self-defense formations" created in the aftermath of World War I and unrelated to the German invasion two decades later.[34] 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".[35]

Czechoslovakia

In 1945, a document produced by the 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".[36] 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".[37]

US Department of State

In 1979, , the President of Iraq, orchestrated a purge of political dissidents within the Ba'ath Party. Hussein claimed that he had uncovered a fifth column within the organization and ordered Muhyi Abdul-Hussein Mashhadi to confess his alleged involvement and that of 68 other politicians, who were promptly arrested.[38] Twenty-two of the arrested, including Mashhadi, were executed.[39][40]

Saddam Hussein

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 citizens from Japan and tested ballistic missiles near the waters of and over mainland Japan.[41]

Zainichi Koreans

A significant number of , who compose approximately 20% of Israel's population, identify more with the Palestinian cause than with the State of Israel or Zionism. As a result, many Israeli Jews, including politicians, rabbis, journalists, and historians, view them (and/or the main Israeli Arab political group, the Joint List) as a fifth column.[42][43][44][45]

Israeli Arabs

literature has sometimes portrayed Western Muslims as a "fifth column", collectively seeking to destabilize Western nations' identity and values for the benefit of an international Islamic movement intent on the establishment of a caliphate in Western countries.[46] Following the 2015 attack by French-born Muslims on the offices of Charlie Hebdo in Paris, the leader of the UK Independence Party Nigel Farage said that Europe had "a fifth column living within our own countries".[47] In 2001, Dutch politician Pim Fortuyn talked about Muslim immigrants being a "fifth column", on the night he was dismissed as leader of Liveable Netherlands.[48]

Counter-jihad

Mylonas, Harris; Radnitz, Scott (2022). . Oxford University Press. ISBN 978-0-19-762794-5.

Enemies Within: The Global Politics of Fifth Columns

The German Fifth Column in Poland. London: Polish Ministry of Info. 1941.

Bilek, Bohumil (1945). Fifth Column at Work. London: Trinity.

Loeffel, Robert (2015). The Fifth Column in World War II: Suspected Subversives in the Pacific War and Australia. Palgrave.

Britt G. The Fifth column is Here / George Britt. New York: Wilfred Funk, Inc., 1940

Lavine H. Fifth column in America / Harold Lavine (1915-). New York: Doubleday, Doran, Incorporated, 1940