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The Roman Soldiers in the Cellar of Treasurer's House, York (Harry Martindale, 1953)
February 1953 · Cellar of Treasurer's House, Minster Yard, York, England
United Kingdom
Paranormal · Being / humanoid · 17 sources
16Thinly documented
George Adamski's Desert Center Contact
November 20, 1952 · Colorado Desert, about 10 miles from Desert Center on the road toward Parker, Arizona, Riverside County, California
United States
UAP · Being / humanoid · 46 sources
39Partially documented
The Nash-Fortenberry Sighting over Chesapeake Bay
July 14, 1952 · Over Chesapeake Bay, near Newport News, Virginia
United States
UAP · Disc / saucer · 23 sources
25Thinly documented
The Spitsbergen Flying Saucer Crash
1952 · Hinlopen Strait, Nordaustlandet, Svalbard
Norway
UAP · Disc / saucer · 22 sources
25Thinly documented
Fort Monmouth radar and T-33 sightings
September 10, 1951 · Fort Monmouth, Point Pleasant and Sandy Hook, New Jersey
United States
UAP · Disc / saucer · 20 sources
49Partially documented
The Dieppe Raid "battle replay" at Puys
August 4, 1951 · Puys, near Dieppe, Seine-Maritime, Normandy
France
Paranormal · Other · 12 sources
20Thinly documented
The Mount Kilimanjaro Sighting from an East African Airways Lodestar
February 19, 1951 · Above Mount Kilimanjaro, Tanganyika (now Tanzania), seen from a Lodestar over southern Kenya
Tanzania
UAP · Cigar · 14 sources
29Thinly documented
Capt. Willis T. Sperry and the American Airlines DC-6 sighting near Mount Vernon, Virginia
May 29, 1950 · About seven miles west of Mount Vernon, Fairfax County, Virginia, after departure from Washington National Airport
United States
UAP · Cigar · 13 sources
23Thinly documented
Bruno Facchini's encounter at Abbiate Guazzone
April 24, 1950 · Abbiate Guazzone, Tradate, Province of Varese, Lombardy
Italy
UAP · Being / humanoid · 19 sources
25Thinly documented
The Norwood Searchlight Disc Sightings
August 19, 1949 · Saints Peter and Paul Catholic Church, Norwood, Ohio (also Madeira and Milford, Ohio)
United States
UAP · Disc / saucer · 22 sources · 11 photos
49Partially documented
Platillos volantes sobre Asunción: Incident #119
February 20, 1948 · Barrio Obrero, Asunción, with reports from Areguá, Cordillera and the Paraguayan Chaco
Paraguay
UAP · Egg · 7 sources
19Thinly documented
The Chehalis Birdman: Bernice Zaikowski's flying man
January 6, 1948 · Chehalis, Lewis County, Washington
United States
Cryptid · Creature · 13 sources
14Thinly documented
Peter Byrne's First Yeti Footprint
1948 · Near the Zemu Glacier, northern Sikkim (disputed; other accounts place the find in Nepal)
India
Cryptid · Creature · 21 sources
26Thinly documented
The Rosa Mystica apparition in Montichiari Cathedral
December 8, 1947 · Duomo of Santa Maria Assunta, Montichiari, Province of Brescia, Lombardy
Italy
Paranormal · Being / humanoid · 36 sources
24Thinly documented
The Twining Memo: AMC Opinion Concerning 'Flying Discs'
September 23, 1947 · Headquarters, Air Materiel Command, Wright Field, Dayton, Ohio
United States
UAP · Disc / saucer · 27 sources
28Thinly documented
The Villa Santina Encounter: L. R. Johannis and the Red Disc of Raveo
August 14, 1947 · Chiarsò valley, lower slopes of Col Gentile, near Raveo and Villa Santina, Carnia, province of Udine, Friuli
Italy
UAP · Disc / saucer · 20 sources
13Thinly documented
The Malta fishermen's "submarine" with little men on deck
c. 1947 · At sea, 20 miles south of Malta, central Mediterranean
Malta
UAP · Being / humanoid · 10 sources
11Thinly documented
The Mäkkylä Ghost: the Heinonen poltergeist of Espoo, 1946
October 10, 1946 · Mäkkylä, Espoo (cottage next to the Mäkkylä railway halt, present-day Fonseenintie)
Finland
Paranormal · Other · 17 sources
28Thinly documented
The Anchor Point "lizard-like monster": a beached carcass hailed as a dinosaur and identified as a killer whale (1946)
October 1946 · Anchor Point, Kenai Peninsula, Alaska (near Homer and Kachemak Bay)
United States
Cryptid · Creature · 7 sources · 1 photos
31Partially documented
The USAT Delarof Sphere, Aleutian Islands (1945)
c. 1945 · Open sea past Adak, Aleutian Islands, Alaska
United States
UAP · Sphere · 12 sources
25Thinly documented
  • Defense Intelligence Agency· 72 pages· 48 pages mention it
    • p. 12 …That addresses the key question of the fusion power density obtainable with potential well confinement. One of their basic assumptions…
    • p. 45 …Before discussing this work, some definitions for the potential well structure will be reviewed. POTENTIAL WELL STRUCTURE The potential structures…
  • U.S. Department of War· 2010-03-10· 72 pages· 47 pages mention it
    • p. 12 …That addresses the key question of the fusion power density obtainable with potential well confinement. One of their basic assumptions…
    • p. 45 …Before discussing this work, some definitions for the potential well structure will be reviewed. POTENTIAL WELL STRUCTURE The potential structures…
  • National Aeronautics and Space Administration· 1965· 223 pages· 92 pages mention it
    • p. 8 …Yes , well t lri,s-tra-,:5pened 6e:f'1 Allright , even before liftoff , hat this really is completely unforgiveable…
    • p. 170 …Conrad Well, I'm not sure that Ring A wasn ' t out of fuel , somewhere around between 100 000 on…
  • NASA Johnson Space Center· 1999-06-29· 110 pages· 77 pages mention it
    • p. 60 …Well, what next one?” I said, “Well, I’ve got you scheduled for an interview with me.” He said, “Well…
    • p. 86 …Rocco called me up one day and said, “Jim, have you got any extra money?” I said, “Well, yeah, probably…
  • Central Intelligence Agency· 1953-01-04· 3 pages· 2 pages mention it
    • p. 1 …This board relies heavily on both a loosely structured advisory group and a fairly well developed and well placed network…
    • p. 2 …This board relies heavily on both a loosely structured advisory group and a fairly well developed and well placed network…
  • Department of Transportation. Federal Aviation Administration.· 2023· 1 pages· 1 page mentions it
    • p. 1 …The unknown phenomenon was 3 to 5 flashing lights well above FL390. Lights were reported by other ACFT also.

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