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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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Majority of New York City Jewish Voters Dissatisfied With Mamdani, Poll Shows
New York City Mayor Zohran Mamdani holds a press conference at the New York City Office of Emergency Management, as a major winter storm spreads across a large swath of the United States, in Brooklyn, New York City, US, Jan. 25, 2026. Photo: REUTERS/Bing Guan
A new poll of Jewish voters in New York City points to deep dissatisfaction with Mayor Zohran Mamdani’s leadership, particularly over his handling of rhetoric tied to the Israel-Hamas conflict.
The survey, conducted by Mercury Public Affairs in partnership with The Jewish Majority, sampled 665 Jewish voters who cast ballots in last year’s mayoral election between Feb. 17 and 28. Its findings suggest a growing disconnect between Mamdani and the local Jewish community, building upon an already tense and fraught relationship.
According to the newly released poll, 58 percent of respondents rated Mamdani’s job performance as “fair” or “poor,” including 40 percent who said it was “poor.” Just 32 percent said he was doing an “excellent” or “good” job. The numbers indicate that a clear majority of Jewish voters surveyed are dissatisfied with the direction of the city under the mayor’s leadership.
The survey also highlights sharp concern over Mamdani’s response to the phrase “globalize the intifada,” a slogan widely condemned by pro-Israel advocates as inciting violence against Jews. Sixty-one percent of respondents said the mayor’s refusal to explicitly denounce the phrase has “emboldened pro-Hamas protesters,” reflecting alarm among many Jewish voters about rising antisemitism and public safety.
For many in the community, the issue goes beyond rhetoric. Critics argue that failing to clearly reject language associated with violence risks normalizing extremism at a time when Jewish communities in the US and globally have reported increased threats. New York City has experienced an ongoing surge in antisemitic hate crimes in the two-and-a-half years since Hamas’s Oct. 7, 2023, massacre across southern Israel.
The “glogalize the intifada” slogan, which gained traction at pro-Palestinian protests worldwide amid the Israel–Hamas war in Gaza, has been criticized by many Jewish New Yorkers who associate it with calls for violence against Jewish and Israeli civilians. The term “intifada,” Arabic for “uprising,” is widely known from two bloody periods of sustained Palestinian terrorism against Israelis. Many observers have argued that calls to “globalize the intifada” encourage activists to take up political violence worldwide, especially against the Jewish community and supporters of Israel.
In June 2025, Mamdani defended the phrase by invoking the Warsaw Ghetto Uprising during World War II. In response, the US Holocaust Memorial Museum repudiated the then-mayoral candidate, calling his comments “outrageous and especially offensive to [Holocaust] survivors.”
Mamdani has also faced scrutiny over his handling of issues pertaining to antisemitism and the Jewish community. The Mamdani administration revoked the city’s adoption of the International Holocaust Remembrance Alliance (IHRA) definition of antisemitism when the mayor entered office, arguing that rigid definitions can risk conflating criticism of Israel with antisemitism and may complicate the handling of politically sensitive speech.
IHRA — an intergovernmental organization comprising dozens of countries including the US and Israel — adopted the “working definition” of antisemitism in 2016. Since then, the definition has been widely accepted by Jewish groups and lawmakers across the political spectrum, and it is now used by hundreds of governing institutions, including the US State Department, European Union, and United Nations. Law enforcement also uses it as a tool for matters such as hate-crime investigations and sentencing.
The mayor’s office has also voiced support for divestments from Israeli bonds. The suggestion has received substantial pushback from the city’s business community, noting that the bonds have been a safe, long-standing investment for city pension funds and that financial decisions must be separated from political pressure. City Comptroller Mark Levine recently touted the bonds’ decades-long record of repayment and argued his office’s responsibility was to maximize returns for retirees, not respond to shifting political campaigns.
The poll’s findings align with voting patterns from the most recent mayoral election, in which Mamdani struggled to win broad support among Jewish voters. He received 26 percent of the vote within the group, far behind his chief opponent, former Gov. Andrew Cuomo, who secured 55 percent. Republican candidate Curtis Sliwa received 8 percent.
Observers speculate the numbers could pose a longer-term challenge for Mamdani as he navigates a city with the world’s largest population outside of Israel.
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Molotov Cocktail Attacks Target Jewish Institutions in Argentina in Two Incidents Within a Week
A display in Buenos Aires of pictures and names of victims of the 1994 AMIA bombing, in which 85 people died and hundreds more were wounded. Photo: Reuters/Marcos Brindicci.
Argentine Jews are on edge after Jewish institutions in Buenos Aires were targeted in Molotov cocktail attacks in two separate incidents in less than a week, deepening security concerns within the local Jewish community.
On Sunday, unknown individuals threw a homemade firebomb at the Chabad Lubavitch Jewish Community Center in La Plata, a city in southeastern Buenos Aires, in a brazen attack marking the second within a week.
Local authorities reported no significant material damage or casualties, though the incident has fueled alarm over a broader pattern of violence targeting Jews across the country.
The Buenos Aires Security Ministry and Police Counterterrorism Division have opened an investigation into this latest incident, examining possible links to an attack last week that appears to share a similar modus operandi.
The Delegation of Argentine Israelite Associations (DAIA), the country’s Jewish umbrella organization, strongly condemned this second attack, warning of a disturbing pattern of incidents and calling for an urgent investigation and clear condemnation.
“Violence must be countered through education and by bringing those responsible to justice. When hatred goes unpunished, it escalates, and today it is once again surfacing in tangible acts that cannot be normalized,” DAIA said in a statement.
“There is no room for indifference. Antisemitism is not an isolated incident, it is a threat that demands a firm response, coordinated institutional action, and the strict enforcement of the law,” it continued.
NUEVO ATAQUE ANTISEMITA EN LA PLATA
Una vez másExpresamos nuestro más enérgico repudio frente a un nuevo ataque antisemita ocurrido en la ciudad de La Plata, esta vez contra la sede de Jabad Lubavitch.
Advertimos que la violencia debe ser combatida con educación y con el… pic.twitter.com/h1jrYg56hY
— DAIA (@DAIAArgentina) May 3, 2026
In an alarming earlier attack, the Israelite Literary Center and Max Nordau Library in La Plata was targeted Thursday when unidentified individuals threw a homemade Molotov-type device at the building’s entrance.
Although the device failed to ignite, it shattered the building’s windows and caused some material damage. Fortunately, no fires broke out and no injuries were reported.
The center condemned the attack, pointing to a “growing level of antisemitism nationally and internationally” and warning that such trends are contributing to a broader climate of hostility.
“We cannot separate this episode from the rise in antisemitism and the climate of intolerance that enables expressions of hatred. This compels us to promote, now more than ever, a democratic coexistence based on respect for pluralism,” the statement read.
“These acts do not intimidate us – they strengthen our conviction to continue building culture, critical thinking, and community,” it continued.
In response to these latest attacks, Jewish institutions across the country have strengthened preventive protocols and reinforced internal security and surveillance measures.
La Plata Mayor Julio Alak denounced the attack as an assault on democratic coexistence and pluralistic values, reiterating that the city will firmly uphold mutual respect and reject all forms of hatred.
The DAIA called on authorities to act swiftly, identify those responsible, and apply the full extent of the law, stressing the need for decisive action to prevent further incidents.
“Impunity cannot be an option. This is an expression of hatred that not only harms the Jewish community but also threatens the fundamental values of coexistence, respect, and democracy,” the organization said.
“Every act of antisemitism that goes unpunished sends a message of tolerance toward hatred. Every firm response from authorities is a clear signal that society is unwilling to back down,” it continued. “To ensure these incidents do not happen again, determination, action, and justice are required.”
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Israel Launches Mobile Climate Lab in Kenya to Improve Africa’s Data Collection for Environmental Policy
Israel’s Ambassador to Kenya, Gideon Behar, meets with Cabinet Secretary for Interior and National Security, Kipchumba Murkomen, on March 3, 2026. Photo: Screenshot
Israel’s Ambassador to Kenya has announced an initiative to deploy a mobile climate laboratory to grow data collection in the African nation, an effort to provide real-time information so policymakers can pursue solutions as temperatures continue to rise across the continent.
“There is a huge gap in climate data and climate knowledge in Africa, and the work of this laboratory helps us close this gap,” Gideon Behar said on Saturday while visiting the International Livestock Research Institute (ILRI) site in Kapiti, the current home of the mobile lab. He said that the plan would allow political leaders “to make better policy decisions based on real and accurate science.”
Israel’s Weizmann Institute of Science has spearheaded and operated the project. In December, the institute described the project’s importance, explaining that “Africa’s landscapes are transforming faster than almost anywhere else on earth, yet the continent remains one of the world’s largest blind spots in climate observations.”
The institute said that following a months-long journey around the African continent by sea, the “fully equipped Biosphere–Atmosphere Research Mobile Lab is about to roll onto African soil, launching an ambitious campaign to measure how land-use change is reshaping the region’s carbon, water, and energy cycles.”
ILRI’s Director General Appolinaire Djikeng described the importance of the project for not only Kenya but also the entire African continent.
“We are in a society where we need data to make decisions,” Djikeng said. “The pressure from the climate crisis requires precision. This facility allows us to generate the evidence needed to guide sustainable food production and environmental management.”
Academics leading the research team include Dan Yakir, professor in the Department of Earth and Planetary Sciences, staff scientist Eyal Rotenberg, and post-doctoral researcher Dan Elhanati. Rotenberg said that climate models in Africa today “are not well calibrated because there has been very little measurement. This initiative will provide the data needed to validate and improve those models.”
The mobile unit features more than 30 scientific instruments set to measure carbon exchanges, levels of solar radiation, water usage, and these factors’ impact on changes in vegetation. The lab’s ability to move enables much broader and more diverse data collection in a variety of ecosystems, according to the researchers.
“I’ve been working in this field for 25 years, studying vegetation – atmosphere interactions,” Rotenberg told Kenya’s Capital FM. “Not only how vegetation affects the atmosphere, but how the atmosphere affects vegetation.”
“That is my core motivation — to come to Africa,” he added. “Unlike in Europe, the United States, Japan or China, there is very little measurement here. But climate is global. We must understand it everywhere, especially in Africa.”
Behar — who also serves as Ambassador-Designated to Uganda, Tanzania, Malawi, and Seychelles and Permanent Representative of UNEP and UN HABITAT (UNON) — said “the measurements and scientific work being conducted here will serve the global fight against climate change.”
Rotenberg emphasized, “If vegetation uses most of the water, there is less available for human use … We need to understand that balance.”
The project plans to operate for three years before relocating to Mount Kenya and other regions. Weizmann then plans to expand to Tanzania, South Africa, and other countries.
According to the World Meteorological Organization (WMO) State of the Climate in Africa 2024 report, “extreme weather and climate change are intensifying hunger, insecurity, and displacement across Africa, impacting every facet of socio-economic development.” Depending on the data set, 2024 was either the warmest or second warmest year in Africa on record, and the previous decade was the warmest ever recorded.
WMO Secretary-General Celeste Saulo said the organization’s report “reveals a stark pattern of extreme weather events, with some countries grappling with exceptional flooding caused by excessive rainfall and others enduring persistent droughts and water scarcity.”
The effort in Kenya comes as Israel has expanded efforts in Africa to counter the impacts of climate change and the widespread droughts that have followed.
In February, officials and workers from Somaliland’s National Water Authority arrived in Israel for a course developed to train them on Israeli technology and techniques for water preservation and treatment. The trip came two months following Israel’s recognition of Somaliland, located in the Horn, as an independent, sovereign state.