How the Bielefeld conspiracy grew from a 1994 Usenet post

In May 1994, a student in Kiel posted to a Usenet group that the German city of Bielefeld does not exist. Twenty-five years later, the city offered €1 million to anyone who could prove it, and a court eventually had to rule on a claim for the prize.

October 31, 2026 · 4 min read · TruthRanking

The first source

On May 16, 1994, Achim Held, a computer science student at the University of Kiel, posted to the German Usenet newsgroup de.talk.bizarre that the city of Bielefeld does not exist. The post said a shadowy group he called "SIE" ("THEY") kept the illusion going. It also offered a three-part test: whether you know anyone from Bielefeld, whether you have ever been there, and whether you know anyone who has. The joke expects most people to answer no to all three.

Held has described the post as a joke from the start. The Local reported in 2019 that he wrote it to show how quickly conspiracy theories spread. Wikipedia, citing a TV interview around the tenth anniversary, says Held traced the idea to a conversation at a student party and a drive past the city when the Autobahn exit was closed. An uncited passage dates a friend's quip about the city to 1993. National Geographic places the party in a Kiel University dormitory and adds that a construction site and taped-over exit signs were treated as further proof.

How it spread

Held told National Geographic he expected the joke to last "perhaps one or two weeks." It lasted decades. Retellings jokingly named the CIA, the Mossad, the Freemasons or aliens as culprits, with Bielefeld University cast as a disguised spaceship, Wikipedia and The Local report.

The city answered on April 1, 1999, with a press statement titled "Bielefeld gibt es doch" (Bielefeld does exist). Around the tenth anniversary in 2004, the mayor's office was still getting calls and emails from people doubting the city was real, according to Wikipedia's account. In 2009, Bielefeld University film students started a feature film about the conspiracy, financed by the university and local sponsors. It premiered in Bielefeld on June 2, 2010.

In November 2012, after a town hall meeting in Bielefeld, Chancellor Angela Merkel joked that she had been there, if the city exists at all. In 2014, Bielefeld marked its 800th anniversary with a motto that turned the joke around: "Das gibt's doch gar nicht," roughly "That can't be real."

What it became

For the 25th anniversary, the city's marketing department launched #Bielefeldmillion on August 21, 2019. It offered €1 million to anyone who could provide incontrovertible proof that Bielefeld does not exist. Entries were open for two weeks, and 56 local partner companies and institutions backed the prize, the city said.

The city reviewed entries with scientists from Bielefeld University and the city archives. On September 5, 2019, the city's marketing office said it had received more than 2,000 emails by the deadline the night before, about 300 of them from abroad. In September 2019, Mayor Pit Clausen announced, "The result of the competition is: Bielefeld exists." The city said it was done with the conspiracy and placed a 600-kilogram boulder in the old town with a QR code linking to the city's website, The Local reported.

One entrant went to court. He had argued from an axiom that the city does not exist and sued for the prize. The Bielefeld Regional Court dismissed the claim on September 26, 2023, in case 1 O 181/22, Legal Tribune Online reported in February 2024. The court found the contest required empirical proof, which it called obviously impossible, and treated the city's existence as an obvious fact that needs no proof. The claimant was ordered to pay court fees in the five-figure range plus the marketing company's legal costs.

The joke also became part of the city's brand. National Geographic reported that Bielefeld used the campaign to build its image, and that the city had more than 600,000 overnight visitors in 2023. According to Wikipedia, the theory surfaced again in 2025 coverage when Arminia Bielefeld reached the German Cup final.

What the record shows

The post, its date, the newsgroup and the author are consistent across sources. Held has said it was satire. The city, a university and a court record all contradict the claim, so on our verdict scale the claim that Bielefeld does not exist would rate Contradicted, with the contradicting evidence linked.

Other details are softer. The origin anecdote shifts between retellings: the year of the party, the setting and the role of the closed exit vary. Population figures in coverage range from about 330,000 to 341,755, depending on the year and outlet. The city's own count was more than 2,000 emails, and no source we found gives an exact total. The judgment date also needs care: one legal database lists July 14, 2023, for the same case, WBS.LEGAL notes. In August 2019, The Local said it could not confirm whether the reward was a genuine publicity effort or part of the joke. The 2023 ruling later described the contest as a joke.

We also found no source that measured how many people ever believed the claim. The calls to the mayor's office could reflect doubt or people playing along. The record does not say which.

How to trace a claim like this

1. Pin the first source to a date and a place. Here it is a post to de.talk.bizarre on May 16, 1994, by a named author. Our guide on how to find where a claim started walks through the method.
2. Rate the origin story separately from the origin. The post is fixed. The party anecdote was told years later and varies by outlet. Treat each retelling as its own claim with its own source.
3. Check what a number counts. The figure of more than 2,000 describes contest emails, not believers. Note who counted and when before you repeat a figure.
4. Follow the claim past its peak. The 2019 announcement was not the last word. A 2023 court ruling added a primary document. Search court and official records as well as news coverage.
5. Record how the first source framed it. Held presented the post as a joke. Log that framing with the claim. Unverified and false are separate labels, and satire is a third.