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The 1913 Great Meteor Procession (the Cyrillids)
February 9, 1913 · From Saskatchewan across Ontario (Toronto, Appin), the northeastern United States and Bermuda to the South Atlantic
UAP · Formation · 34 sources
37Partially documented
The Twining Memo: AMC Opinion Concerning 'Flying Discs'
September 23, 1947 · Headquarters, Air Materiel Command, Wright Field, Dayton, Ohio
UAP · Disc / saucer · 27 sources
28Thinly documented
The Chiles-Whitted Encounter
July 24, 1948 · 20 miles southwest of Montgomery, Alabama (near Hayneville, Lowndes County)
UAP · Cigar · 66 sources
41Partially documented
The McMinnville (Trent) UFO Photographs
May 11, 1950 · Trent farm, southwest of McMinnville, Yamhill County, Oregon
UAP · Disc / saucer · 56 sources · 6 photos
37Partially documented
The Mariana UFO Film
August 15, 1950 · Legion Park, Great Falls, Montana
UAP · Disc / saucer · 63 sources · 3 photos
55Partially documented
The Spitsbergen Flying Saucer Crash
1952 · Hinlopen Strait, Nordaustlandet, Svalbard
UAP · Disc / saucer · 22 sources
25Thinly documented
The Barra da Tijuca Flying Disc Photographs
May 7, 1952 · Barra da Tijuca, Rio de Janeiro
UAP · Disc / saucer · 29 sources · 18 photos
41Partially documented
The Tremonton UFO Film (The Newhouse Film)
July 2, 1952 · U.S. Highway 30S, about 7 miles from Tremonton, Box Elder County, Utah
UAP · Disc / saucer · 50 sources · 6 photos
47Partially documented
The 1952 Washington, D.C. UFO Flap
July 19, 1952 · Washington National Airport and Andrews AFB, Washington, D.C. area
UAP · Orb / light · 97 sources
61Well documented
Bellefontaine Radar-Visual and Gun-Camera Intercept
August 1, 1952 · Bellefontaine Air Force Station (Campbell Hill) and the Dayton area, Ohio
UAP · Sphere · 19 sources
54Partially documented
Haneda AFB radar-visual sighting and F-94 intercept
August 5, 1952 · Haneda Air Force Base, Tokyo (now Tokyo International Airport), Japan
UAP · Disc / saucer · 24 sources
61Well documented
The Tulli Papyrus: the "circles of fire" of Thutmose III
1953 · Vatican Museums, Vatican City (where the claim originated; the text names no place)
UAP · Other · 13 sources
16Thinly documented
The Robertson Panel: The CIA's Secret UFO Review
January 14, 1953 · Washington, D.C. (exact building unresolved; CIA headquarters and the Pentagon both claimed)
UAP · Disc / saucer · 33 sources · 1 photos
46Partially documented
Ellsworth AFB Radar-Visual Case and F-84 Pursuit, South Dakota, 1953
August 5, 1953 · Black Hawk Ground Observer Corps post and Ellsworth Air Force Base, near Rapid City, South Dakota
UAP · Other · 24 sources
60Well documented
The BOAC 'Flying Jellyfish': Captain James Howard and the Stratocruiser Centaurus
June 29, 1954 · Near the Quebec-Labrador border, about 150 nautical miles southwest of Goose Bay, Labrador
UAP · Formation · 16 sources
30Partially documented
Walesville F-94C Crash During an Unknown-Aircraft Intercept
July 2, 1954 · Walesville, Oneida County, New York
UAP · Unknown · 20 sources · 1 photos
43Partially documented
The Lakenheath-Bentwaters Radar-Visual Incident
August 13, 1956 · RAF Bentwaters and RAF Lakenheath, Suffolk, with RAF Neatishead, Norfolk
UAP · Orb / light · 45 sources
65Well documented
R. J. Childerhose's disc photograph from an RCAF Sabre, Alberta, 1956
August 27, 1956 · Foothills of the Canadian Rockies near Fort Macleod, Alberta
UAP · Disc / saucer · 16 sources · 1 photos
27Thinly documented
RB-47 Radar and ELINT UFO Encounter
July 17, 1957 · Gulf Coast to Oklahoma City (Mississippi, Louisiana, Texas, Oklahoma); first visual near Winnsboro, Louisiana
UAP · Unknown · 26 sources
57Partially documented
Ubatuba Magnesium Fragments (1957)
September 1957 · Praia das Toninhas, near Ubatuba, São Paulo state
UAP · Disc / saucer · 29 sources
24Thinly documented
Kirtland AFB control-tower sighting
November 4, 1957 · Kirtland Air Force Base control tower, Albuquerque, New Mexico
UAP · Egg · 21 sources
49Partially documented
Gemini 4: James McDivitt's "cylinder with a pole"
June 4, 1965 · Earth orbit over the Hawaiian Islands (Gemini 4, 20th revolution)
UAP · Cylinder · 25 sources · 1 photos
34Partially documented
Antarctic UFO Sightings at Deception Island and Orcadas, 1965
July 3, 1965 · Deception Island, South Shetland Islands, and Orcadas, Laurie Island, South Orkney Islands
UAP · Disc / saucer · 27 sources
41Partially documented
The Rex Heflin UFO Photographs, Santa Ana 1965
August 3, 1965 · Myford Road near Walnut Avenue, outside Santa Ana (Tustin/Irvine area), Orange County, California
UAP · Disc / saucer · 39 sources · 16 photos
40Partially documented
Michigan "Swamp Gas" Sightings: Dexter and Hillsdale
March 20, 1966 · Mannor farm near Dexter, Washtenaw County, and Hillsdale College, Hillsdale, Michigan
UAP · Egg · 47 sources
47Partially documented
The Beverly High School Encounter, Massachusetts (1966)
April 22, 1966 · Athletic field behind Beverly High School, Beverly, Essex County, Massachusetts
UAP · Disc / saucer · 23 sources
33Partially documented
The Condon Report and the NAS Review, 1966 to 1969
October 6, 1966 · University of Colorado, Boulder, Colorado
UAP · Unknown · 37 sources
29Thinly documented
Ralph Ditter's Zanesville Saucer Polaroids
November 13, 1966 · Roseville, near Zanesville, Ohio
UAP · Disc / saucer · 27 sources · 3 photos
31Partially documented
The Marliens Ground Trace, Côte-d'Or
May 1967 · Le Champ Terraillot, near Marliens, canton of Genlis, Côte-d'Or
UAP · Unknown · 12 sources · 3 photos
36Partially documented
The Falcon Lake Incident
May 20, 1967 · Rock outcrop north of Falcon Lake, Whiteshell Provincial Park, Manitoba
UAP · Disc / saucer · 57 sources
44Partially documented
The Warren Smith Photographs: Highwood Ranger Station, Alberta, 1967
July 3, 1967 · Near Highwood Ranger Station, about 50 miles southwest of Calgary, Alberta (also catalogued as near Nanton)
UAP · Disc / saucer · 11 sources · 8 photos
43Partially documented
The Duhamel Landing Rings: Schielke Farm, Alberta, 1967
August 5, 1967 · Schielke farm, near Duhamel, Camrose County, Alberta
UAP · Unknown · 16 sources · 2 photos
44Partially documented
The Mutilation of Snippy the Horse
September 9, 1967 · Harry King ranch, San Luis Valley, near Alamosa, Colorado
UAP · Unknown · 19 sources
41Partially documented
Shag Harbour UFO Incident
October 4, 1967 · Shag Harbour, Shelburne County, Nova Scotia
UAP · Other · 58 sources
49Partially documented
Herbert Schirmer Abduction, Ashland, Nebraska
December 3, 1967 · Junction of U.S. Highway 6 and Nebraska Highway 63, near Ashland, Saunders County, Nebraska
UAP · Disc / saucer · 31 sources
25Thinly documented
The Moroccan UFO and King Hassan II's Request to the United States
September 19, 1976 · Atlantic coast of Morocco, from Agadir to the Fez region
UAP · Disc / saucer · 27 sources
36Partially documented
Kirtland AFB Manzano Sightings and the Paul Bennewitz Affair
August 8, 1980 · Manzano Weapons Storage Area and Coyote Canyon, Kirtland AFB, Albuquerque, New Mexico
UAP · Disc / saucer · 29 sources
37Partially documented
The ODNI Preliminary Assessment on Unidentified Aerial Phenomena (the 2021 Pentagon UFO Report)
June 25, 2021 · Washington, D.C. (delivered to the congressional intelligence committees)
UAP · Unknown · 49 sources
51Partially documented
NASA UAP Independent Study Team final report
September 14, 2023 · Mary W. Jackson NASA Headquarters, Washington, D.C.
UAP · Sphere · 50 sources
38Partially documented
  • Central Intelligence Agency· 1998-10-15· 2 pages· 2 pages mention it
    • p. 1 …Edward Uhler Condon. ## 15-Month Contract Condon is a stocky, crewcut, 64-year-old physicist who has never run away…
    • p. 2 …For a man whose scientific life has been closely linked to atomic energy, it was appropriate that Condon should have…
  • Central Intelligence Agency· 1967-02-20· 3 pages· 3 pages mention it
    • p. 1 …Colorado is Dr. E.U. Condon. 2. On 20 February 1967 at 0915 Dr. Condon and four members of his…
    • p. 2 …Visit of Dr. Condon to NPIC, 20 February 1967 will be available to assist Dr. Condon by performing work of…
  • Central Intelligence Agency· 2013-06-26· 3 pages· 3 pages mention it
    • p. 1 …Colorado is Dr. E.U. Condon. 2. On 20 February 1967 at 0915 Dr. Condon and four members of his…
    • p. 2 …Visit of Dr. Condon to NPIC, 20 February 1967 will be available to assist Dr. Condon by performing work of…
  • Central Intelligence Agency· 1967-01-04· 3 pages· 3 pages mention it
    • p. 1 …Colorado is Dr. E.U. Condon. 2. On 20 February 1967 at 0915 Dr. Condon and four members of his…
    • p. 2 SUBJECT: Visit of Dr. Condon to NPIC, 20 February 1967 5. Following this brief discussion in Mr. Lundahl's office…
  • Central Intelligence Agency· 2013-06-26· 2 pages· 2 pages mention it
    • p. 1 …Edward Condon, 5 May 1967 1. At 0900 on 5 May 1967, presented a briefing covering his analysis of the…
    • p. 2 …Edward Condon, 5 May 1967 all the photography in NICAP files, and was now depending on the American public to…
  • Central Intelligence Agency· 1967-04-01· 2 pages· 2 pages mention it
    • p. 1 …Edward Condon, 5 May 1967 1. At 0900 on 5 May 1967, presented a briefing covering his analysis of the…
    • p. 2 …Edward Condon, 5 May 1967 all the photography in NICAP files, and was now depending on the American public to…

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