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The Ghost Rockets (Spökraketer), Scandinavia, 1946
July 19, 1946 · Lake Kölmjärv, Överkalix, Norrbotten, Sweden (wave across Sweden, Finland, Norway and Denmark)
UAP · Cigar · 54 sources · 3 photos
86Well documented
Kaikōura Lights
December 1978 · Kaikōura coast and Cook Strait, between Blenheim, Wellington and Christchurch, South Island
UAP · Orb / light · 53 sources · 3 photos
84Well documented
The Lake Huron "Octagonal" Object Shootdown
February 12, 2023 · Lake Huron, about 15 nautical miles off Michigan's Upper Peninsula
UAP · Other · 32 sources · 4 photos
76Well documented
Minot AFB B-52 UFO Incident
October 24, 1968 · Minot Air Force Base and Minuteman missile field, North Dakota
UAP · Other · 34 sources · 1 photos
72Well documented
The Hessdalen Lights
December 8, 1981 · Hessdalen valley, Holtålen Municipality, Trøndelag
UAP · Orb / light · 86 sources · 17 photos
72Well documented
The Colares Flap and Operação Prato
1977 · Colares, Bay of Marajó, Pará
UAP · Orb / light · 72 sources · 12 photos
72Well documented
USS Nimitz "Tic Tac" Encounter
November 14, 2004 · Pacific Ocean, about 100 miles southwest of San Diego, off Baja California
UAP · Tic Tac · 49 sources · 1 photos
70Well documented
The 1973 UFO Flap: The Autumn of Aliens
c. 1973 · Southern and Midwestern United States (Mississippi, Louisiana, Alabama, Georgia, Tennessee, Ohio, Indiana)
UAP · Other · 37 sources
69Well documented
The 2024 Drone Wave: New Jersey, Langley AFB and RAF Lakenheath
November 13, 2024 · New Jersey and the US Northeast, with Joint Base Langley-Eustis, Virginia (Dec 2023) and RAF Lakenheath, Mildenhall, Feltwell and Fairford, England (Nov 2024)
UAP · Other · 34 sources · 1 photos
69Well documented
Battle of Los Angeles
February 25, 1942 · Los Angeles coast, Santa Monica to Long Beach, California
UAP · Other · 59 sources · 3 photos
68Well documented
VASP Flight 169: Captain Britto's Light over Brazil
February 8, 1982 · Airspace between Bom Jesus da Lapa, Bahia, and Rio de Janeiro (Galeão), Brazil
UAP · Disc / saucer · 19 sources
67Well 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
Roswell Incident
July 8, 1947 · Foster ranch, about 30 miles south of Corona, New Mexico (announced from Roswell Army Air Field)
UAP · Disc / saucer · 80 sources · 6 photos
64Well documented
The Phoenix Lights
March 13, 1997 · Phoenix and a corridor from Henderson, Nevada to Tucson, Arizona
UAP · Boomerang / V · 45 sources
64Well documented
Loring AFB Incursions and the 1975 Northern Tier Overflights
October 27, 1975 · Loring Air Force Base, Limestone, Aroostook County, Maine
UAP · Other · 59 sources
63Well documented
Aguadilla Trans-Medium Video
April 25, 2013 · Rafael Hernández Airport (TJAB), Aguadilla, Puerto Rico
UAP · Orb / light · 32 sources · 1 photos
62Well 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 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
Danish Airport and Military Base Drone Incursions
September 22, 2025 · Copenhagen Airport (Kastrup), with further sightings at Aalborg Airport, Skrydstrup Air Base, Karup Air Base and other Danish sites
UAP · Unknown · 34 sources
60Well 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
Brazil's Official Night of the UFOs (Noite Oficial dos OVNIs)
May 19, 1986 · São José dos Campos and airspace over São Paulo, Rio de Janeiro, Minas Gerais and Goiás
UAP · Orb / light · 57 sources
60Well documented
The Enfield Poltergeist
c. 1977 · 284 Green Street, Brimsdown, Enfield, North London
Paranormal · Other · 50 sources · 9 photos
59Partially documented
The 1976 Tehran UFO Incident (Dogfight over Tehran)
September 19, 1976 · Tehran (Shemiran, Mehrabad Airport and airspace north and south of the city)
UAP · Other · 46 sources
59Partially documented
The Belgian UFO Wave
November 29, 1989 · Eupen and the Hautes Fagnes, Liège province, later across Wallonia
UAP · Triangle · 62 sources
59Partially documented
The Oak Ridge Atomic Plant Radar-Visual Flap
October 1950 · Oak Ridge and Knoxville, Tennessee
UAP · Other · 23 sources
58Partially documented
The Manises UFO Incident
November 11, 1979 · Manises Airport, Valencia, and the Mediterranean between Ibiza and Valencia
UAP · Other · 47 sources
58Partially documented
The Nevada Fireball: The Las Vegas UFO Crash of 1962
April 18, 1962 · Las Vegas and Nellis AFB, Nevada, with reports from New York, Colorado, Utah and Reno
UAP · Other · 36 sources
57Partially 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
Kecksburg UFO Incident
December 9, 1965 · Kecksburg, Mount Pleasant Township, Westmoreland County, Pennsylvania
UAP · Other · 58 sources · 1 photos
57Partially documented
The 1978 Italian UFO Wave
1978 · Across Italy, especially the central and southern Adriatic coast, Sicily, Calabria, Liguria and Piedmont
UAP · Disc / saucer · 35 sources · 1 photos
55Partially documented
The 1947 Flying Disc Craze: America's First Flying Saucer Wave
c. 1947 · United States (nationwide, heaviest in the Pacific states: California, Washington and Oregon)
UAP · Disc / saucer · 31 sources
55Partially documented
The Seaford Poltergeist ("Popper"), Herrmann House, Long Island, 1958
February 3, 1958 · Herrmann house, Seaford, Town of Hempstead, Nassau County, Long Island, New York
Paranormal · Other · 36 sources · 2 photos
55Partially documented
The Mariana UFO Film
August 15, 1950 · Legion Park, Great Falls, Montana
UAP · Disc / saucer · 63 sources · 3 photos
55Partially documented
The Hudson Valley UFO Wave (The Westchester Boomerang)
December 31, 1982 · Hudson Valley (Westchester, Putnam and Dutchess counties), New York
UAP · Boomerang / V · 64 sources · 1 photos
55Partially documented
Japan Air Lines Flight 1628: The Alaska Mothership
November 17, 1986 · Interior Alaska, between Fort Yukon, Fairbanks and Talkeetna
UAP · Other · 77 sources
55Partially 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
Pereslavl-Zalessky Radar and Fighter-Jet Incident (Gen. Igor Maltsev's Statement)
March 21, 1990 · Pereslavl-Zalessky region, north-northeast of Moscow (also Zagorsk/Sergiyev Posad, Fryazino, Kirzhach)
UAP · Disc / saucer · 24 sources
54Partially documented
The French UFO wave of 5 November 1990 (Gorizont 21 re-entry)
November 5, 1990 · Across France, from the Bay of Biscay to Alsace (Gretz-Armainvilliers, Tulle, Dax, Colmar, Mulhouse), also seen from Belgium, the Netherlands and Germany
UAP · Triangle · 36 sources · 1 photos
54Partially documented
The GIMBAL and GOFAST Videos
January 2015 · Atlantic Ocean, about 300 miles off Florida (USS Theodore Roosevelt carrier strike group)
UAP · Other · 61 sources · 2 photos
54Partially documented
The Norwegian Spiral Anomaly
December 9, 2009 · Northern Norway, seen from Trøndelag to Finnmark and in Northern Sweden
UAP · Other · 58 sources · 5 photos
53Partially documented
The Iranian UFO Wave and F-14 Intercepts over Nuclear Sites
April 2004 · Iran: Tehran, Tabriz, Ardebil and Golestan province; the Arak heavy-water reactor at Khondab and the Bushehr nuclear power plant
UAP · Sphere · 23 sources
52Partially documented
The Green Fireballs over New Mexico
December 5, 1948 · Los Alamos, Sandia Base and Kirtland AFB (Albuquerque), northern and eastern New Mexico, and West Texas
UAP · Orb / light · 61 sources
52Partially documented
Rendlesham Forest Incident
December 26, 1980 · Rendlesham Forest, between RAF Woodbridge and RAF Bentwaters, Suffolk, England
UAP · Triangle · 69 sources
52Partially documented
The Edwards AFB Radar-Visual Incident
October 7, 1965 · Edwards Air Force Base, Mojave Desert, California
UAP · Unknown · 27 sources
51Partially documented
Tinker AFB and Wichita Radar Sightings, 1965
August 1, 1965 · Tinker AFB, Midwest City (Oklahoma City), Oklahoma, with reports across Oklahoma and at Wichita, Kansas
UAP · Formation · 17 sources
51Partially documented
The Beast of Gévaudan
June 30, 1764 · Les Hubacs, near Langogne, parish of Saint-Étienne-de-Lugdarès (Vivarais, now Ardèche), on the border of the Gévaudan
Cryptid · Creature · 80 sources
50Partially documented
The Lubbock Lights
August 25, 1951 · Lubbock, Texas
UAP · Formation · 38 sources · 4 photos
50Partially documented
Foo Fighters of World War II
November 1944 · Rhine valley north of Strasbourg, Alsace, with reports across the European and Pacific theatres
UAP · Orb / light · 76 sources
50Partially documented
The Mantell UFO Incident
January 7, 1948 · Godman Field, Fort Knox, to the Phillips farm near Franklin, Simpson County, Kentucky
UAP · Other · 100 sources · 1 photos
50Partially documented
The Starlink Satellite Train UFO Reports: Netherlands, Montana and Ontario
May 25, 2019 · Netherlands (Leiden, Maarsbergen, The Hague, Landgraaf); later Browning and Rocky Boy, Montana, and Mississauga, Ontario
UAP · Formation · 35 sources · 2 photos
49Partially documented
The Min Min Lights of Western Queensland
c. 1918 · Min Min Hotel site, Kennedy Developmental Road between Boulia and Winton, Queensland
UAP · Orb / light · 28 sources
49Partially documented
Kirtland AFB control-tower sighting
November 4, 1957 · Kirtland Air Force Base control tower, Albuquerque, New Mexico
UAP · Egg · 21 sources
49Partially documented
Fort Monmouth radar and T-33 sightings
September 10, 1951 · Fort Monmouth, Point Pleasant and Sandy Hook, New Jersey
UAP · Disc / saucer · 20 sources
49Partially documented
Shipton and Ward Yeti Footprints, Menlung Glacier, 1951
November 8, 1951 · Menlung Glacier, below the Menlung La, Gauri Sankar group, Nepal-Tibet border
Cryptid · Creature · 49 sources · 5 photos
49Partially documented
The Cosford Incident
March 30, 1993 · RAF Cosford, Shropshire, with sightings across England, Wales and Ireland
UAP · Triangle · 51 sources
49Partially documented
Shag Harbour UFO Incident
October 4, 1967 · Shag Harbour, Shelburne County, Nova Scotia
UAP · Other · 58 sources
49Partially documented
West Freugh Radar Incident
April 4, 1957 · RAF West Freugh and the Luce Bay bombing range, Wigtownshire, Scotland
UAP · Unknown · 26 sources
48Partially documented
The British Phantom Airship ("Scareship") Wave of 1909
March 23, 1909 · England, Wales and Ireland (Peterborough, East Anglia, Birmingham, Cardiff and Caerphilly, Belfast, Kingstown)
UAP · Cigar · 36 sources
48Partially documented
Borley Rectory: Harry Price's Year in the Most Haunted House in England (1937-1938)
May 1937 · Borley Rectory, Hall Road, Borley, Essex, England
Paranormal · Being / humanoid · 64 sources · 13 photos
48Partially documented
The Miracle of the Sun at Fátima
October 13, 1917 · Cova da Iria, Fátima, Ourém, Portugal
UAP · Disc / saucer · 47 sources · 4 photos
48Partially documented