Anholt’s “Satan cult” became a Danish mystery through staged outdoor installations and tokens hidden in churches and museums. The original campaign is now attributed to Knud Langkow, a museum employee whose activities are documented in museum collections. That identification explains the human production behind the affair; it does not establish the authorship of every later imitation.
The 1973 installations on Anholt
In her National Museum account, curator Line Maj-Britt Højberg Bjerg describes thirteen apparent altars discovered in Ørkenen in 1973. Bones, masks and other deliberately macabre props suggested ritual activity. A policeman came from Grenå, but the initial response did not identify the organiser. The museum places these constructions within Langkow’s extended artistic performance, rather than treating their discovery as proof that a supernatural event occurred.
The island lies in the Kattegat. The Geological Survey of Denmark and Greenland’s Anholt account explains that Ørkenen occupies much of the island: its name evokes a desert, although Denmark has no true deserts in the climatic sense. The modern landscape photograph above provides geographical context. It neither locates an individual 1973 installation nor shows material left by its creator.
What the objects actually record
The National Museum’s collection record for object 266516, accession FP 9184.1, provides a concrete example of the tokens behind the story. Its description identifies a devil carrying a trident and records the inscriptions CIVITAS DIABOLI and ANHOLT 13 MAJ 1973. The catalogue assigns manufacture to Denmark in 1973 and records collection from a Reformed church. Its accession year is 2013. That administrative date should not be mistaken for the date stamped on the object or for the beginning of the affair.
A catalogue entry is evidence that a particular object survives with a recorded description and collecting history. It does not independently establish when somebody concealed it, who found every comparable piece, or whether a claimed ritual took place. Likewise, an inscription can repeat a story without authenticating it. The objects are better understood as manufactured tokens or jetons than as an officially issued currency. The museum’s object photographs allow readers to examine the design rather than rely on a dramatic account of what it supposedly signifies.
The identification and the argument about discovery
The investigation also has a media history. In Claus Christensen’s May 2020 interviews for Filmmagasinet Ekko, the makers of two documentaries disagree about who deserved credit for solving the mystery. Jonas Bech and Kristian Ussing Andersen’s Satankulten på Anholt premiered in 2011. The later DR production, Den danske satankult, drew on work by Politiken journalists Camilla Stockmann and Gudrun Marie Schmidt. Both films identified Langkow.
Andersen objected to the later film’s omission of the earlier production. DR director Janus Køster-Rasmussen defended the later investigation’s documentary work, citing the donated token-making dies and a passport with related stamps held at Køge Museum. Those are his stated reasons in the interview; this article has not inspected the passport or watched both complete films. The disagreement matters because a new broadcast is not necessarily a first discovery. Here, the competing accounts of investigative credit converge on the same maker, rather than presenting rival explanations for the tokens’ manufacture.
Later finds in working churches
The original maker’s death did not mean that every concealed token had already been discovered. In its 16 December 2020 restoration report, Elgaard Architecture describes curator Anders Rørvig Abildgaard finding two pieces on the canopy above the pulpit at Veksø Church. The firm also records a comparable find beside the altarpiece during its 2017 restoration of Frederiksberg Church. This is an account from the restoration team, not simply a repetition that objects existed somewhere in Denmark.
The Veksø pieces carried runes, Roman numerals and devil imagery. Finding them during restoration establishes a discovery context; it does not date their concealment to 2020. The distinction is especially useful in this case, where the repeated 1973 date could otherwise make an object’s manufacture, placement and rediscovery seem like one event.
From mystery objects to museum exhibits
Kroppedal Museum’s 2021 annual report, page 7, documents its own exhibition based on the two Veksø finds. Opened on 21 April 2021, it brought the tokens together with other material, including a typewriter that had belonged to Langkow. The museum interpreted the campaign as provocative art directed at established religious authority. That is a curatorial interpretation of the project, rather than testimony that the imagery possessed supernatural force.
The annual report adds a revealing complication: the museum itself received letters with satanic messages and objects around the exhibition. These attracted media attention. The report does not identify their senders. Their arrival demonstrates that people could continue responding to the story after Langkow’s lifetime; it does not justify assigning all subsequent material to him. The museum’s contemporary record preserves that difference between a documented exhibition and an unresolved question about later correspondents.
Assessment and location
The outcome is Closed (Explained) for the original staged campaign. Bjerg’s account identifies Langkow and records his donation of dies and tokens, made in his brother’s name shortly before his death in 2004. It also notes later pieces with different designs and poorer workmanship, leaving their authorship open. The classification concerns the original installations and tokens, not a blanket identification of every subsequent object or correspondent.
The map uses an approximate Anholt island reference, rounded from the GeoNames island entry. It is not a surveyed altar position, a church hiding place or an address associated with Langkow. The case is anchored to the 1973 Anholt affair; the later church discoveries and museum investigations explain how its evidence was recovered and interpreted. Those later reporting dates should not replace the original incident year.