6 January 1957 - Rissington, New Zealand -   Physiological effects.

16 January 1957 20:00 - Fort Worth Nw, Texas, USA -   B-25 Pilots/Crew incident.

16 January 1957 20:00 - Lubbock, Texas, USA -   USAF crews of two B-25's saw a round white object make rapid maneuvers, effects on radio and compass.

21 January 1957 - Milan, Iowa, 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 and caused physical effects.

25 January 1957 - Knoxville, 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 and caused physical effects.

6 March 1957 14:00 - Great Meadows-Hope, New Jersey, USA -   White derby-hat-shaped object hovering low over a field

9 March 1957 20:00 - Baudette, Tx, Minnesota, USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

15 March 1957 - New Orleans, Louisiana, USA -   Trace remnants

20 March 1957 20:45 - Charlotte, North Carolina, USA -   Objects were observed. Traces found. Five objects were observed by two witnesses, a married couple, for five minutes (Brown).

31 March 1957 - Kent, UK -   An object was observed. Electromagnetic effects were noted. One object was observed.

April or May 1957 - Moriah Center, New York, USA -   Red disc creates television interference

10 April 1957 04:45 - Temple City, California , USA -   An object was observed. Men in black later interviewed witnesses. Traces found. One object was observed by three witnesses in a yard (Murphy).

12 April 1957 08:00 - Figanieres, France -   Electromagnetic effect: car stalls. Odd cone-shaped UFO descends to side of highway N562. Vegetation at site dead.

14 April 1957 15:00 - Vins-sur-Caramy, France -   Five foot x three foot, metallic top-shaped object, seen by multiple witnesses jumping across road. Explanation: Hoax.

19 April 1957 - Maiquetia, Venezuela -   Airliner sights UFO

In May 1957 04:50 - Winkleigh, UK -   Physiological effects.

In early May 1957 04:50 - Winkleigh Apt, UK -   An object was observed. Electromagnetic effects were noted. Traces found. One object, about 80 feet across, was observed in clear weather by two witnesses at an airport for ten minutes (Payne).

In early May 1957 Morning - Everglades, Florida, USA -   Physiological effects. Explanation: Hoax.

31 May 1957 - Kent, UK -   Airliner suffered radio failure during UFO sighting.

31 May 1957 07:17 - Kent, UK -   BEA incident.

31 May 1957 07:20 - Rochester S2M, UK -   British Airliner incident.

1957 June 22:30 - Warrensburg, Montana, USA -   Senior state highway designer, wife, and mother-in-law have a close encounter with an object on a highway in open country

In June 1957 After 2300 - Warrensburg, Missouri, USA -   An object was observed from a car. Electromagnetic effects were noted. One object was observed by three male witnesses, typical age 27 (O'Brien).

5 June 1957 22:30 - Warrensburg N Hwy13, Missouri, USA -   Electromagnetic effect: watch, Radio frequency interference. Orange ball paces car, small blue lights exit and go all directions. Watch and radio EM.

25 June 1957 - Baltimore, Maryland, USA -   Objects were observed. Electromagnetic effects were noted. Seven red saucers were observed.

22 July 1957 - Lake Tahoe, California , USA -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. An unidentified object at close range (with physical effects) was observed by two female witnesses at a lake (Zunino).

30 July 1957 - Galt,, Canada -   A circular object landed.

10 August 1957 - Cape Canaveral, Florida, USA -   Atlas ICBM incident.

14 August 1957 - Joinville, Brazil -   Airliner cabin lights dimmed and engine sputtered during UFO sighting

14 August 1957 20:55 - C47, Brazil -   Varig incident.

14 August 1957 22:30 - Preston, Ontario, Canada -   Bright fiery circular object follows teenage girls, moves away and back. Physiological effects: eye conjunctivitis.

18 August 1957 Afternoon - -   A flying disc was observed and photographed. It moved with a falling-leaf motion. One disc was observed by one male 60-year-old witness on a farm.

21 August 1957 18:15 - Parana, Argentina -   An object was observed. Traces found. One object was observed.

22 August 1957 15:40 - Cecil NAS, Florida, USA -   Car chased a 15 meters black, bell shaped object. Explanation: Aircraft.

28 August 1957 03:00 - Nazare, Portugal -   Teenage couple on beach saw UFO low over shore. 5 m. from ground, 100 m. away. Circular shape with small tower and curved window. Shot green-yellow beam to ground. Plants and stones vanished four square m.

1 September 1957 Night - Le Mars, Iowa, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by two witnesses, a married couple.

10 September 1957 - Ubatuba, Brazil -   A disk dove down and exploded, showering the area with flaming fragments.

14 September 1957 - Ubatuba, Arg, Brazil -   An object was observed before it exploded. Traces found. One object was observed. Explanation: EM.

14 September 1957 - Ubatuba, Brazil -   Ubatuba Incident: A UFO reportedly exploded offshore and fragments fell to earth. Analysis of the fragments indicated unusual composition.

16 September 1957 09:30 - Smithfield, South Australia, Australia -   A red light changing to green, spreading around like a mist and covering an area about 100 meters diameter.

16 September 1957 19:30 - Smithfield, Queensland, Australia -   Physiological effects.

19 September 1957 18:40 - Point Pleasant, New Jersey, USA -   An object was observed. Ground traces were found. One flying wing was observed by one witness on the shore for over 25 minutes (Connell). Explanation: Prank.

In Fall 1957 - Brazil -   An object was observed. Traces found. An unidentifiable object was observed at close range and caused physical effects.

In October 1957 - Niquelandia, Brazil -   Physiological effects.

In October 1957 - Los Angeles, California , USA -   An object was observed. Traces found. One object was observed (Brown). Explanation: Hoax.

Oct 1957 - Niquelandia, Brazil -   Farmers were blinded by a beam from a round object at ground level.

3 October 1957 17:00 - Rue, France -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

4 October 1957 11:45 - Ichinoseki, Japan -   Angel hair residue

5 October 1957 17:00 - Lagrasse, France -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object, about 10 feet across, was observed.

15 October 1957 15:00 - Covington, Indiana, USA -   Electromagnetic effect: engine. Farmer watched silver disc hover above his tractor. The engine failed when the object rose.

25 October 1957 23:00 - Loubressac Sw, France -   Domed disc landed, witness paralyzed. Car re-starts spontaneously after UFO leaves. Made no sound.

29 October 1957 22:30 - Selma, Alabama, USA -   USAF Captain incident.

In November 1957 - Tennessee, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

In November 1957 - Brasil, Brazil -   Physiological effects.

In November 1957 - Irish Sea, Ireland -   An object was observed. Traces found. One object was observed by numerous witnesses on the ocean (Ella Hewitt).

In November 1957 - Ohio, USA -   Death

In November 1957 07:45 - Lake Charles, Louisiana, USA -   An object was observed. Electromagnetic effects were noted. One silver disc, about 20 feet across, around 300 feet away, was observed by one witness for over three minutes (Lain).

31 October 1957 20:00 - Lumberton, North Carolina, USA -   Car engine failed as UFO was observed.

In Late 1957 Night - Martinsville Hwy44, Indiana, USA -   An object was observed. Electromagnetic effects were noted. One object was observed in clear weather by three witnesses (Kivett).

Nov 1957 23:00 - Provencal, Louisiana, USA -   Object, described as oval, five meters long, three meters high, army green in color, set a truck on fire. It bore lettering beginning with the letters UN.

2 November 1957 - Las Cruces, New Mexico, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

2 November 1957 03:30 - Canadian, Texas, USA -   Submarine-shaped object, humanoid, vehicle affected

2 November 1957 Evening - Waco, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object, about 300 feet across, was observed by one experienced male witness on a highway (Long).

2 November 1957 20:30 - Seminole, Nm, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by one witness.

2 November 1957 21:30 - Levelland, Texas, USA -   Levelland case. Over a four hour period, 15 separate witnesses saw enormous, luminous, egg-shaped UFOs straddling the road at different locations near the town. In nine cases car electrical systems failed. Explanation: electromagnetic phenomenon.

2 November 1957 Night - Army Camp, Texas, USA -   A flying disc was observed. Electromagnetic effects were noted. One disc was observed by military witnesses at a military facility.

3 November 1957 - Springfield, Illinois, USA -   An object was observed. Electromagnetic effects were noted. One object was observed.

3 November 1957 - Ararangua, Brazil -   Airliner direction finder and transmitter - receiver burnt during UFO sighting

3 November 1957 - Calgary, Alberta, Canada -   Car motor missed, headlights flickered as UFO arced overhead

3 November 1957 03:00 - White Sands, New Mexico, USA -   MP incident, taped radio report. Explanation: Moon.

3 November 1957 18:00 - Scotia, Nebraska, USA -   Physiological effects. UFO at low altitude emitted humming noise. Witness temporarily paralyzed, strong odor of "fumes" in air.

3 November 1957 19:00 - Sibbald, Alberta, Canada -   Engine missed when UFO flew over.

4 November 1957 - Toronto, Ontario, Canada -   An object was observed. Electromagnetic effects were noted. One object was observed.

4 November 1957 - Fort Hood, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object, about 80 feet across, was observed by military witnesses at a military facility for 30 minutes.

4 November 1957 00:10 - Amarillo, Texas, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

4 November 1957 01:20 - Ararangua, Brazil -   Varig C-46 Pilot/Crew incident.

4 November 1957 02:03 - Itaipu Fort, Brazil -   Sentries incident.

4 November 1957 03:12 - Elmwood Park, Illinois, USA -   Hovered.

4 November 1957 03:22 - Elmwood Park, Illinois, USA -   Police and witness chased red-orange cigar-shaped object.

4 November 1957 13:10 - Orogrande, New Mexico, USA -   Stokes Case. Explanation: Hoax.

4 November 1957 19:30 - El Paso, Texas, USA -   Egg shaped object with bluish glow approaching from the southwest. Explanation: Unreliable.

4 November 1957 22:00 - Kodiak, Alaska, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by three experienced male witnesses (as reported to the police) at a building for two minutes (Boucher).

In early November 1957 - Modesto, California , USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

In early November 1957 - Tennessee, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

5 November 1957 04:50 - South Springfield, Ohio, USA -   An object was observed. Electromagnetic effects were noted. One blue light was observed (Glenn). Explanation: Reflection.

5 November 1957 Morning - Philadelphia, Pennsylvania, USA -   An object was observed. Electromagnetic effects were noted. One disc was observed by one male witness in a city (Milkman).

5 November 1957 15:10 - Fort Oglethorpe, Georgia, USA -   An object was observed. Electromagnetic effects were noted. One orange ball was observed. Explanation: Aircraft.

5 November 1957 19:00 - Hedley, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object was observed.

5 November 1957 19:00 - Ringwood, Illinois, USA -   Police incident.

5 November 1957 19:30 - Hobbs, New Mexico, USA -   An object was observed. Electromagnetic effects were noted. Multiple independent witnesses. One light was observed by more than two witnesses on a highway.

5 November 1957 21:00 - Casper, Wyoming, USA -   An object was observed. Electromagnetic effects were noted. One ball was observed by two female witnesses on the prairie (Moyer).

5 November 1957 21:30 - San Antonio, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by one witness briefly (Yarborough). Explanation: Meteor.

6 November 1957 - Merom, Indiana, USA -   Physiological effects. Bright UFO hovered over farm, next day farmer suffered from itching, burning face. Hospitalized 11 days before swollen, red skin back to normal.

6 November 1957 - Ottawa N, Ontario, Canada -   A battery powered shortwave radio failed, then a single-tone signal was heard on one frequency as UFO flew over.

6 November 1957 - Philadelphia, Pennsylvania, USA -   UFO follows moving van on Schuylkill Expressway.

6 November 1957 - Montville, Ohio, USA -   Television blurred, automobile pockmarked

6 November 1957 - Ottawa, Ontario, Canada -   Battery radio and portable short wave radio failed, tone signal heard on one short wave frequency. UFO hovering

6 November 1957 - Houston, Texas, USA -   Car motor stalled, radio blanked with static, during UFO sighting

6 November 1957 00:10 - Santa Fe, New Mexico, USA -   Car motor failed, car clock and wristwatch stopped as UFO passed low over car

6 November 1957 01:00 - Danbury, Connecticut, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects (Hahn; Morzenski).

6 November 1957 04:30 - Pell City Ne10M, Alabama, USA -   200m disc hovers 60m altitude, electromagnetic effects, ground burnt.

6 November 1957 04:30 - Houston, Texas, USA -   An object was observed. Electromagnetic effects were noted. One object, the size of the moon, was observed by one witness for 18 seconds.

6 November 1957 04:50 - Springfield, Ohio, USA -   Electromagnetic effect: two cars stall at same time. Blue Nocturnal light in sky for 10 seconds. Explanation: Meteor.

6 November 1957 13:10 - Alamogordo, New Mexico, USA -   Engineer incident.

6 November 1957 17:00 - Plattsburgh, New York, USA -   An object was observed. Electromagnetic effects were noted. One silver ball was observed at an airfield.

6 November 1957 17:00 - Schroon Lake, New York, USA -   An object was observed. Electromagnetic effects were noted. One silver ball was observed at a lake.

6 November 1957 18:00 - Danville, Illinois, USA -   Electromagnetic effect: 2-way radio failed. State police officers chased brilliant white nocturnal light, which changed color to amber, then to orange.

6 November 1957 20:00 - Merom, Indiana, USA -   Physiological effects. two object maneuvered, made whirring noise. Witness suffered facial burns; medical treatment required.

6 November 1957 20:00 - Roscoe S, Illinois, USA -   An object was observed. Electromagnetic effects were noted. One red object was observed for 20 minutes.

6 November 1957 21:00 - Lake Baskatong, Quebec, Canada -   Brilliant sphere observed for 15 minutes hovering, seen through binoculars. Short wave radio receiver blocked on all but one wave-length. Received strong modulated signal.

6 November 1957 21:00 - Baskatong Lake, Canada -   A bright, yellowish-white sphere hovering over a hilltop.

6 November 1957 Night - Otero County Hwy24, New Mexico, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

6 November 1957 23:30 - Montville, Ohio, USA -   Object like a bright meteor split into two pieces, Olden Moore Case. Explanation: Meteor.

7 November 1957 - Montville, Ohio, USA -   An object was observed. Electromagnetic effects were noted. Radioactivity was detected. One object was observed (Kovats). Explanation: Aircraft.

7 November 1957 09:20 - Orogrande, New Mexico, USA -   Car speedometer behaved wildly while UFO then sighted. Explanation: Aircraft.

9 November 1957 01:00 - Lake City, Missouri, USA -   A man driving his car home from work saw a hovering object 50 feet long. His car engine died as he neared UFOs position. It started again only after object's departure.

9 November 1957 01:00 - Lake City, Missouri, USA -   Man saw object 50 ft long. Car engine died.

9 November 1957 01:30 - Hillsborough, California , USA -   An object was observed. Traces found. One object was observed by several witnesses in a yard (Jacobsen).

9 November 1957 19:15 - Carrizozo Hwy54, New Mexico, USA -   An object was observed. Electromagnetic effects were noted. Multiple independent witnesses. One star was observed by two witnesses in a desert (Lorenzen).

9 November 1957 19:15 - White Sands, New Mexico, USA -   An object was observed. Electromagnetic effects were noted. Multiple independent witnesses. One object was observed by three witnesses (Lorenzen).

9 November 1957 21:10 - Bedford, Indiana, USA -   UFO seen, car stalls, man's head covered with burns following encounter..

10 November 1957 - Hammond, Indiana, USA -   Loud beeping caused radio interference as police chased UFO. TV blackout in city, motorist reported radio failure

10 November 1957 01:25 - Madison, Ohio, USA -   A very large, lighted object 20 meters above ground.

10 November 1957 19:00 - Hammond, Indiana, USA -   Television interference.

12 November 1957 - Hazelton, Pennsylvania, USA -   TV disrupted as UFO seen

12 November 1957 22:20 - Rumney, New Hampshire, USA -   An object was observed. Electromagnetic effects were noted. One ball was observed by one witness.

13 November 1957 09:10 - Crownsville, Maryland, USA -   UFO explodes over State Hospital, fragments analyzed by USAF. Explanation: Meteor.

14 November 1957 - Hazleton, Pennsylvania, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by one witness.

14 November 1957 13:00 - Tamaroa, Illinois, USA -   Power failed for ten minutes in a four mile area, just after hovering UFO flashed

14 November 1957 Evening - Jamara, Illinois, USA -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

15 November 1957 - Cachoeira, Brazil -   Several car motors failed as drivers attempted to approach UFO hovering low above ground

15 November 1957 14:00 - Cachoeira, Brazil -   Cars stall when they attempt to approach 200 feet diameter metallic UFO hovering 300 feet over aerodome.

16 November 1957 01:30 - Denton E, Nebraska, USA -   Red light blinks, white nocturnal lights pace car, paralysis, lights hover over field.

17 November 1957 - Tiffin, Ohio, USA -   An object was observed. Traces found. An unidentifiable object was observed at close range and caused physical effects (Lutz). Explanation: Hoax.

18 November 1957 - Bayeux, France -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

23 November 1957 - Espigao.Toca, Brazil -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. Six objects were observed by six witnesses.

23 November 1957 06:10 - Tonopah W30M, Nevada, USA -   USAF pilot drove through Nevada desert, engine failure. Heard high-pitched whine, looked to right, saw four large Saturn-shaped craft resting on ground 400m away. He walked up to 50 feet then UFOs rose up. Explanation: Psych.

23 November 1957 06:10 - Tonopah, Nevada, USA -   Car engine stalled near four landed 50-foot saucer-shaped UFO's

25 November 1957 - Moji-Mirim, Brazil -   All city lights failed as three UFOs passed overhead

25 November 1957 Night - Mogi Mirim, Brazil -   All lights failed in city as UFO flew overhead.

27 November 1957 - Middletown, Ohio, USA -   An object was observed. Traces found. An unidentifiable object was observed at close range and caused physical effects (Shipley). Explanation: Hoax.

29 November 1957 20:30 - Hakalau, Hawaii, USA -   Physiological effects.

In 1958 - Stockholm, Sweden -   An object was observed. Electromagnetic effects were noted. Telepathic phenomena were said to have occurred. Traces found. One object was observed by two witnesses (Ekberg).

In 1958 Evening - Epping, UK -   Ground marks, remnant traces.

In 1958 Night - Bragado 40K, Argentina -   Disc with searchlight on upper part, vivid white, loud engine noise, not touching ground. Grass was calcined.

Late 1950's Night - Brown Mountain, North Carolina, USA -   Physiological effects.

1 December 1957 - Ann Arbor, Michigan, 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 and caused physical effects. Explanation: Aurora.

3 December 1957 - Cobalt, Ontario, Canada -   Radio static as several UFOs seen over area

3 December 1957 19:00 - Ellensburg, Washington, USA -   Truck engine electromagnetic effect, missed but did not stall.

7 December 1957 - Dallas, Texas, USA -   Electromagnetic and physiological effects were noted. A witness later died. Traces found. Three objects, about 150 feet across, were observed by one experienced male witness on a highway.

8 December 1957 17:50 - Woodward, Oklahoma, USA -   A flying object took complete control of a car with three passengers.

8 December 1957 21:00 - Soap Lake N Sr17, Washington, USA -   Electromagnetic effect: engine and headlights failed on two cars, but inside dome lights came on although not turned on.

10 December 1957 13:00 - Jabuticabal, Brazil -   4m long "watermelon" landed in field 20m away from farmer. Grass crushed.

11 December 1957 - Chestnut, Louisiana, USA -   An object compared to the rising sun

18 December 1957 - Sarasota, Florida, USA -   Radio frequency effect: television interference.

In Early 1958 - Nachitoches, Mississippi, USA -   An object was observed. Electromagnetic effects were noted. Traces found. One object, about 20 feet across, was observed by one experienced male witness (Raper).

In January 1958 - Manomet, Massachusetts, USA -   Physiological effects.

Jan 1958 01:30 - Depew, New York, USA -   A lady who was driving on the New York State Thruway during a snow storm saw a large shape with a tall, luminous pole on the side of the road.