11 January 1957 Dusk - Brazil, Indiana, USA -   Photo. Explanation: Coincidenc.

11 January 1957 20:30 - Waubay, South Dakota, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by four witnesses at a lake (Lyon). A noise was heard.

15 January 1957 08:00 - Balfour, New Zealand -   An oval, fluorescent craft, about 40 meters in diameter

22 January 1957 20:10 - Mansfield Rock Hill, UK -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. Three objects were observed by one experienced male witness (Charles).

27 January 1957 19:59 - Glendora, California , USA -   Flying discs were observed. Two amber discs were observed by three witnesses (Childers). A noise was heard.

In February 1957 - Redding Hwy53, Connecticut, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range on a highway (Salter).

9 February 1957 22:00 - Georgetown, Connecticut, USA -   A cigar-shaped object about five meters long, showing several portholes, hovering close to the ground

14 February 1957 03:14 - Pasadena, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by several witnesses (Wells).

6 March 1957 14:00 - Great Meadows W, New Jersey, USA -   Shooting Preserve Owner incident.

8 March 1957 21:45 - Pasadena, Texas, USA -   Tennessee Gas Company DC-3 incident.

8 March 1957 23:00 - Baudette, Minnesota, USA -   A pilot saw a circular object flying against the wind.

9 March 1957 03:33 - Jacksonville, Fl, Atlantic -   8 reports of same UFO. Explanation: Meteor.

10 March 1957 - Houston Dc3, Texas, USA -   An object was observed from a car. One object was observed by one experienced male witness (Hancock).

23 March 1957 18:00 - Puyallup, Washington, USA -   Huge fireball rises up from behind barn. two strong beams of light. Rises vertically, then rapidly to the north. Explanation: Meteor.

24 March 1957 02:47 - Oxnard, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two male witnesses at an airfield briefly (Atkinson).

In late March 1957 - Blaisdell Ne10M, North Dakota, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 5 feet across, was observed (Schneider).

27 March 1957 20:40 - Roswell, New Mexico, USA -   USAF C-45 incident. Explanation: Aircraft.

In April 1957 - Kolobrzeg, Poland -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 20 feet across, was observed by numerous military witnesses on the ocean.

In Spring 1957 - Oakland, New Jersey, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An object was observed at close range by a female witness (Ahlers, J).

7 April 1957 23:30 - New Plymouth, New Zealand -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One cigar-shaped object was observed by two witnesses at an airport for over one minute.

19 April 1957 23:52 - Izu Trench, Pacific -   Kitsukawara Maru incident.

22 April 1957 13:00 - Palalda, France -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft.

7 May 1957 - Dixie Lee Junction, Tennessee, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range.

9 May 1957 - Parkland, Washington, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An object was observed at close range by a male witness at a military facility (Fletcher).

21 May 1957 08:25 - Ventura, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by several witnesses at a building for over 23 minutes (Ferris).

21 May 1957 16:40 - Knoxville, Tennessee, USA -   Metallic ovoid to the northwest overhead, making noise. Hovers in silence. Possible landing in trees.

24 May 1957 19:45 - Cincinnati, Ohio, USA -   Silver sphere seen during AF maneuvers. Jets chase, shoots rapidly to the west, then comes back rapidly to the east. 25,000 feet altitude.

27 May 1957 01:00 - St Andre-Treize-Voies, France -   Luminous white disc on ground. Takes off with whirring sound. Grass crushed.

In June 1957 Around 0600 - Goteborg, Sweden -   A flying disc was observed. One disc, about 20 feet across, was observed in clear weather by one experienced male witness in a yard for over three minutes (Gullmare).

18 June 1957 - in Pacific 150 miles west of, California, USA -   Objects were observed from a car. Three objects were observed by several male experienced witnesses on the ocean (Wertz).

18 June 1957 Around 2000 - in the ocean 150 miles west of San Fransisco, California, USA -   Objects were observed from a car. Three objects were observed by several male experienced witnesses on the ocean.

21 June 1957 17:30 - Capel, UK -   Shot straight up.

25 June 1957 01:00 - Cherbourg, France -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed on the shore.

25 June 1957 23:00 - Greencastle Hwy234, Indiana, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One light was observed by four male witnesses on a highway (Bennett, G).

29 June 1957 11:03 - Feldbach, Switzerland -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One green ball was observed by one witness.

In July 1957 - Antarctic Ocean, Antarctica -   Objects were observed from a car. A group of objects was observed by a male military witness on the ocean (Orrego).

In July 1957 10:30 - San Giustino Cospaia, Italy -   Black silent 2.5m long cigar with port flies 4m over children, slows, speeds up.

In Mid- 1957 Around 1700 - Wroclaw, Poland -   Instrumented observation

30 June 1957 18:30 - Belo Horizonte, Brazil -   DC-3 incident.

4 July 1957 22:00 - Campos, Brazil -   Real Airlines incident.

7 July 1957 - Belo Horizonte, Brazil -   (Ambiguous location - more than one place with this name).

13 July 1957 23:00 - Las Cruces, New Mexico, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range for two hours (Weiss). Explanation: Psych.

16 July 1957 20:30 - Katoomba, New South Wales, Australia -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by three witnesses at a mountain for over six minutes (Hickey). A noise was heard.

17 July 1957 04:10 - La Mesa, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one female witness, an experienced observor (Carroll). A noise was heard.

18 July 1957 Dusk - Paris, Illinois, USA -   Objects were observed from a car. Two objects were observed by numerous male witnesses at a building (Mathes).

22 July 1957 22:15 - Amarillo, Texas, USA -   TWA incident. Explanation: Aircraft.

23 July 1957 05:15 - Blairstown, New Jersey, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one witness for two minutes (Drago).

In August 1957 01:05 - Livada-Somes, Romania -   A hovering object was observed. One object was observed by two witnesses on a river for two minutes.

14 August 1957 02:30 - Foresthill, California , USA -   An object was observed. Animal reactions to the object were reported. One object was observed by one male witness (Engler).

14 August 1957 07:00 - White Pond, New Jersey, USA -   Hairdresser incident.

In mid-August 1957 Around 1500 - Detroit N150M Hwy30, Michigan, USA -   A hovering object was observed. One object, about 80 feet across, was observed in clear weather by more than one male witness, one of them an experienced observor, in a forest for six seconds (Manning).

18 August 1957 21:00 - Shelbyville, Indiana, USA -   3m long ovoid rises 30m over cornfield, lites on rim, clanking noise.

20 August 1957 10:00 - -   An object was observed and photographed. Animal reactions to the object were reported. One object, about 20 feet across, was observed by one male 60-year-old witness.

20 August 1957 10:30 - Carora Sw, Venezuela -   Ten small discs orbit huge disc, one lands, zig-zag maneuvers.

22 August 1957 19:19 - Whittier, California , USA -   Fog or smoke. 6 domed discs join and circle in pairs. Each pair puffs smoke. Explanation: Aircraft.

30 August 1957 - East Thermopolis, Wyoming, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by 12 female witnesses in a yard (Wertz).

In September 1957 - Mount Etna, Italy -   An object was observed using optical instruments. One object was observed by one experienced male witness for 20 minutes (Wilkins).

31 August 1957 13:00 - East Thermopolis, Wyoming, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One blue round object was observed (Matthews). No sound was heard.

4 September 1957 24:00 - Porthcawl, UK -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, twice the size of the moon, was observed by two male witnesses (as reported to the police) on the ocean.

10 September 1957 19:15 - St Paul, Minnesota, USA -   Three UFO's saucer-shaped with flashing lights landed in field next to me, when I approached they took off with great speed.

11 September 1957 Morning - Mount Etna, Italy -   Instrumented observation

In mid-September 1957 After 2000 - Quillan Dist, France -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. Two objects were observed by several male experienced witnesses on a farm (Cyrus).

29 September 1957 05:00 - Deerwood, Maryland, USA -   Undocumented report of a landing observed by missile men.

30 September 1957 - Kingston, Ohio, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range.

5 October 1957 23:00 - Sao Francisco De Sales, Brazil -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two male witnesses, typical age 23, in a yard for several minutes (Villas-Boas).

10 October 1957 13:30 - Tularosa N H54, New Mexico, USA -   Photo

22 October 1957 22:00 - Praia Grande, Brazil -   UFO on ground near beach. Illuminates area with beams. rapidly to the east, ascends vertically very fast.

30 October 1957 22:30 - Oka, Quebec, Canada -   1.5m disc, spins, up-down motion, paces woman on bicycle at 3m altitude. Independent witnesses.

30 October 1957 23:15 - Tarragona, Spain -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range. Explanation: Hoax.

30 October 1957 23:50 - Morez Sw D69, France -   Object on railroad tracks, takes off and flies away. Silent, very fast.

In November 1957 - San Juan De Aragon, Mexico -   Disc lands on community farm, witnessed by farmer.

In November 1957 - Meyersdale, Pennsylvania, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 150 feet across, was observed by two witnesses, a married couple, in a yard (Williams).

In November 1957 - Alice Springs, Northern Territory, Australia -   RAF team has 15 minute close encounter with UFO.

31 October 1957 00:00 - Longchaumois, France -   A large, lighted object with openings

In Late 1957 Around 0800 - West Palm Beach, Florida, USA -   An object was observed from a car. One object, about 40 feet across, was observed by one experienced male witness (Douglas).

2 November 1957 16:00 - Maralinga, South Australia, Australia -   RAF Corporal incident.

3 November 1957 22:55 - San Angelo, Texas, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one experienced male military witness at an airfield (Waddell).

5 November 1957 02:30 - Dixon, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

5 November 1957 17:30 - Scotia, Nebraska, USA -   4 reports of same UFO. Balloon-like, elongated object coming to ground level, with o touching down. Explanation: Hoax.

5 November 1957 18:12 - Wabash Nw8M, Indiana, USA -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. More than one object was observed by two witnesses, a married couple, in a yard for over one minute (Weesner, J). A noise was heard.

6 November 1957 06:30 - Columbus, Ohio, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 40 feet across, was observed by one female witness. Explanation: Aircraft.

6 November 1957 13:00 - Atlanta, Georgia, USA -   An object was sighted by multiple independent witnesses that had an appearance and aerobatic performance beyond the capability of known earthly aircraft. One object was observed by five female witnesses briefly (Rudder).

6 November 1957 15:00 - Stanton, Minnesota, USA -   White bowl-shaped domed disc follows car to farm. Had yellow-green glow. Ascends. News coverage.

6 November 1957 18:00 - Boerne, Texas, USA -   Oval object, about 15 feet long, bright orange

6 November 1957 19:30 - Edwards Afb (Muroc Afb), California , USA -   USAF MP incident.

6 November 1957 21:43 - Baltimore, Maryland, USA -   RCA incident.

7 November 1957 12:00 - Dunn, North Carolina, USA -   Sonic boom; lampshade-shaped UFO shot straight up

7 November 1957 20:40 - Lansford, Pennsylvania, USA -   An object was observed from a car. One ovoid object was observed by eight female teenage witnesses at a school for a few minutes (Beers).

7 November 1957 22:40 - Waiuku, New Zealand -   Ovoid object over road, dives and circles lake slowly at low altitude, then follows coastline.

8 November 1957 02:00 - Sloansville, New York, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 150 feet across, was observed by one witness.

8 November 1957 02:00 - Sloanville, New York, USA -   A cigar-shaped object 70 meters long was observed less than seven meters above ground.

8 November 1957 14:55 - Au Sable Forks, New York, USA -   An object was observed from a car. One object was observed.

8 November 1957 17:00 - Edinburgh, UK -   A disk-shaped object followed a truck

14 November 1957 02:30 - Pulaski, Wisconsin, USA -   An object was observed. Animal reactions to the object were reported. An unidentifiable object was observed at close range on a farm.

16 November 1957 22:30 - Bage, Brazil -   Red-yellow object with blinding glow lands in park. Rises up, maneuvers, lands again.

17 November 1957 21:40 - Coraopolis, Pennsylvania, USA -   Metallic disc, 8m diameter, at tree top level 80m away, near airport.

20 November 1957 22:20 - McMinnville, Tennessee, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

23 November 1957 18:30 - Tiro, Ohio, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

25 November 1957 14:30 - Ugines, France -   A nearly spherical object at ground level, performing zigzags on the road.

29 November 1957 17:10 - Glencoe N2M Hwy80, Ontario, Canada -   18cm diameter luminous ball circles very low over road, clears fence.

29 November 1957 17:30 - Kahlotus, Washington, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by two witnesses, a married couple, at a mountain (Bell). Explanation: Planet.

In 1958 - Katoomba, New South Wales, Australia -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by over 100 witnesses (Walford).

In 1958 - Brazil -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed (Goncalves).

In 1958 - Kelheim, Germany -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

In 1958 - Oklahoma, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by more than two male witnesses, one of them an experienced observor (Foster). Explanation: Re-entry.

In 1958 07:30 - Peterlee, UK -   A flying disc was observed. One disc, twice the size of the moon, was observed by two single male witnesses for 18 seconds (Park). A noise was heard.

In 1958 20:00 - Ormskirk, UK -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, twice the size of the moon, was observed by one male witness for ten minutes (Barton).

In 1958 Around 2300 - Woodstock, New York, USA -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. Three objects were observed by two female witnesses on a farm for five minutes.

1 December 1957 03:00 - Silver Lake, Ohio, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One cone-shaped object was observed at a lake.

2 December 1957 02:30 - Detroit Lakes, Minnesota, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed by one witness.

4 December 1957 - Tampa, Florida, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentifiable object was observed at close range (Brady). Explanation: Hoax.

8 December 1957 16:00 - Svea, Minnesota, USA -   10m diameter red disc roars, flies at 6m altitude. Lights up ground, moves through woods, then ascends, rapidly to the west.

8 December 1957 17:30 - Nw, Japan -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentified object at close range was observed by three witnesses for over three minutes.

10 December 1957 22:00 - Barra do Pirai, Brazil -   10m diameter luminous disc low over roadway. Shoots away extremely fast as truck turns on headlights.

11 December 1957 16:00 - Ellsworth, Wisconsin, USA -   A silent, reddish, glowing disk, about 15 meters in diameter.

11 December 1957 Night - Mexico City, Mexico -   An object was observed from a car. Multiple independent witnesses. One object was observed by ten experienced witnesses (Valle).

21 December 1957 18:30 - Ponta Pora, Brazil -   Remnant trace

21 December 1957 18:30 - Ponte Poran, Brazil -   Two spherical objects, five meters in diameter, shaped like a sphere surrounded by a flat ring, chased a car for two hour.

In late December 1957 Night - Shotesham, UK -   An object was observed. It buzzed a witness. One object was observed by two male witnesses on a highway (Davy).

27 December 1957 22:00 - Evans City, Pennsylvania, USA -   Yellow sphere maneuvers about in trees at 12m altitude, zig-zags.