February 18, 1950 — the Sandersen case, a Danish farm sighting whose retellings diverge into four incompatible versions.
THINK ABOUTIT UFO|UAP SIGHTINGS REPORT
1950: The Copenhagen, Denmark Sandersen Case
A Danish farmer and his wife told a story about two flying saucers over their farmhouse — one hovering, one bursting into thousands of sparks. Within a few years, that single account had split into four incompatible versions across as many sources, none of them agreeing on what actually happened, or to whom.
Date: February 18, 1950
Sighting Time: 8:30 p.m. (per the U.S. newspaper account); “by night” in other versions
Day/Night: Night
Location: A farm near Copenhagen, Denmark (per one version, on Zealand’s east coast)
Urban or Rural: Rural
No. of Entity(‘s): Not Applicable — no entities are described in any version of this account, despite the case’s later inclusion in at least one humanoid-encounter catalog
Entity Type: Not Applicable
Entity Description: Not Applicable
Hynek Classification: NL (Nocturnal Lights)
Duration: Under a minute for the disintegration event, several minutes total across versions
No. of Object(s): 2 (in most versions)
Description of the Object(s): Accounts vary sharply: the most detailed version describes a shining, transparent-bottomed saucer “flying a red ribbon”; a later, briefer version substitutes a 50-centimeter red bar and a second, similarly small light that hovered near a bedroom window before switching off “as if one had switched the light off”
Shape of Object(s): Saucer-shaped in most versions
Size of Object(s): Not consistently given; one version specifies 50 centimeters for a substitute “red bar” object
Color of Object(s): Bright/glowing, with red coloring specified in some versions
Distance to Object(s): Ranges by version from passing over the farmhouse roof to hovering within a few meters of the bedroom window
Height & Speed: One version gives one object at 500 meters altitude, descending to 150 meters and seemingly hesitating on its course
Number of Witnesses: 2 (Christian Sandersen and his wife, Marie, in most versions)
Special Features/Characteristics: Multiple Mutually Incompatible Source Versions, No Physical Trace Found Despite a Claimed Landing/Disintegration, Later Miscategorized in a Humanoid-Encounter Catalog Despite No Entity Content, Wife’s Account Reported as Substantially Different From the Husband’s
Case Status: Insufficient Data — the underlying event cannot be reconstructed with confidence given how far the surviving accounts diverge
Source: Kevin D. Randle, A History of UFO Crashes; an unnamed California newspaper citing a Copenhagen report; an unnamed Italian “Nazi saucers” book citing local Danish press; an unnamed Danish source attributed to Marie Sandersen
Summary/Description: Danish farmer Christian Sandersen and his wife Marie reported seeing flying saucers near their farmhouse. The core claim — that something unusual appeared in the sky near their home and came to a dramatic end — survives across four distinct and incompatible retellings. A California newspaper account, citing a Copenhagen report, describes two saucers: one passing above the farmhouse roof, the other landing in the farmyard and disintegrating into thousands of sparks in under a minute. A version appearing in an Italian book on “Nazi saucers,” citing local Danish press, instead has the sighting take place miles out at sea at night: one saucer flying high, a second hesitating at 500 meters before descending to 150 meters, the higher saucer apparently joining it before flying away as the lower one burst into a blinding ball of flame. A shorter, later version drops the “crash” framing and instead treats the case as a UFO landing that exploded before liftoff. A fourth version, attributed to Marie Sandersen directly, differs from all the others: the first object becomes a 50-centimeter red bar, and the second — no larger — hovers within a few meters of the bedroom window, illuminating the room, before vanishing instantly rather than exploding. No physical trace, wreckage, or independent corroborating witness has been documented in any version. Despite containing no entity description in any account, this case has been included in at least one published catalog of humanoid encounters.
Related Cases: Not Applicable
Detailed Report
This case is unusual in this archive not for what happened, but for how thoroughly the record of what happened has fragmented. Four sources describe what is nominally the same event — a Danish farm couple’s saucer sighting on February 18, 1950 — and yet no two of them agree on the object’s size, its behavior, its fate, or even whether anything actually landed at all. The shift from “landed and disintegrated in the farmyard” to “hovered near a bedroom window and switched off like a light” is not a minor discrepancy in detail; it is a difference in the fundamental shape of the claim.
The attribution of the fourth version specifically to Marie Sandersen, distinct from her husband’s account, is worth noting directly: if accurate, it suggests the two primary witnesses themselves did not give matching testimony, which would be a significant complication for the case’s reliability regardless of which version is closer to accurate. No source consulted for this report clarifies how or why the accounts diverged this dramatically — through translation and retelling across languages and years, embellishment by intermediate authors, or a genuinely confused original event.
The case’s inclusion in a catalog of humanoid encounters, despite no version containing any entity description, appears to be a straightforward cataloging error rather than evidence of a suppressed entity element — this archive found no version, however garbled, that mentions any being or occupant.
RESEARCHER’S NOTES
The Sandersen Case — Denmark 1950 and What Happens When a Story Travels
- Classification issues/corrections: Filed as NL despite one version’s landing claim, because the landing/disintegration detail is not consistent across sources and cannot be confirmed as the account’s original shape; this archive also corrects the case’s miscategorization in at least one humanoid-report catalog, since no version contains an entity.
- Source chain assessment: This is one of this archive’s clearest examples of source divergence: an American newspaper citing a Copenhagen report, an Italian book citing Danish press, an undated “later, briefer” retelling, and a fourth version attributed to the second witness directly — four chains, four different stories, none of them a primary contemporaneous Danish news account this archive could independently verify.
- Pattern context/comparative cases: Multi-version divergence of this magnitude is uncommon in this archive’s record; most cases either have a single stable account or straightforward minor variations (a time off by a few minutes, a slightly different distance estimate) rather than fundamentally different claimed events.
- Physical evidence/evidentiary weight: None. No version of the account is accompanied by physical trace evidence, and the most dramatic claim (a landed, disintegrating saucer) is precisely the one least consistently repeated across sources — a pattern that should lower rather than raise confidence in that specific detail.
- Geographic/historical context: Denmark does not otherwise feature prominently in this archive’s early 1950 record, making this an isolated European entry from the period.
When a single account splits into four incompatible versions across different countries and decades, the disagreement itself becomes the most reliable fact in the record. This archive presents all four rather than picking a favorite, because picking one would manufacture a certainty the sources themselves don’t support.
“As if one had switched the light off.”
From the version of the Sandersen account attributed to Marie Sandersen, describing the object’s disappearance.







