Hidden 'crypto-Jews,' the descendants of the Dönme, secretly ran the Young Turk revolution, founded the Turkish Republic, and covertly control Turkey's politics and media
Where the evidence lands: ContradictedAs its promoters state it: that a hidden network of Dönme 'crypto-Jews,' outwardly Muslim but secretly loyal to Judaism, engineered the 1908 Young Turk revolution and the fall of Sultan Abdülhamid II, founded the secular Turkish Republic under leaders who were themselves concealed Jews, and continue to control Turkey's government, economy, and media from behind the scenes.
Believed by: A widely circulated conspiracy narrative in Turkey rather than a fringe one, promoted across Islamist, ultranationalist, and secular-nationalist writing and amplified at times by pro-government media. Survey and interview research by Türkay Salim Nefes finds right-wing parties invoking it while liberal and left parties distance themselves. Historians, sociologists, and the descendants of the community reject it as antisemitic pseudoscience.
The full story
The real Dönme, and the false leap
Begin with the history that is true, because the conspiracy depends on it. In 1666 Sabbatai Zevi, a kabbalist from Izmir whom large numbers of Jews had proclaimed the messiah, was arrested by Ottoman authorities and, facing execution, converted to Islam. A core of his followers converted with him. They became known as the Dönme, a name meaning roughly “converts” or “turncoats” that outsiders applied to them; among themselves they were “the believers.” They settled largely in Salonica, then an Ottoman city, and lived for centuries as an endogamous community, practicing Islam in public while keeping some Sabbatean traditions in private.
This is a real community with a real, documented past. As the historian Marc David Baershows in his study of the Dönme, by the late nineteenth century they were prominent in Salonica's trade, journalism, and modern schools, and helped make the port one of the empire's most cosmopolitan cities. After the 1923 population exchange between Greece and Turkey, in which they were counted as Muslims, most relocated to Turkey. Their descendants are citizens like any others.
That is the historical kernel. The false leapis everything the modern conspiracy stacks on top of it: that hidden Dönme “crypto-Jews” secretly engineered the 1908 Young Turk revolution, covertly founded and now control the secular Turkish Republic, and steer the country's politics and media from behind the scenes. This file keeps those two things apart on purpose. Describing the historical Dönme is legitimate scholarship. The claim of a secret hand on the state is a debunked antisemitic conspiracy theory, and the space between them is exactly where the dishonesty lives.
How a revolution became a 'plot'
The load-bearing claim is that the 1908 Young Turk revolution was secretly a Jewish and Dönme conspiracy. It was not. The Committee of Union and Progresswas a broad Ottoman reform movement of officers, officials, and intellectuals drawn from many communities, and it organized in Salonica for the mundane reason that Salonica was the empire's most modern, connected city. That same cosmopolitan character is what let opponents recast a constitutional movement as a hidden cabal: because the city held large Jewish and Dönme populations, the revolution could be smeared as their secret work.
The “Jewish-Masonic” framing did not come from evidence of Dönme direction. It came from anti-CUP propaganda and, notably, from British diplomatic dispatches around 1910, in which Ambassador Gerard Lowther and his staff reported a supposed Jewish and Masonic hand behind the Committee. Historians treat those reports as an early channel that lent the fantasy an undeserved air of authority. Layered on top came the forged Protocols of the Elders of Zion, whose template of a secret Jewish syndicate running governments and finance gave the local claim its grammar.
That some individuals of Dönme background took part in public life is not a hidden hand on the state; it is participation, the same participation open to every Ottoman community.
The claim then climbs higher: that Mustafa Kemal Atatürkand the Republic's founders were themselves concealed Jews, which is offered as the reason Turkey became secular. There is no credible evidence for the ancestry claim, and the argument beneath it is the antisemitic premise itself, that a leader's supposed hidden Jewishness would explain and discredit a policy the theorist dislikes. Turkish secularism has its own documented political history; relabeling it a crypto-Jewish scheme turns ordinary national history into the work of an invented enemy.
The bestseller machine
A debunked idea survives on repetition, and in Turkey the crypto-Jew trope has been repeated at scale. In 2004 the Hürriyet journalist Soner Yalçın published Efendi: The Great Secret of the White Turks, arguing that a Dönme-descended elite had covertly governed the Republic. It became a runaway bestseller, reported to have sold on the order of two hundred thousand copies, and set off a wave of imitation “exposé” books naming this or that figure as a secret Jew or Dönme.
Sales are not evidence, and scholars who read this genre closely say so plainly. Rifat Bali, who has written extensively on the Dönme and on Turkish antisemitism, describes such works as pseudo-scholarship: guilt by genealogy, selective “revelation” of people's ancestry, and recycled Protocols motifs, dressed as investigation. The sociologist Türkay Salim Nefes, in research published in The Sociological Review and elsewhere, shows how the theory functions politically: right-wing parties invoke it to voice national insecurities, while liberal and left parties distance themselves from it. The books flatter a suspicion that is already there; they do not document a plot that is actually out there.
The Moshe Dayan Center and other monitors track this as a durable, mainstream-adjacent strand of Turkish conspiracy culture, one that has reached the level of best-selling print and, at times, sympathetic media. Reach is not the same as truth. A claim can saturate a market precisely because it is comforting, legible, and unfalsifiable, and this one is all three.
Why the myth persists
If the evidence is this thin, the real question is why the story keeps its grip. Part of the answer is that it opens with a true history. The Dönme existed, followed Sabbatai Zevi, and kept to themselves, so a reader who verifies the opening finds it holds, and that early confirmation lends borrowed credibility to the false claims that follow.
Secrecydoes the rest. Because the community was genuinely private about its religion, almost anything can be asserted about it and little disproven; Nefes has analyzed precisely how this secrecy becomes the engine of the conspiracy, letting it feel like hidden knowledge rather than guesswork. The story also answers a political mood. Turkey's so-called Sevres syndrome, the fear of secret schemes to subvert the nation, gives it a ready-made shape, and a concealed internal enemy is more satisfying than the messy truth of history. Finally, it arrived pre-loaded: the Protocols of the Elders of Zion had already supplied the image of a hidden Jewish cabal, so the Dönme claim only had to pour a local name into an old mold, then let popular books and sympathetic commentators carry it.
None of this is a case for the theory. It is an account of why a claim the evidence cannot support still finds sponsors, which is the part a bare fact-check tends to leave out.
Named for what it is
The Dönme “crypto-Jew” conspiracy is antisemitic, and this file says so directly. Its function is to take a small religious minority and cast its hidden descendants as the secret masters of a state, which is the oldest move in the machinery of Jew-hatred, here fused explicitly with the forged Protocols of the Elders of Zion. That it thrives in a country with almost no Jews left, a community now numbering in the low tens of thousands, is not a mitigating detail; it is the signature of this kind of antisemitism, which needs a scapegoat far more than it needs actual Jews.
Strip away the packaging and it is one very old accusation: that a hidden Jewish hand secretly runs everything.
The harm is real and documented. Researchers such as Rifat Bali and Türkay Salim Nefes, and monitors like the Moshe Dayan Center, describe an atmosphere of suspicion and periodic hostility that falls on a tiny minority, produced by a smear aimed at a phantom. It is worth being careful in the other direction too: the historical Dönme and their descendants are people, not a plot, and much of what the conspiracy “reveals” is simply their ordinary ancestry weaponized against them.
So the verdict is not a close call. The Dönme are real and their history deserves honest telling; the claim that hidden crypto-Jews secretly ran the revolution, founded the Republic, and control Turkey is a debunked antisemitic conspiracy theory that no evidence sustains. The site's job here is to rebut the smear plainly and to keep the page pointed where it belongs: at the conspiracy, never at the community it maligns.
What's still unexplained
- What remains genuinely open is historical and narrow, not the conspiracy: scholars still study how large the Dönme community was, how its sub-groups differed, and how far individual members participated in late-Ottoman commerce, journalism, and politics. None of that scholarly detail supports the claim of a hidden hand controlling the state.
- How much specific individuals of Dönme background contributed to particular institutions is a normal question of social history, the kind asked about every Ottoman community. Answering it honestly means counting participation, not positing a secret directorate, and the evidence never crosses from the first into the second.
- Why the trope persists in a country with almost no Jews is a question about propaganda and politics, not ancestry. It survives because it is useful to several camps at once and because the community's old secrecy keeps the story unfalsifiable, which is why debunks that cite only genealogy tend to miss its function.
Point by point
The claim: The Dönme are a real community, so the conspiracy is just describing something that exists.
What the record shows: The community is real, and this file does not dispute it. The Dönme genuinely descend from Sabbatai Zevi's followers who converted to Islam in 1666, genuinely lived as an endogamous group in Salonica, and genuinely kept some private traditions. But describing a small historical religious minority is one thing; claiming that its hidden descendants secretly run a nation of tens of millions is another entirely. The conspiracy smuggles a vast, unevidenced power claim in behind a modest, true historical one. Existence is not control.
The claim: The 1908 Young Turk revolution was secretly a Dönme and Jewish plot.
What the record shows: The Committee of Union and Progress was a broad Ottoman reform movement of officers, officials, and intellectuals of many backgrounds, not a crypto-Jewish front. It organized in Salonica because that cosmopolitan port was the empire's most modern city, which is also why the smear could latch onto it. The 'Jewish-Masonic' framing traces not to evidence of Dönme direction but to anti-CUP propaganda and to British diplomatic dispatches around 1910; later it was reinforced by the Protocols of the Elders of Zion. Some individuals of Dönme background took part in the era's politics, as did people of every Ottoman community; that is participation in public life, not a hidden hand steering the state.
The claim: Atatürk and the Republic's founders were secret Jews, which is why Turkey became secular.
What the record shows: There is no credible evidence that Mustafa Kemal Atatürk or the Republic's founders were concealed Jews or Dönme, and the claim's real work is the antisemitic premise beneath it: that a leader's supposed hidden Jewish ancestry would explain and delegitimize a policy someone dislikes. Turkish secularism was a documented political program with its own history and debates; recasting it as a covert Jewish scheme is a way to treat legitimate national history as the product of an alien conspiracy. Ancestry, real or invented, is not an argument, and 'a founder was secretly a Jew' is a slur dressed as an explanation.
The claim: Bestselling books like 'Efendi' show that serious researchers back the crypto-Jew thesis.
What the record shows: Sales are not evidence. Soner Yalçın's 2004 'Efendi' sold enormously, but scholars who examined it, including Rifat Bali, describe this genre as antisemitic pseudoscience: guilt-by-genealogy, selective 'exposure' of people's ancestry, and recycled Protocols motifs, not documented proof of any governing cabal. A book can top the charts because it flatters an existing suspicion, and Türkay Salim Nefes's research shows exactly that function, with the conspiracy expressing political insecurities rather than reporting a discovered plot. Popularity measures a market, not a fact.
The claim: The Dönme really were secretive, so suspicion of hidden loyalties is reasonable.
What the record shows: A persecuted minority keeping its rituals private is a survival strategy, not proof of a plot to run a country. Nefes has specifically analyzed how the community's secrecy is used as the engine of the conspiracy: because the group is discreet, any claim about it can be asserted and none disproven, which makes the theory feel deep while remaining unfalsifiable. The leap from 'this community was private about its religion' to 'this community covertly controls the state and press' is not supported by any document, budget, membership roll, or actor. Secrecy about worship is not a chain of command.
The claim: Turkey has almost no Jews, so this cannot really be antisemitism.
What the record shows: It is antisemitism precisely of the kind that flourishes without a large Jewish presence. Turkey's Jewish community has dwindled to the low tens of thousands, yet the crypto-Jew conspiracy remains widespread, which is the point scholars stress: the fantasy of hidden Jewish control does not require actual Jews, only a scapegoat. The Moshe Dayan Center and researchers like Bali and Nefes document the real harm, an atmosphere of suspicion, periodic hostility, and pressure on a tiny minority, produced by a smear aimed less at Jews who are present than at a phantom in the theorists' imagination.
Other readings
Angles that don't fit neatly into the claim or its rebuttal, laid out and weighed, not endorsed.
Why the story finds traction
The conspiracy draws on real raw material: a genuinely secretive community, a revolution that really did emerge from multi-ethnic Salonica, and deep national anxieties about hidden threats. Add the Protocols of the Elders of Zion as a ready template and amplification by popular books and sympathetic media, and a fact-shaped premise carries a false conclusion a long way. Explaining this is not endorsing it; it is why a claim the evidence cannot support keeps finding an audience.
The 'we are only doing history' defense
Promoters often insist they are merely researching the historical Dönme, not attacking anyone. The line this file holds is exactly that distinction. Documenting a 17th-century conversion and a Salonican community is legitimate history; asserting that their hidden descendants secretly run Turkey's government and press is the false, antisemitic leap. The tell is whether an account stops at the documented record or races on to the claim of covert control that no evidence sustains.
Timeline
- 1666Sabbatai Zevi, a kabbalist from Izmir hailed by many Jews as the messiah, is arrested by Ottoman authorities and converts to Islam rather than face execution. A core of his followers convert with him; they become known as the Dönme (roughly 'converts' or 'turncoats'), while calling themselves 'the believers.' They settle largely in Salonica.
- 17th–19th centuriesThe Dönme live as a distinct, endogamous community, outwardly Muslim and privately maintaining Sabbatean traditions, splitting into sub-groups. As historian Marc David Baer documents, by the late 19th century they were prominent in Salonica's commerce, journalism, and modern schools, helping drive the city's modernization.
- 1908–1909The Young Turk revolution, led by the Committee of Union and Progress that had organized in Salonica, forces the restoration of the constitution; Sultan Abdülhamid II is deposed in 1909. Because the movement arose in a city with large Jewish and Dönme populations, opponents recast a broad Ottoman constitutional movement as a secret 'Jewish-Masonic' plot.
- 1910–1911British diplomats in Istanbul, including Ambassador Gerard Lowther, circulate dispatches alleging that Jews, Freemasons, and Dönme secretly directed the Committee of Union and Progress. Historians treat these reports as an early diplomatic vector that lent the conspiracy an air of authority it never earned.
- 1923–1924In the Greece-Turkey population exchange the Dönme, counted as Muslims, are moved from Salonica to Turkey, mostly to Istanbul. In 1924 a community member, Karakaşzade Rüştü, publicly airs the group's separate identity, which suspicious outsiders seize on as proof of hidden loyalties.
- Mid-20th centuryThe forged Protocols of the Elders of Zion circulates in Turkish translation, and antisemitic writers such as Cevat Rifat Atilhan fuse its imagery of a global Jewish cabal with claims about the Dönme, hardening a local conspiracy tradition that treats secularism itself as a crypto-Jewish scheme.
- 2004Soner Yalçın, a journalist at the mainstream daily Hürriyet, publishes 'Efendi: The Great Secret of the White Turks,' arguing that a Dönme-descended elite has covertly governed Turkey. It becomes a runaway bestseller, reported to have sold on the order of two hundred thousand copies, and triggers a wave of imitation 'crypto-Jew' exposé books.
- 2000s–2020sThe trope stays in wide circulation, with best-selling books and pro-government commentators variously 'accusing' national founders and living politicians, including Atatürk and, at points, Recep Tayyip Erdoğan, of secret Jewish or Dönme origin. Scholars document it as a persistent, mainstream-adjacent strand of Turkish antisemitism.
Contradicted. This is a debunked antisemitic conspiracy theory, and its verdict is locked accordingly. It starts from a real community: the Dönme, descendants of the 17th-century followers of the false messiah Sabbatai Zevi, who converted to Islam alongside him in 1666 and were historically centered in Ottoman Salonica. That history is genuine and is treated here with respect. The false leap is the modern conspiracy stacked on top of it: that hidden Dönme 'crypto-Jews' secretly engineered the 1908 Young Turk revolution, covertly founded and control the secular Turkish Republic (with Mustafa Kemal Atatürk and later leaders recast as concealed Jews), and pull the strings of Turkish politics and media today. No evidence supports any coordinating cabal. Scholars including Marc David Baer, Rifat Bali, and Türkay Salim Nefes, and monitoring bodies such as the Moshe Dayan Center, document this as a central strand of modern Turkish antisemitism, drawing on the forged Protocols of the Elders of Zion, that has been amplified by bestselling books and pro-government media in a country whose Jewish population now numbers only in the low tens of thousands. We report the smear as the hoax it is; we never assert it and never target the community it maligns.
Reviewed by The Conspiratory Editors · Last reviewed July 20, 2026 · How we rate
Sources
- 1.Conspiracy Theory Culture in Turkey and the "Crypto-Jews": Dönmes, Moshe Dayan Center for Middle Eastern and African Studies
- 2.The Dönmes, or Crypto-Jews of Turkey, Rifat Bali, Central European University
- 3.Political Parties' Perceptions and Uses of Anti-Semitic Conspiracy Theories in Turkey, Türkay Salim Nefes, The Sociological Review (2013)
- 4.The Dönme: Jewish Converts, Muslim Revolutionaries, and Secular Turks, Marc David Baer, Stanford University Press (2010)
- 5.A descendant of a crypto sect of converts to Islam is challenging notions of Jewish identity, Stroum Center for Jewish Studies, University of Washington
- 6.Antisemitism in Turkey: Its Historical Roots and Manifestation, Jerusalem Institute for Strategy and Security (JISS)
- 7.Public Muslims, Secret Jews: A Turkish Sect Faces Crackdown, The Forward (2016)
- 8.Dönmeh, Wikipedia
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