The Trump administration pressured multiple countries to withdraw their sponsorship of a leading European conference on disinformation, with Canada, Lithuania and the EU’s diplomatic service subsequently agreeing to do so, the Guardian understands.

The conference, #Disinfo2026, taking place on Wednesday and Thursday, is the annual meetup of Europe’s counter-disinformation community and has drawn hundreds of researchers, journalists, technologists and policymakers to a hotel in Vilnius, Lithuania. It is run by an independent Brussels non-profit, EU Disinfo Lab.

Days before the conference, the logos of its main supporters – the Lithuanian ministry of foreign affairs, the European External Action Service (EEAS) and Global Affairs Canada, the country’s foreign ministry – were wiped off its website.

Photos of the event shared with the Guardian also show white stickers affixed over the logos of these organisations printed on official conference materials, appearing to indicate they were struck from the program in haste.

Three persons familiar with the matter, including European officials, confirmed that the US state department had been in touch with multiple governments over their support for the conference.ç

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