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Wikipedia’s ‘Supreme Court’ tackles alleged conspiracy to distort articles on Holocaust
(JTA) — When a pair of professors earlier this month published a paper accusing a group of Wikipedia editors from Poland of revising articles to distort the history of the Holocaust, their research went viral.
Most academic articles are seen by dozens or hundreds of people at best. This one, published in The Journal of Holocaust Research, hit more than 27,000 pageviews within weeks.
The paper’s reach was fueled by its analysis, unprecedented in the academic literature on Wikipedia, and its finding that a dedicated group has for some 15 years manipulated a source of information used by millions in ways that lay blame for the Holocaust on Jews and absolve Poland of almost any responsibility for its record of antisemitism.
The paper caught the eye of not just scholars and journalists but of the people in charge of resolving disputes over editing on crowd-sourced Wikipedia, the seventh-most popular website on the internet and one that is seen as the last bastion of shared truth in an ever-fracturing online environment.
Typically, disputes among Wikipedia editors are resolved through community consensus mechanisms, but occasionally those mechanisms fail and allegations are brought to Wikipedia’s Arbitration Committee, a panel of elected editors known as Wikipedia’s Supreme Court.
“Wikipedia is not exactly democratic but anarchistic in a way that actively discourages any sort of an authority coming to solve a dispute,” said Joe Roe, a veteran Wikipedia editor who served on the committee in 2019 and 2020. “The Arbitration Committee is a very limited exception.”
In this case, something especially unusual happened. The Arbitration Committee, or ArbCom, decided to look into the allegations without receiving a formal request to do so. No one could recall the committee taking such a step in its nearly two decades of existence.
“A myopic decision here could result in untold numbers of people being fed a distorted view of Jewish/WWII history, which could have very real consequences given the recent amplification of violently antisemitic rhetoric by mainstream public figures,” wrote a user named SamX in a public post about the case. “ArbCom needs to get this right.”
The article that triggered the opening of the case was published under the title, “Wikipedia’s Intentional Distortion of the History of the Holocaust.” It accused 11 current and former editors of intentional distortions to numerous articles relating to the Holocaust in Poland. The paper referred to the editors by their usernames but also provided their real names if they had publicly identified themselves on Wikipedia message boards.
“Due to this group’s zealous handiwork, Wikipedia’s articles on the Holocaust in Poland minimize Polish antisemitism, exaggerate the Poles’ role in saving Jews, insinuate that most Jews supported Communism and conspired with Communists to betray Poles, blame Jews for their own persecution, and inflate Jewish collaboration with the Nazis,” wrote co-authors Jan Grabowski, a historian at the University of Ottawa, and Shira Klein of the history department at Chapman University in Orange, California.
Normally, mistakes on Wikipedia, whether intentional or not, can be quickly fixed by experienced editors who deploy a set of rules regarding sourcing and style. But in this case, the alleged distortionists know Wikipedia’s mechanisms well enough to at least appear to follow the rules and are willing to spend time arguing with other editors who step in to intervene. It becomes harder to get to the truth because they work to discredit established historians and prop up fringe voices to create the semblance of a real-world debate over historical events, according to the article.
In one of the dozens of examples documented in the study, the alleged distortionists have tried to pass the self-published work of an antisemitic Polish writer named Ewa Kurek as a reliable source. Kurek has said that COVID-19 is a cover for an attempt by Jews to take over Europe and that Jews enjoyed life in Nazi ghettos. An editor named Volunteer Marek argued in a backstage conversation among editors that Kurek should be cited as any “mainstream scholar” would be. And another editor, working on an article about a 1941 massacre of Jews in Poland, added Kurek’s claim that minimized the number of Jewish victims and exonerated Polish perpetrators.
Jewish school children pose for a portrait in the 1930s in Wizna, near Jedwabne, Poland. New research revealed that members of the Polish community killed their Jewish neighbors on July 10, 1941 during World War ll despite previous claims that Nazi Germans were entirely responsible. Polish President Aleksander Kwasniewski apologized for the massacre of hundreds of Jews by their neighbors during ceremonies marking the 60th anniversary of the murders. (Laski Diffusion/Getty Images)
One thing the research didn’t discuss is what motivates these editors to invest so much time and effort into distorting Wikipedia. Klein said the omission was deliberate.
“We’ve been very careful not to make any assumptions on what drives them or what their politics are,” Klein said. “Instead, we’ve tried to focus just on what they’ve done, which is in the written record. And as we say in the article, we don’t see any evidence of them being tied to a government or being in the service of anyone else.”
Klein’s disclaimer obliquely points to a larger challenge around the historical record of the Holocaust in Poland. A central tenet of the country’s ruling Law and Justice party is defending the image of ethnic Poles and imposing nationalist narratives on the past, especially the period of World War II. While history shows that many Poles participated in the persecution of Jews, Poland’s nationalist right insists on portraying Poles only as victims or heroes.
In 2018, the Polish government passed what’s known as the Polish Holocaust Law, which makes it illegal to slander the Polish nation or blame the country for Nazi crimes. In practice, the law has served to censor scholars and chill debate.
Grabowski, Klein’s co-author on the paper, has for years sparred with the nationalist right over Poland’s historical memory. He sued a Polish group that accused him of publishing lies about Polish history in 2018, and in 2021 was ordered by a Polish court to apologize for his research before an appeals court ultimately overturned the order.
Domestically, Poland’s ultranationalists have largely won the war over the public discourse, which has freed them to focus on the global scene, where English-language Wikipedia is regarded as a major battlefront.
In this atmosphere, even something as basic as the background of Yiddish novelist and Nobel prize laureate Isaac Bashevis Singer can become fodder for debate. For years, Singer was at the center of a fight between two editors over whether Singer was best described in the first line of his Wikipedia article as a Jewish or Polish author. The eventual compromise — “Polish-born Jewish American” — lasted for almost two years until Feb. 23 when someone again dropped the “Jewish.”
The Wikipedia editors now being accused of distorting articles to further nationalist narratives have rejected the allegations against them.
“I have not engaged in any ‘Holocaust distortion,’ on Wikipedia or anywhere else. I am not a ‘right-wing Polish nationalist,’” said Volunteer Marek in a public comment on a Wikipedia message board that was endorsed by at least one other alleged distortionist. “I am not part of some nefarious ‘Polish conspiracy’ on Wikipedia which seeks to manipulate content. All of these accusations are ridiculous and absurd. They are particularly disgusting and vile since they go against everything I believe in.”
In the debate about how to handle the case, dozens of arbitrators and ordinary Wikipedia editors — all volunteers — spoke of the situation on a Wikipedia message board as something close to an existential crisis for Wikipedia. Not only was the website accused of being used to spread antisemitic propaganda, but it was also alleged to be vulnerable to large-scale manipulation by a small group of bad-faith actors.
There is little confidence in the community that a solution is within reach. By its own rules, the committee isn’t supposed to decide on disputed information. It’s more of a disciplinary body that evaluates the behavior of Wikipedia editors and can ultimately decide whether to restrict their editing privileges or ban them outright.
But figuring out if the accused editors have indeed evaded safeguards and undermined Wikipedia’s integrity would seem to require that the arbitrators become experts on the history of the Holocaust in Poland.
The decision to take up the case serves to acknowledge that the committee failed to solve the problem when it last considered complaints about editing related to the Holocaust in Poland about two years ago. That was during Roe’s tenure and he says the committee was distracted by another dispute at the time.
“It can’t be escalated further than it already has in our mechanisms,” Roe said. “The best we can do is what’s currently happening now — just put it through those mechanisms again, and hope that something better will come out on the other side.”
In explaining why the committee must nevertheless take on the case, an arbitrator who goes by Wugapodes commented that the only other choice is to kick the can down the road.
“This will not be an easy issue to resolve, but the committee was not convened to solve easy issues,” Wugapodes wrote, pointing out that the timing is right given the attention and involvement of outside experts and editors. “We can leverage these resources now or wait for this decade-long problem to get still worse.”
By a vote of nine to one on Feb. 13, the committee decided to open the case. The proceedings, which start with an evidence-gathering phase, are expected to last up to six weeks, after which they can decide to ban and restrict offending editors.
Beyond that, an unorthodox last resort option is also available. Wikipedia’s so-called Supreme Court could ask for help from an even higher authority: the Wikimedia Foundation, a nonprofit that owns the encyclopedia. The foundation intervened in 2021 in what some see as a similar scenario of a far-right takeover on the Croatian-language Wikipedia, hiring an outside expert to disentangle the web of obfuscation and banning a set of editors.
Roe said that his tenure on the committee in 2019 and 2020, which featured related complaints about the editing of articles on the Holocaust in Poland, helped lead him to believe that Wikipedia should embrace change, at least when it comes to controversial political topics.
“I would like to see these difficult and politically charged content problems be referred to a new body made up of external experts, and that we don’t insist on doing everything internally among the community volunteers,” Roe said.
But he acknowledged that such a scenario is unlikely to result from the Poland dispute.
“It’s not a popular view and it kind of goes against the general idea of Wikipedia,” he said.
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The post Wikipedia’s ‘Supreme Court’ tackles alleged conspiracy to distort articles on Holocaust appeared first on Jewish Telegraphic Agency.
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Rep. Jared Moskowitz becomes latest Jewish lawmaker to reveal antisemitic threats
(JTA) — The messages that Rep. Jared Moskowitz said he received at his office were filled with obscenities, calls to “kill Jews” and warnings that the Florida Democrat would be “going down.”
Moskowitz played the voicemails during an interview with CNN’s Sara Sidner on Friday as he described a sharp rise in antisemitic hostility against Jewish lawmakers since Oct. 7, a trend he said reflected a broader normalization of antisemitic rhetoric in American public life.
“We seem, Sara, to have passed a Rubicon now with these antisemitic threats,” Moskowitz said. “It used to be once in a while you’d see a swastika on a building, once in a while, you know, someone would say something online. Now it’s every day, all the time, on podcasts, online, in the media, in the halls of Congress, and they’re trying to get Jews.”
CNN played multiple messages that illustrated Moskowitz’s point, with Sidner warning viewers that what they would hear was “deeply disturbing.”
Moskowitz, who is Jewish, said the spate of threats had caused him to need a police officer stationed outside his home 24 hours a day, since a man was sentenced to prison for plotting to kill him in November 2024.
“The U.S. government needs to kill Jews, you kill these f–cking nasty Jews, kill every single f-cking Zionist scumbag,” a caller said in one of the voicemails. “Zionism is treason to ‘we the people’ in our U.S. Constitution. Kill Israel.”
Another caller left this message: “Hey you Zionist Jew f-cking pig. How about no more money for Israel? Funding Israel, stealing more of our money for Israel. F-ck Israel, let them f-cking burn to the ground. You’re going down too, sir.”
Moskowitz is far from the only Jewish lawmaker to report a rapidly increasing number of antisemitic threats and harassment in recent weeks. The shift comes as both parties grapple with internal tensions about how to handle antisemitism within their ranks, and as anger about Israel and the Iran war funnels more attention to U.S. Jews. It also comes amid rising political violence in the United States.
“It’s no longer a Republican and a Democrat [issue],” Rep. Max Miller, a Jewish Ohio Republican, told Axios this week. “Both ends of our parties are wackadoos who hate Jews.”
Miller received a message warning that “antisemitism is on the rise because you guys think you own the f-cking world,” according to Axios, which said the caller added, “You guys are going to be shot dead every f-cking day.”
Among the messages highlighted by a recent Axios report on the phenomenon was a letter sent to New York Democratic Rep. Jerry Nadler, in which one constituent wrote that “Hitler was spot-on, 100% right about the filth that you Jew-bastards, you kikes are.” In a voicemail left for Ohio Democratic Rep. Greg Landsman’s office, one caller said, “I don’t like Jewish people, and the congressman should just go die.”
The lawmakers say the phenomenon is new. “Across the board, we have never seen anything like this in my lifetime in public office,” Jewish California Rep. Brad Sherman told the New York Times last month. “It’s like you turned the volume up from two to 10.”
The volley of antisemitic threats has also spilled into the real world, with Miller reporting last year that a man had attempted to run him off the road while calling him a “dirty Jew.” Last year, a man set fire to the residence of Jewish Pennsylvania Gov. Josh Shapiro hours after his family hosted a Passover seder there.
“We need good people to not be quiet,” Moskowitz said when Sidner asked him what message should be sent in response to the rise in antisemitic rhetoric targeting lawmakers.
“There are people out there, they may disagree with U.S. policy, they may not like the leader of a country, but they shouldn’t be allowing antisemites into their movement,” Moskowitz said. “They should not be embracing this sort of behavior, because they’re trying to win some sort of political point. It should be obvious.”
Moskowitz’s comments echoed a growing debate over the normalization of antisemitic rhetoric within American politics on both the left and the right, with Jewish lawmakers and watchdog groups warning that language once relegated to the fringes has increasingly become mainstream.
Last week, Texas U.S. Senate candidate James Talarico told the Jewish Telegraphic Agency that he would not campaign with Maureen Galindo, a Democratic congressional candidate in Texas who says she wants to open a “prison for American Zionists” among other incendiary remarks. Talarico said in a statement that “antisemitic rhetoric has no place in our politics.”
On Wednesday, Sen. Rand Paul’s son William apologized after he made repeated antisemitic comments directed at New York Republican Rep. Mike Lawler, who is not Jewish, including calling Jews “anti-American.”
Moskowitz told CNN that, while people may criticize the Israeli government and Israeli Prime Minister Benjamin Netanyahu, the voicemails left at his office illustrated “how quickly, you know, they go from Zionism to Jews, Israel to Jews.”
“Listen, if you don’t like Netanyahu, great, go out and criticize him all day long,” Moskowitz said. “But don’t let people into your tent that you know are threatening to kill my family or my kids.”
The post Rep. Jared Moskowitz becomes latest Jewish lawmaker to reveal antisemitic threats appeared first on The Forward.
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Jewish groups denounce fatal shooting at San Diego mosque, say it proves need for security funding
(JTA) — Jewish groups are denouncing a fatal shooting at a mosque in San Diego in which three people, including a security guard, were killed. They are also saying the incident, which follows attacks on synagogues, underscores a need for more federal funding for security at houses of worship.
Police in San Diego said they are investigating the attack on the Islamic Center of San Diego as a hate crime. San Diego Police Chief Scott Wahl said two teenagers, ages 17 and 19, who appeared to have carried out the attack were found dead of self-inflicted gunshot wounds in a car nearby.
“We are heartbroken by today’s attack on the Islamic Center of San Diego. Islamophobia has no place in California or anywhere in this country,” Jesse Gabriel, chair of the California Legislative Jewish Caucus, said in a statement. He added, “We are committed to working with our colleagues to strengthen protections for houses of worship and combat hate-motivated violence.”
The attack, which occurred at about 12:30 p.m. local time, sent five area schools into lockdown, including a Hebrew charter school.
“We’re safe and we’re following the direction of the police,” a representative for Kavod Hebrew Charter School told the Jewish Telegraphic Agency by phone on Monday afternoon. Kavod is a non-religious bilingual K-8 school that employs a number of Jewish and Israeli educators.
A synagogue that houses a school in an adjacent neighborhood also said it was briefly locked down in the immediate aftermath of the shooting.
The mosque attack comes two months after a man rammed an explosives-laden truck into one of the largest synagogues in the United States, Temple Israel in Michigan. There, the synagogue’s robust security training was credited with halting the attack. Children were inside the adjacent preschool at the time.
“The images coming from San Diego are all too familiar to us,” Temple Israel said in a message to its community that it posted to social media. It said that one of its rabbis, Jen Lader, was in Washington, D.C., to lobby for $1 billion in federal security funding for houses of worship.
Jewish Federations of North America said it had more than 400 local Jewish leaders in Washington to lobby for the security funding, which it said was necessary to protect religious communities from threats that are “real, urgent, and growing.” The $1 billion ask is a centerpiece of JFNA’s response to growing security concerns and would represent more than a doubling of federal spending on security needs for houses of worship.
“To anyone who feels this is excessive, what happened to Temple Israel two months ago, and now, the Islamic Center of San Diego, proves that it is not optional funding,” Temple Israel said. “Every dollar will be necessary to protect houses of worship all over the country.”
Imam Taha Hassane of the Islamic Center of San Diego, which includes a mosque and the adjacent Al Rashid School, said teachers, students and school staff were safe.
“At this moment, all that I can say is sending our prayers and standing in solidarity with all the families in our community here, and also the other mosques and all the places of worship in our beautiful city,” Hassane said during a press conference Monday afternoon. “They should always be protected. It is extremely outrageous to target a place of worship. Our Islamic Center is a place of worship. People come to the Islamic Center to pray, to celebrate, to learn.”
Law enforcement across the country are tightening security measures in response to the attack in San Diego.
“While there is currently no known nexus to NYC or specific threats to NYC houses of worship, out of an abundance of caution, the NYPD is increasing deployments to mosques across the city,” the New York Police Department said in a statement.
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Mamdani’s first Jewish Heritage event reveals a narrowed circle
The Jewish American Heritage Month reception at Gracie Mansion, the mayor’s official residence on the Upper East Side, on Monday evening felt unlike any before it. It was not simply because the host, Zohran Mamdani, is New York City’s first Muslim mayor or because the Shavuot-themed menu was dairy. It was that the annual gathering came amid one of the most strained relationships between a mayor and much of New York’s Jewish establishment in recent memory.
Even the setting reflected the changed atmosphere. Previous receptions under former mayors had spilled into a large tent in the mansion’s garden overlooking the East River, with buffet tables lined with kosher food, bars stocked with liquor and wine, live music and packed crowds of rabbis, communal leaders, elected officials and supporters mingling late into the evening. The longstanding traditional events became demonstrations of the close alliance with mainstream Jewish organizations and pro-Israel activists, who formed a key part of their political base.
This year’s gathering was different. The event was moved indoors to Gracie Mansion’s smaller blue reception room. The crowd of 150 people was served by waiters quietly circulating through the room with small dairy dishes in honor of Shavuot: miniature cheesecakes, halved cheese blintzes, cheese bourekas served with a touch of charif on the side, potato knishes, chocolate mousse, salad cups and cheese-ball skewers. The drink selection was limited to Herzog wine from California and water.
There was no music at all — not even a cappella — despite the easing of traditional restrictions during the final days of the Omer before Shavuot.
Mamdani’s Jewish commissioners, deputy mayors and aides circulated through the room, greeting attendees. But absent were prominent Jewish figures in city government and politics, including Police Commissioner Jessica Tisch, Comptroller Mark Levine, Manhattan Borough President Brad Hoylman-Sigal and most of the local elected officials. The only Jewish elected officials in attendance were Councilmembers Harvey Epstein and Lincoln Restler, and former comptroller and now congressional candidate Brad Lander.
The crowd itself reflected the Jewish coalition emerging around Mamdani’s mayoralty: anti-Zionist activists aligned with groups such as Jews For Racial & Economic Justice and Jewish Voice for Peace; liberal Jewish leaders affiliated with New York Jewish Agenda, who have sharply criticized Mamdani on Israel and antisemitism issues while continuing to engage with the administration, and those aligned with pro-peace organizations; and Hasidic leaders from the Satmar community in Williamsburg, who religiously oppose Zionism and have long shaped their relationship with municipal government around local priorities such as housing, education and nonprofit funding.
Mamdani was introduced by Phylisa Wisdom, executive director of the Office to Combat Antisemitism, who also serves as the unofficial director for Jewish affairs. Rabbi Irwin Kula, president of the National Jewish Center for Learning and Leadership, delivered the invocation, and Jake Levin, manager of the Mayor’s Office of Mass Engagement, served as emcee.
The mayor offered some greetings, describing the preparations for Shavuot across the city, the teaching of Jewish values and his administration’s effort to combat rising antisemitism. “Jewish New Yorkers have worked to cultivate a city that is safe and open to all,” Mamdani said. “You should be accorded the same security and the same peace of mind.”
He then honored Ruth Messinger, the trailblazing Jewish political leader who in 1997 became the first and only woman to win the Democratic nomination for New York City mayor and went on to lead American Jewish World Service. Messinger backed Mamdani in the mayoral race last year. Guests were then privately ushered in to take photos with Mamdani.
Mamdani’s coalition

The reception came just days after Mamdani reignited tensions with many Jewish communities by posting a Nakba Day video produced by his City Hall media team commemorating the displacement of Palestinians during Israel’s founding in 1948. That was followed by what was perceived as a delayed and balanced response to pro-Palestinian protesters descending on a heavily Jewish Brooklyn neighborhood where a synagogue hosted a real estate sale that included West Bank properties.
The Nakba video angered many Jewish New Yorkers who already viewed Mamdani’s sharp criticism of Israel and embrace of Palestinian activism as dismissive of Jewish fears over rising antisemitism. Despite the backlash, there was little indication that Mamdani intends to moderate the political identity that brought him to power. Mamdani defended the video Monday morning when pressed about the civic purpose of using official city resources to mark Nakba Day, saying that acknowledging Palestinian suffering does not negate Jewish suffering or Israel’s history. He also declared that his “door is always open” to Jewish leaders despite the backlash.
But on Monday, a notable array of prominent Jewish leaders did not walk in — or were not invited.
Among those absent were leaders of the Jewish Community Relations Council, the Conference of Presidents, UJA Federation of New York, Board of Rabbis, Anti-Defamation League, American Jewish Committee, the Reform movement, Met Council, Orthodox Union, Agudath Israel of America and Chabad-Lubavitch. Devorah Halberstam and Yaacov Behrman, leaders affiliated with Lubavitch in Crown Heights who recently appeared with Mamdani, did attend.
Some Jewish communal leaders absent from the Gracie Mansion reception have embraced a strategy of total opposition to Mamdani, viewing engagement with him as legitimizing a mayor they see as hostile to Zionism. Other organizations that are dependent on city grants or ongoing access to the municipal government have continued engaging with City Hall even while publicly criticizing the mayor’s rhetoric on Israel and antisemitism.
But that has become increasingly harder for them. The UJA Federation of New York, which hosted Mamdani for a mayoral candidate forum last year, said its leadership did not attend because it was “being hosted by a mayor who denies a core pillar of our heritage — the State of Israel as the homeland of the Jewish people.”
Rabbi Joseph Potasnik, executive vice president of the New York Board of Rabbis, who was among 19 Jewish leaders on Mamdani’s transition team, told the New York Post he declined an invitation to join.
The reception suggested that Mamdani is continuing to cultivate a smaller alternative Jewish coalition, separate from the traditional pro-Israel communal establishment and rooted more in progressive activism and pragmatic community relationships. Mamdani recently appointed Rabbi Miriam Grossman, a JVP activist, as his faith liaison. To his critics, however, the evening underscored how narrow that coalition remains within the broader Jewish community of New York City.
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