1 January 1957 15:30 - St Helens, UK -   A flying disc was observed. One disc was observed in cloudy weather by ten experienced witnesses (Rhodes).

3 January 1957 Before 1000 - York, Skircoat Green, UK -   Unusual objects were sighted, that had unconventional appearance and performance. Several objects were observed by two male children (Weeks).

In early January 1957 10:00 - Halifax, UK -   Several objects were observed by one witness in a swamp.

7 January 1957 15:20 - Serezin.Tour, France -   Cigar-shaped objects were observed. Three cigar-shaped objects were observed. Explanation: Planet.

8 January 1957 08:45 - St-Trojan, France -   A daytime disc was reported.

8 January 1957 11:00 - Napier, New Zealand -   Dark disc to the south under white clouds, two sharp turns, rapidly to the east. Red fireball seen at 23:00.

10 January 1957 14:00 - Mexborough, UK -   One object was observed by two female experienced witnesses (Oxley).

10 January 1957 16:35 - Stafford, UK -   Cigar moving to the southwest, left orange trail behind it twice its own length. When jet plane approached, it rose vertically and vanished into the sky. Explanation: Reflection.

12 January 1957 11:25 - Tempe, Arizona , USA -   Balloon-like object observed. One ball was observed by one witness for five minutes (Baker). Explanation: Balloon.

15 January 1957 15:50 - Falkirk, UK -   A flying disc was observed. One disc was observed by five witnesses.

17 January 1957 10:47 - Yokohama, Japan -   Photo. (Ambiguous location - more than one place with this name).

21 January 1957 10:50 - Arlington, Virginia , USA -   Army Intelligence incident.

24 January 1957 Around 1100 - Chippenham, UK -   An unidentified but otherwise conventional object was sighted. One object was observed by two experienced witnesses for 18 seconds (Todd).

8 February 1957 Daytime - Georgetown, Massachusetts, USA -   FBI incident.

11 February 1957 11:50 - Honolulu, Hawaii, USA -   Luminous disc enters clouds, rises above it accompanied with second smaller object, both objects maneuver about.

12 February 1957 16:20 - Floyd Bennett Nas, New York, USA -   Photo, evaluated as balloon. Explanation: Balloon.

15 February 1957 09:30 - Poligne, France -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Nine objects were observed.

15 February 1957 11:40 - Portsmouth, UK -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by three male children (Bolt).

21 February 1957 17:30 - Longreach, Queensland, Australia -   A daytime disc was observed by three witnesses.

In March 1957 - San Francisco, California , USA -   A daytime disc was reported (Langford).

In March 1957 10:00 - West Bolton, Vermont, USA -   One object was observed by one witness for over 15 minutes.

In March 1957 Daytime - Sebring N, Florida, USA -   A daylight disc was observed by a female witness (Hogan, E).

28 February 1957 13:30 - Darmstadt, Germany -   Photo

1 March 1957 - Attleboro, Massachusetts, USA -   A daylight disc was observed by a male witness (Crisileo).

2 March 1957 08:20 - Kyoto, Japan -   Small metallic disc flies over gardens at low altitude. Fast exit at sharp angle upward.

3 March 1957 12:47 - Herington, Kansas, USA -   An unidentified but otherwise conventional object was sighted. One object was observed (Jeffus).

5 March 1957 11:15 - Amriswil, Switzerland -   A daytime disc was reported (Muessli).

9 March 1957 16:15 - Colorado Springs, Colorado , USA -   Two objects were observed for over 75 minutes (Cambell). Explanation: Debris.

10 March 1957 16:00 - Jacksonville, Florida, USA -   Two children watched white disk in vertical position shoot rapidly to the south at a terrific speed. Explanation: Aircraft.

In mid-March 1957 Afternoon - Los Angeles, California , USA -   There were about 5-7 saucers, gray color in a V shape form, a mass sighting of about 200 or more people.

27 March 1957 20:35 - Roswell, New Mexico, USA -   C-45 transport saw to the left three bright white circular objects in tight formation

28 March 1957 22:35 - Reseda, California , USA -   Cigar-shaped, golden, glowing object

29 March 1957 13:00 - Wickenburg, Arizona , USA -   Six small silvery objects play tag in sky, dive low and shoot away.

In Spring 1957 07:30 - Saleve, Switzerland -   A flying disc was observed. One disc was observed by one witness (Simon).

In April 1957 17:30 - Mont-de-Laval, France -   1m diameter luminous globe with 2m wide Saturn ring, flies at 50m altitude overhead, slowly and silently.

5 April 1957 - Brenham, Texas, USA -   An unusual object was sighted, that had unconventional appearance and performance. A daylight disc was observed by a female witness (Kaechele, W).

5 April 1957 18:00 - Dallas, Texas, USA -   Ovoid object flying to the southwest, moved back-forth 6 times. Had white center and red glowing edge. Left moving rapidly to the south southwest .

7 April 1957 15:30 - Tahunanui, New Zealand -   Ovoid hovers over beach, suddenly shoots away rapidly to the NNW. Sharply defined edges, .5x size of moon.

7 April 1957 16:30 - Channel Island, New Zealand -   A flying disc was observed. One disc was observed by one experienced male witness on the ocean for 20 minutes (Matheson).

10 April 1957 13:13 - El Centro, California , USA -   Balloon-like object observed. One ball was observed for 11 minutes (Abacrombe). Explanation: Balloon.

10 April 1957 16:50 - Kensington, UK -   Disc hovers, sways back-forth. Independent witnesses.

11 April 1957 19:00 - Cohasset, Massachusetts, USA -   Jets chase gold disc. Disc made fast, sharp turns, and shot away. Jets circle area for about one hour.

18 April 1957 07:50 - Albuquerque, New Mexico, USA -   Balloon-like object observed. One ball was observed for over six minutes (Lampkin). Explanation: Balloon.

19 April 1957 11:52 - Pacific -   Two metal disks were seen in the sky.

22 April 1957 13:00 - Palalda, France -   A whirlwind of flames, five meters in diameter, about 15 meters above ground.

23 April 1957 20:50 - Harrow, UK -   An aircraft-like object was observed. One aircraft-like object was observed for over 30 seconds (Johnson). Explanation: Aircraft.

25 April 1957 15:30 - Glasgow, UK -   A daytime disc was reported.

28 April 1957 16:30 - Channel Island, New Zealand -   A flying disc was observed. One disc was observed on the ocean for 20 minutes.

1 May 1957 08:30 - Canada Rosquin, Argentina -   A daytime disc was reported.

1 May 1957 10:00 - Guyhirn, UK -   Gold dinner-plate disc jerks around sky and circles. Vanishes.

2 May 1957 07:55 - Edwards AFB, California , USA -   Theodolite Crew incident. Explanation: Balloon.

2 May 1957 13:15 - Lake Silkworth, Pennsylvania, USA -   An unidentified but otherwise conventional object was sighted. One object was observed for over 15 minutes (Kinney). Explanation: Balloon.

5 May 1957 17:15 - Amsterdam, New York, USA -   An unusual object was sighted, that had unconventional appearance and performance. One object was observed by one male witness (Downey).

7 May 1957 11:25 - Jackson, Mississippi, USA -   More than three objects were observed for six seconds (Cook).

7 May 1957 15:45 - Macon, Georgia, USA -   Motion pictures. Explanation: Aircraft.

17 May 1957 07:50 - Roswell, New Mexico, USA -   One white disc was observed.

20 May 1957 17:15 - Victoria, Australia -   One object was observed by more than a thousand witnesses.

21 May 1957 12:00 - Chula Vista, California , USA -   An object was observed using optical instruments. One object was observed by two experienced male witnesses for 45 minutes (Martin).

22 May 1957 Morning - Clyrd, Monmouthshire, UK -   One object was observed by one witness at a mountain (Price).

22 May 1957 15:30 - Bletchley, UK -   Fat cigar in vertical position, hovers in place in stiff wind, turns, rapidly to the southeast.

22 May 1957 Around 1800 - Bad Ewischenahn, Germany -   A daytime disc was reported.

23 May 1957 08:15 - Kansas City, Kansas, USA -   Four discs in box formation, two turn to the northwest, two go rapidly to the north then join other pair going rapidly to the northwest. Explanation: Aircraft.

24 May 1957 10:38 - Kings Park, New York, USA -   Large plain cigar slowly flies to the south. "Flying boxcar" follows, jet seen rapidly to the north. Explanation: Balloon.

In June 1957 13:20 - Luton, UK -   Large disc with tailfin and antenna zigzags low and close to schoolyard.

1 June 1957 12:00 - East Los Angeles, California , USA -   Man witnesses two bright "white and blue" stars pursued by jet fighters.

3 June 1957 16:00 - Mossley, UK -   Photo

4 June 1957 12:30 - Kingseat, New Zealand -   Balloon-like objects observed. Two ovoid objects, about 20 feet across, were observed on a farm for two minutes. Explanation: Balloon.

6 June 1957 17:00 - Dixons Corners, Ontario, Canada -   Silver disc hovers at 8km altitude.

10 June 1957 09:42 - Shrewsbury, UK -   Balloon-like object observed. One ball was observed by more than two witnesses (Birch). Explanation: Balloon.

10 June 1957 18:40 - Tokyo, Japan -   Two small round objects zigzag, hover, and flutter over theater for 20 seconds. Ascended very rapidly

12 June 1957 11:00 - Iran -   A meteor-like object was observed. One object was observed for a few minutes. Explanation: Meteor.

13 June 1957 - Knoxville, Tennessee, USA -   A daylight disc was observed by a male witness (Fincannon).

13 June 1957 10:32 - Columbus, New Mexico, USA -   Balloon-like object observed. One ball was observed by military witnesses for over 15 minutes. Explanation: Balloon.

14 June 1957 09:20 - Chilwell, UK -   A flying disc was observed. One silver disc was observed by one witness on a road for over one minute. No sound was heard.

14 June 1957 20:00 - Silver Bell, Arizona , USA -   An unusual object was sighted by multiple witnesses, that had unconventional appearance and aerobatic performance. One sphere, about 150 feet across, was observed by two male witnesses, one of them an experienced observor, at a mine for ten minutes.

15 June 1957 18:10 - Lancashire County, UK -   Viewed through telescope. Saturn-shaped UFO with four portholes below rim.

18 June 1957 20:00 - Crockett, California , USA -   Three objects were observed by three witnesses on a river.

20 June 1957 15:00 - Haddington, UK -   A daytime disc was reported.

21 June 1957 11:45 - Charlton Kings, UK -   An unidentified but otherwise conventional object was sighted. A daytime disc was reported (Jones). Explanation: Balloon.

27 June 1957 16:15 - Lyon, France -   A daytime disc was reported.

28 June 1957 10:45 - Christchurch, New Zealand -   A flying disc was observed. One aluminum disc was observed by four witnesses in a city for over one minute.

28 June 1957 12:10 - Howe Sound, British Columbia, Canada -   A flying disc was observed. One dome-shaped object, about 40 feet across, was observed by three witnesses on the ocean for over one minute.

In Mid- 1957 - Kent, Connecticut, USA -   A daytime disc was reported (Klein).

In July 1957 - Frankfort, Indiana, USA -   A daylight disc was observed by a male witness (Greeno).

In July 1957 08:00 - Toowoomba, Queensland, Australia -   One domed disc was observed by a group of witnesses on a farm for two minutes.

In July 1957 13:15 - Luton, UK -   A flying disc was observed. One disc was observed (Dillon).

In July 1957 14:30 - Fjord, Norway -   Photo. Explanation: Malfunct.

In July 1957 15:30 - Leighton Buzzard, UK -   A daytime disc was reported.

In Mid- 1957 Around 2000 - Walsall, UK -   An unidentified but otherwise conventional object was sighted. One object was observed by three witnesses for 30 minutes (Langford).

In July 1957 20:15 - Hampshire, UK -   An unidentified but otherwise conventional object was sighted. A daytime disc was observed by more than two witnesses (Jones; Oxtoly). Explanation: Mirage.

1 July 1957 21:00 - Glasgow, UK -   A daytime disc was reported.

7 July 1957 10:30 - Guanabara Bay, Brazil -   An unidentified but otherwise conventional object was sighted. One object was observed by several female witnesses on the ocean for over 15 minutes.

7 July 1957 19:00 - Summerside, Prince Edward Island, Canada -   Fog or smoke. Dark disc rapidly to the northwest extremely fast, makes V-turns, blows smoke. RCAF report.

10 July 1957 12:10 - Crawford Spring, Oregon, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One brown domed disc was observed by two witnesses at a mountain for over one minute (Medlock). A plopping sound was heard.

11 July 1957 07:30 - Elmira, New York, USA -   Balloon-like object observed. One ball was observed for 90 minutes (Britt; Ersly). Explanation: Balloon.

13 July 1957 - Fallsvale, California , USA -   A daytime disc was reported (Mitchek).

14 July 1957 17:50 - Rio Doce, Brazil -   Cruzeiro Sul Convair incident.

17 July 1957 15:23 - New York, New York, USA -   A flying disc was observed. One disc, nine times the size of the moon, was observed by one witness for under one minute (Horan).

19 July 1957 17:02 - Waupun, Wisconsin, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, larger than a star, was observed in clear weather for 12 seconds (Lockhart). Explanation: Meteor.

23 July 1957 Daytime - White Sands, New Mexico, USA -   A flying disc was observed. One disc was observed by four witnesses (Wagner).

24 July 1957 10:00 - Devonport, New Zealand -   A hovering flying disc was observed. One silver disc was observed at a hotel for over one minute.

24 July 1957 Daytime - Norway, Norway -   Photo

24 July 1957 24:00 - Vladivostok, Russia -   Soviet anti-aircraft fire at group of fast discs.

25 July 1957 12:45 - Oregon City, Oregon, USA -   Brilliant disc spins across sky fast, slight tilt. Possible meteor? Explanation: Meteor.

26 July 1957 10:00 - Iran -   An aircraft-like object was observed. One aircraft-like object was observed for over five minutes. Explanation: Aircraft.

26 July 1957 12:35 - Oregon City, Oregon, USA -   A flying disc was observed. One disc was observed by two witnesses.

27 July 1957 03:00 - Longmont, Colorado, USA -   A thick disc, ice blue, with a top like honeycomb

29 July 1957 11:45 - Oldsmar, Florida, USA -   A pale yellow fireball glide into the water and exploded

31 July 1957 Dawn - Cacalilao, Mexico -   A daytime disc was reported (Camarillo).

31 July 1957 09:30 - Calistoga, California , USA -   Two objects were observed by one male witness for 18 seconds (Besler).

2 August 1957 - Columbus, Ohio, USA -   A daylight disc was observed by a male witness (Gage, F).

2 August 1957 13:00 - Reefton, New Zealand -   School incident.

3 August 1957 22:00 - Denville, New Jersey, USA -   Guards incident. Explanation: Moon.

5 August 1957 10:00 - Tolar Grande, Argentina -   Police incident.

8 August 1957 Dusk - Odessa, Texas, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by four female witnesses, typical age 12, for 20 minutes (Lann).

9 August 1957 11:50 - Pawling, New York, USA -   Balloon-like object observed. One ball was observed for ten minutes (Garhold; Nagle). Explanation: Balloon.

13 August 1957 06:00 - Ogden Dunes, Indiana, USA -   Glowing domed disc, 20m diameter, hovers 15m over lake, maneuvers.

20 August 1957 - Fujisawa, Japan -   Takeda photo

20 August 1957 10:00 - Tucson, Arizona , USA -   An object was observed and photographed. One object was observed by one witness.

20 August 1957 11:28 - Fujisawa, Japan -   Photo of luminous UFO

22 August 1957 08:15 - Japan -   A daytime disc was reported.

22 August 1957 11:20 - Canton, Ohio, USA -   One object was observed by military witnesses for 18 seconds (Lee).

22 August 1957 11:20 - Bedford, Ohio, USA -   One object was observed by military witnesses for 18 seconds (Dewitz).

23 August 1957 07:00 - Camden, New Jersey, USA -   Photo. Explanation: Balloon.

23 August 1957 Noon - Salem, Oregon, USA -   Unidentified objects were sighted by mutliple independent witnesses, but with appearance and behavior that most likely would have a conventional explanation. Six objects were observed by five witnesses.

23 August 1957 18:00 - Rio de Janeiro, Brazil -   10m diameter disc zig-zags over bay, rises slowly in altitude until gone.

27 August 1957 14:15 - Boston Nne, Massachusetts, USA -   An unidentified but otherwise conventional object was sighted. One object was observed by military witnesses for 20 minutes. Explanation: Balloon.

29 August 1957 16:43 - Paso Robles, California , USA -   Taylor and Bunting saw silver circular object flying north to west.

30 August 1957 09:21 - Paso Robles, California , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation.

30 August 1957 12:00 - San Rafael, Honduras -   Large cigar over mountains, flashes at one end, earth tremors. Object spirals.

30 August 1957 12:30 - Sea Isle City, New Jersey, USA -   Engineers incident.

In September 1957 09:00 - Fort Belvoir, Virginia , USA -   Fort Belvoir Photo of a ring-shaped object. Explanation: cloud produced by atomic-bomb simulation.

In September 1957 Around 1500 - Kreuzlinger Hafenb, Switzerland -   Photo of heel-shaped UFO.

In September 1957 16:15 - Croissy-Beaubourg, France -   One object, the size of the moon, was observed for over six minutes (Dumesnil).

In September 1957 19:15 - Madrid, Spain -   A daytime disc was reported.

1 September 1957 13:50 - Chitose Afb, Japan -   Photo. Explanation: Coincidenc.

3 September 1957 12:04 - Yuma, Arizona , USA -   More than 12 objects were observed for 11 minutes (Gomelin). Explanation: Debris.

4 September 1957 18:50 - Sioux City, Iowa, USA -   Minister and two others watch moonsize disc to the east, stops, shoots straight up as USAF jets approach.

5 September 1957 13:00 - Dayton W Hwy55, Ohio, USA -   Shiny disc or ball-shaped object rapidly to the northeast, stops, maneuvers rapidly to the south. Seen clearly.

7 September 1957 10:30 - Quilpue, Chile -   A daytime disc was reported.

10 September 1957 Daytime - Pleasant Valley, New York, USA -   An unusual object was sighted, that had unconventional appearance and performance. A daytime disc was observed by two witnesses (Holsapple).

17 September 1957 16:30 - Wiesbaden, Germany -   A daytime disc was reported (Bose).

18 September 1957 13:30 - Messigny, France -   A daytime disc was reported.

18 September 1957 15:00 - Ipplepen, UK -   Ex-RAF Mechanic incident.

19 September 1957 - St Petersburg, Florida, USA -   One object was observed at an airport for over one minute.

19 September 1957 16:15 - Grenoble, France -   A daytime disc was reported.

22 September 1957 15:30 - Toronto S 150M, Ontario, Canada -   RCAF T-33 incident.

28 September 1957 14:40 - Old Greenwich, Connecticut, USA -   An unusual object was sighted, that had unconventional appearance and performance. A daytime disc was observed by two witnesses (Cooper).

In Fall 1957 Daytime - B-47, Texas, USA -   One object, of huge size, was observed by six witnesses.

In October 1957 16:10 - Croissy-Beaubourg, France -   A cigar-shaped object was observed. One cigar-shaped object was observed on a road for over 60 minutes.

In October 1957 Dusk - London, UK -   Photo of an elongated cylindrical object, taken at dusk.

5 October 1957 - Lancaster, Pennsylvania, USA -   A daylight disc was observed by a female witness (Keely).

In early October 1957 Afternoon - Portland, Oregon, USA -   An unidentified but otherwise conventional object was sighted. One object, about 40 feet across, was observed in cloudy weather by two female experienced witnesses for a few seconds (Kiser).

6 October 1957 16:15 - Tucson, Arizona , USA -   Cigar-shaped objects were observed using optical instruments. More than six ovoid objects were observed by seven male witnesses, one of them an experienced observor (Sydow).

8 October 1957 09:17 - Seattle, Washington, USA -   Two flat, round, white objects fly in trail formation

8 October 1957 13:00 - Lugo, Spain -   A daytime disc was reported.

9 October 1957 06:30 - Lugo, Spain -   A daytime disc was reported.

12 October 1957 15:20 - Vineyard Haven, Massachusetts, USA -   Scientist Woods Hole saw 5m diameter translucent like fiberglass sphere with protruding antennae hover 90 seconds after fast descent. No distance estimate. No radar reports in area with 24hr coverage. Explanation: Balloon.

13 October 1957 17:35 - Rotstock Rigi, Switzerland -   A flying disc was observed. One disc was observed by three witnesses (Haubenschmid).

14 October 1957 - Long Beach, California , USA -   A daylight disc was observed by a male witness (Wilkinson, V).

14 October 1957 14:30 - Tabriz, Iran -   One object was observed.

16 October 1957 13:30 - Alamogordo, New Mexico, USA -   Photo of elliptical object, evaluated as lenticular cloud. Explanation: Cloud.

17 October 1957 09:00 - Fatima, Portugal -   Angel hair samples taken for analysis.

18 October 1957 18:27 - Benson W9M, Arizona , USA -   Photo. Explanation: Meteor.

21 October 1957 14:30 - Bachaquero, Venezuela -   Two cylinders hover at high altitude. No wings, but had 3-pointed tail.

23 October 1957 11:44 - Tehran, Iran -   An aircraft-like object was observed. One aircraft-like object was observed by military witnesses for over three minutes. Explanation: Aircraft.

25 October 1957 - Jackson, Mississippi, USA -   A daylight disc was observed by a male witness (Noone).

25 October 1957 08:45 - Fiji, Fiji Islands -   A daytime disc was reported for over 15 minutes.

26 October 1957 12:00 - Cajamarca S, Peru -   An unidentified object, later identified as a planet, was observed. An unidentified object, later identified as a planet, was observed. One object was observed for over 15 minutes (Withrow). Explanation: Venus.

28 October 1957 12:00 - Cajamarca S, Peru -   An unidentified object, later identified as a planet, was observed. An unidentified object, later identified as a planet, was observed. One object was observed for over 15 minutes (Withrow). Explanation: Venus.

29 October 1957 12:00 - Cajamarca S, Peru -   An unidentified object, later identified as a planet, was observed. An unidentified object, later identified as a planet, was observed. One object was observed for over 15 minutes (Withrow). Explanation: Venus.

In November 1957 - Warren AFB, Wyoming, USA -   A daylight disc was observed by military witnesses near a nuclear test site (Walker).

In November 1957 Daytime - USA -   An object was observed and photographed. One luminous dome-shaped object was observed by a male witness.

In November 1957 After 1600 - Mount Aetna, Pennsylvania, USA -   A daytime disc was reported.

1 November 1957 09:20 - Johannesburg, South Africa -   Sabrejet incident.

1 November 1957 16:30 - Campbellsville, Kentucky, USA -   One object was observed by one witness.

1 November 1957 16:30 - Cheltenham, UK -   An aircraft-like object was observed. One aircraft-like object was observed (Hilyer). Explanation: Aircraft.

2 November 1957 15:00 - Andover, UK -   A daytime disc was reported.

3 November 1957 Afternoon - Texas, USA -   Test Pilot incident.

5 November 1957 Morning - Atlanta, Georgia, USA -   Firemen incident. Explanation: Aircraft.

5 November 1957 10:00 - Wichita Falls, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by two witnesses for 30 minutes (Persky).

5 November 1957 11:45 - East St Louis, Illinois, USA -   Three railroad men watched two silvery ovoids pass overhead at high speed. Explanation: Venus.

5 November 1957 15:30 - Skikda, Algeria -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

5 November 1957 16:00 - Norfolk, Virginia , USA -   One object was observed by more than two witnesses.

5 November 1957 16:30 - Haverhill, Massachusetts, USA -   GOC incident.

5 November 1957 16:34 - Alamogordo, New Mexico, USA -   Hovered.

5 November 1957 18:20 - Dauphin, Manitoba, Canada -   Object various descrirbed as silver or orange, saucer or ovoid. Seen over wide area.

5 November 1957 18:40 - Winnipeg, Manitoba, Canada -   RCAF incident.

5 November 1957 22:10 - New Castle, Indiana, USA -   An object looking like "a big meat platter".

6 November 1957 07:15 - Toronto, Ontario, Canada -   Hovered.

6 November 1957 08:10 - Amity, Oregon, USA -   School Principal incident.

6 November 1957 Morning - St Petersburg, Florida, USA -   One object was observed by numerous witnesses (Hayes).

6 November 1957 09:00 - Seoul, South Korea -   Luminous bluish-white barrel-shaped object. Explanation: Meteor.

6 November 1957 11:00 - Santos, Portugal -   A daytime disc was reported.

6 November 1957 12:00 - Vila Franca de Xira, Portugal -   Group of Naval officers sight disc, it reflects sunlight, moves east to west.

6 November 1957 Afternoon - Shawbridge, Quebec, Canada -   More than 10 objects were observed.

6 November 1957 17:00 - Bagansiapiapi, Indonesia -   A daytime disc was reported for over three minutes.

6 November 1957 18:00 - Yorkeys Knob, Queensland, Australia -   A daytime disc was reported for ten minutes.

7 November 1957 09:35 - Atlanta, Georgia, USA -   One object was observed.

7 November 1957 15:00 - Strawberry, Western Australia, Australia -   One light was observed for two minutes.

7 November 1957 16:15 - Manchester, New Hampshire, USA -   GOC incident. Explanation: Aircraft.

8 November 1957 Morning - Plattsburgh AFB, New York, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Many objects were observed at an airfield.

8 November 1957 10:10 - Merrick, New York, USA -   A bar-shaped object, 3.5 feet long, giving off blue flashes

8 November 1957 10:55 - Conscripto Bernardi, Argentina -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Four objects were observed.

8 November 1957 13:00 - Cannon AFB, New Mexico, USA -   Bus Driver incident.

8 November 1957 14:30 - Holly, West Virginia, USA -   An elongated object, 12 meters long, with several portholes from which fire and smoke appeared to be coming.

9 November 1957 08:00 - Pueblo N Us85, Colorado , USA -   A hovering cigar-shaped object was observed. One cigar-shaped object was observed for five minutes.

9 November 1957 09:15 - Lafayette Apt, Louisiana, USA -   EAL 562 incident. Explanation: EM.

9 November 1957 12:00 - Fargo, North Dakota, USA -   Photos

9 November 1957 15:45 - Sacramento, California , USA -   Objects were observed. Electromagnetic effects were noted. Three objects were observed (Rust). Explanation: Aircraft.

10 November 1957 11:00 - Skaryszew (Radom), Poland -   Hovered.

10 November 1957 13:00 - Varginha, Brazil -   Unidentified objects were sighted, that had an unusual appearance or performance. Four metallic round objects, about 2 feet across, were observed in a city for 30 minutes. No sound was heard.

10 November 1957 15:30 - Manhuacu, Brazil -   A daytime disc was reported.

10 November 1957 15:40 - Dores do Indaia, Brazil -   An object which flew in a straight line across the sky was reported.

10 November 1957 16:30 - Sao Gonzalo Para 8K, Brazil -   An object which flew in a straight line across the sky was reported.

11 November 1957 08:20 - Strum, Wisconsin, USA -   One object was observed.

11 November 1957 10:00 - Japan -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

11 November 1957 15:30 - Banning, California , USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed by one female witness (Norton).

11 November 1957 16:15 - Santa Susana Mtns, California , USA -   Four rocket engineers watch cigar and three silver discs rapidly to the southwest at 8000kph.

11 November 1957 16:20 - Sacramento, California , USA -   Rocketdyne incident.

11 November 1957 16:30 - Canoga Park, California , USA -   Three UFOs flying in formation

11 November 1957 17:00 - Pittsburgh, Pennsylvania, USA -   Two objects were observed.

12 November 1957 - Worthington, Ohio, USA -   A daylight disc was observed by a male witness (Lewis, J).

12 November 1957 14:30 - Port Angeles, Washington, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Nine objects were observed by two male witnesses for five minutes (Otrin; Starnes).

13 November 1957 Around 1400 - Port Broughton E, South Australia, Australia -   Object seen high in the sky, drifted slowly to the northwest . Explanation: Balloon.

13 November 1957 Around 1400 - Strathalbyn, South Australia, Australia -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one male witness (Elliott).

14 November 1957 09:15 - Croydon, UK -   (Ambiguous location - more than one place with this name).

15 November 1957 10:15 - Mount Elgin, Ontario, Canada -   A daytime disc was reported on a farm for over one minute.

16 November 1957 - Escanaba, Michigan, USA -   A daylight disc was observed by a male witness (Guay).

20 November 1957 Afternoon - Murphysboro, Illinois, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed by one witness.

21 November 1957 Dusk - Silpho Moor, UK -   A daytime disc was reported.

22 November 1957 - Tarakly, Turkey -   Turkish Air Force pilot saw a ten feet regular-hexagon-shaped object

22 November 1957 Daytime - Tarakly Se 10M, Turkey -   Turkish Air Force incident.

22 November 1957 13:58 - Barton-On-Sea, UK -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. A daytime disc was reported.

22 November 1957 16:00 - Canutillo, Texas, USA -   GOC incident.

24 November 1957 15:55 - Goteborg, Sweden -   An unidentified object was sighted, that had an unusual appearance or performance. One object, larger than a star, was observed by one experienced male military witness in a city (Kohrtz).

In late November 1957 Daytime - Trindade Island, Atlantic -   Instrumented observation

25 November 1957 14:30 - Faverges, France -   Ball zigzagged over highway N508, vanished into thin air.

26 November 1957 - West Mesa AFS, New Mexico, USA -   Explanation: Mirage.

26 November 1957 06:00 - Newberry Springs, California , USA -   Metallic coin-shaped disc rises from desert, hovers one hour.

26 November 1957 10:07 - Robbins AFB, Georgia, USA -   Silver, cigar-shaped object, suddenly vanished

26 November 1957 11:15 - Baton Rouge, Louisiana, USA -   Three objects were observed.

In 1958 - Garden Grove, California , USA -   A daytime disc was reported (Swaney).

In 1958 Morning - West Virginia, USA -   UFO investigator as young boy heard thunder, watched silver metallic object with red-orange afterglow pass low overhead, fly directly into hillside and vanish.

In 1958 Daytime - Ottershaw, UK -   A daytime disc was reported.

In 1958 Daytime - Esbjerg, Denmark -   A daytime disc was reported (Arentoft).

In 1958 Daytime - Giessen, Germany -   A daytime disc was reported (Radtke).

In 1958 Daytime - United Kingdom, UK -   Photo

In 1958 Daytime - Mineral Point, Pennsylvania, USA -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Numerous objects were observed by three female witnesses, typical age 25 (Wilson).

30 November 1957 14:11 - New Orleans, Louisiana, USA -   Round object turn white, then gold, then separate into three parts

In December 1957 14:30 - San Pedro, California , USA -   Photo of structured domed disc, a confessed hoax. Explanation: Hoax.

Late 1950's Afternoon - Jacksonville, Florida, USA -   Unusual objects were sighted, that had unconventional appearance and performance. Three objects, the size of the moon, were observed in clear weather by two male witnesses for over 15 minutes (Hays).

In December 1957 15:50 - Cove, UK -   Viewed through binoculars. Pyramid-shaped object, like streak of light with very bright light at the center, moved slowly across the sky.

In 1958 Evening - Edinburgh, Corstorphine Hill, UK -   Long silver-colored object streaked across evening sky. Near Zoo.

1 December 1957 - Jolietville, Indiana, USA -   USAF plane circles at low altitude as 1m diameter disc hovers above. Disc vanished.

1 December 1957 06:00 - Yokohama, Japan -   Huge cigar with 8 shimmering lights on side moves slowly.

1 December 1957 15:00 - Los Angeles, California , USA -   Motion pictures of four fuzzy objects. Six were observed by witness. Explanation: Balloons.

5 December 1957 - Torrington, Connecticut, USA -   Witness considered unreliable by USAF.

5 December 1957 07:05 - Quimerch, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

5 December 1957 12:10 - Jackson, Mississippi, USA -   Railroad Men incident.

In early December 1957 14:30 - Pacific -   A flying disc was observed and photographed from SS Ramsey. One object was observed by one male witness. Explanation: Hoax.

In early December 1957 14:30 - San Pedro, California , USA -   Photo of structured object. Explanation: Hoax.

6 December 1957 13:00 - Salvador, Brazil -   Metallic object hovers low over horizon, splits in half. One half descends heading to the south, other half hovers in place.

6 December 1957 17:20 - Tumacacori Natl Monument, Arizona , USA -   Domed disc maneuvers over mountains, red glow on bottom.

7 December 1957 15:00 - Osborne Power Stn, South Australia, Australia -   35 men watched object directly over Osborne powerhouse for 45 minutes. Hovered, moved slightly against the wind.

8 December 1957 15:00 - Bonanza, Oregon, USA -   Luminous disc hovered at 6km altitude over hills. Suddenly shot away rapidly to the southwest at 800kph.

12 December 1957 16:20 - Great Neck, New York, USA -   Photo

13 December 1957 09:35 - Colonia Anahuac, Mexico -   14-15 circular, tapered discs, very bright, fly in a formation

13 December 1957 09:40 - Colonel Anahuac, Mexico -   Project Blue Book "unidentified" case. 15 discs in vertical stack. Drop from bottom in sequence.

24 December 1957 - Avon, Massachusetts, USA -   A daytime disc was reported.

29 December 1957 15:00 - Kaitaia, New Zealand -   Several independent witnesses watch small silver disc rapidly to the south, two more follow at two minutes intervals.

29 December 1957 15:00 - Kaikohe, New Zealand -   Silver disc flies to the south. Second disc appears and passes first.

31 December 1957 07:50 - Trindade Island, Atlantic -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, the size of the moon, was observed by eight male experienced witnesses on the ocean (Moreira).