1 January 1958 07:50 - Trindade Island, Atlantic -   Photo.Brilliant light makes 90 degree turn, shoots away.

3 January 1958 16:00 - Diamond Head, Hawaii, USA -   Nuclear Physics Student incident.

7 January 1958 Around 1400 - Pine Point, South Australia, Australia -   Three men heard a loud explosion, saw an object like a star moving across the sky.

10 January 1958 14:20 - Tabor City, North Carolina, USA -   An object, later identified as the planet Venus, was observed. One object was observed by a male witness for over 15 minutes. Explanation: Venus.

11 January 1958 Afternoon - Gelsenkirchen, Germany -   A daytime disc was reported.

12 January 1958 - Rochester, New York, USA -   A daylight disc was observed by a male witness (Ciurca).

12 January 1958 Afternoon - Houston, Texas, USA -   One object was observed (Johnson). Explanation: Flare.

16 January 1958 - Trindade Island, Brazil -   Barauna Photos: Saturn-shaped object maneuvering over Trindade Island

16 January 1958 02:30 - Villa Velha, Brazil -   Doctor incident.

21 January 1958 16:00 - Tumacacori Mtns, Arizona , USA -   Two white, silent, hat-shaped saucers move to the southwest, flip over, sawtooth trajectory, enter cloud.

22 January 1958 13:00 - Wimberley, Texas, USA -   Two luminous objects skip about and play tag in the sky.

24 January 1958 Morning - Skive, Denmark -   A daytime disc was reported (Soby).

24 January 1958 Afternoon - Gand, Belgium -   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 (Van Hoecke).

27 January 1958 09:30 - Soby, Denmark -   Three silver objects fly rapidly to the west northwest, then three more appear, one drops a bubble which bursts.

2 February 1958 06:36 - Albuquerque, New Mexico, USA -   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 in clear weather by one experienced male witness for six seconds (Corson).

10 February 1958 - Calgary, Alberta, Canada -   A daytime disc was reported (Clark).

21 February 1958 - Trinidade Island -   Photo

9 March 1958 16:30 - London, UK -   Cloud cigar. Explanation: Cloud.

14 March 1958 08:45 - Healdsburg, California, USA -   Three-foot round, black object.

In Spring 1958 - Kemah, Texas, USA -   A daylight disc was observed by a female witness on the shore (Herren).

In April 1958 - Philadelphia, Pennsylvania, USA -   A daylight disc was observed by a male witness (Brickner).

In Spring 1958 Before 1100 - Hlynsk, Russia -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed in clear weather by one witness (Okladney).

In Spring 1958 Daytime - Tucson, Arizona , USA -   A daytime disc was reported.

1 April 1958 09:50 - Alborg Afb, Denmark -   Airmen incident.

7 April 1958 21:30 - Port Kembla, New South Wales, Australia -   Photo

10 April 1958 12:45 - Pecos W5M, Texas, USA -   One object was observed for five minutes (Wilson).

14 April 1958 03:15 - Uruguay -   One object was observed.

14 April 1958 12:20 - Lynchburg, Virginia, USA -   Pilot saw grey-black rectangular object rotate very slowly

14 April 1958 13:00 - Hot Springs, Arkansas, USA -   More than one object was observed for two minutes.

15 April 1958 13:30 - Passo Fundo, Brazil -   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. Explanation: Re-entry.

19 April 1958 13:45 - Hodnet, UK -   A meteor-like object was observed. One object, the size of the moon, was observed by one male witness for 30 seconds (Longford). Explanation: Flare.

19 April 1958 14:28 - Conway, New Hampshire, USA -   Photo, evaluated as balloon. Explanation: Balloon.

19 April 1958 18:30 - Syracuse, New York, USA -   Photo, evaluated as balloon. Explanation: Balloon.

23 April 1958 11:39 - Pelham, Georgia, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. Explanation: Balloon.

4 May 1958 13:30 - Uruguay -   One object was observed by ten witnesses for five minutes.

9 May 1958 13:05 - Bohol Island, Philippines -   Philippines Airline incident.

11 May 1958 12:00 - Arizona, Argentina -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for two minutes.

15 May 1958 - Caracas, Venezuela -   Venezuelan Air Force incident.

19 May 1958 13:30 - Caracas, Venezuela -   Procession of objects.

22 May 1958 14:00 - Nogales S, Arizona , USA -   A meteor-like object was observed. One object was observed (Ruiz). Explanation: Meteor.

23 May 1958 11:00 - Balneario Solis, Uruguay -   A daytime disc was reported.

24 May 1958 11:00 - Balneario Solis, Uruguay -   A daytime disc was reported.

25 May 1958 11:00 - Balneario Solis, Uruguay -   A daytime disc was reported.

25 May 1958 15:30 - Kirchberg, Germany -   One object was observed by two witnesses.

25 May 1958 16:20 - Uruguay -   One object was observed.

In June 1958 Afternoon - Tamajon, Spain -   A daytime disc was reported.

In June 1958 18:30 - New Ulm, Minnesota, USA -   Landscape Architect incident.

1 June 1958 11:50 - Altafjord, Norway -   A triangular object was observed. One delta-shaped object was observed on the ocean for over one minute.

9 June 1958 10:17 - Puget Sound, Washington, USA -   USAF F-102 318th FIS incident. Explanation: Balloon.

9 June 1958 10:17 - Puget Sound, Washington, USA -   Pinkish-whitish cylindrical object with a slight orange tint

20 June 1958 17:07 - Crystal Lake, Illinois, USA -   Pilot Allyn saw a white disc the size of a basketball in straight line flight

21 June 1958 07:20 - Chenxi County, China -   Fog or smoke. 2m diameter orange fireball spins smoke. Makes 120 degree turn near school. Leaves smell of ozone.

23 June 1958 12:20 - England AFB, Louisiana, USA -   Photo. Explanation: Malfunct.

24 June 1958 Afternoon - Mons, Belgium -   A meteor-like object was observed. One object was observed. Explanation: Meteor.

24 June 1958 21:10 - Lessines, Belgium -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed. Explanation: Meteor.

27 June 1958 13:40 - Chaux.Fonds, Switzerland -   Procession of objects.

29 June 1958 13:00 - Grimsby, UK -   A daytime disc was reported.

In July 1958 - Clearwater Bay, Ontario, Canada -   A daytime disc was reported.

In Mid- 1958 Afternoon - Erie, Pennsylvania, USA -   One object was observed by one witness (Didelot).

Mid- 1958 Around 1700 - Atlanta Sw20M, Georgia, USA -   An unidentified object was sighted, that had an unusual appearance or performance. One object was observed by two male military witnesses, typical age 42, at a lake for five minutes (Holton).

7 July 1958 - Timberlake, Maine, USA -   A daytime disc was reported.

7 July 1958 14:30 - Pan de Azucar, Uruguay -   A daytime disc was reported.

7 July 1958 14:33 - Carrasco Aer, Uruguay -   A daytime disc was reported at an airport.

14 July 1958 13:45 - Wulkuraka, Queensland, Australia -   A daytime disc was reported.

14 July 1958 16:30 - Greenwood Lake, New York, USA -   One object was observed at a lake.

16 July 1958 16:00 - Richmansworth, UK -   Class of teenagers watch white, glowing hat-shaped saucer maneuver near dark clouds.

18 July 1958 18:00 - Oklahoma City, Oklahoma, USA -   Unidentified but otherwise conventional objects were sighted. Two objects were observed for over 75 minutes (Hess).

20 July 1958 17:07 - Crystal Lake, Illinois, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One white disc was observed by one witness for six seconds (Allyn). Explanation: Balloon.

20 July 1958 17:07 - Chicago Nw, Crystal Lake, Illinois, USA -   Pilot incident.

22 July 1958 - Grimsby Docks, UK -   Private Pilot incident.

23 July 1958 20:55 - Copenhagen, Denmark -   A daytime disc was reported (Wiehe).

25 July 1958 10:30 - Canelones, Uruguay -   A daytime disc was reported.

26 July 1958 09:45 - Durango, Colorado , USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed by one female witness for 48 seconds (Highland).

30 July 1958 15:00 - Cheltenham, UK -   Hovered. Explanation: Balloon.

In August 1958 - Poland, Poland -   Polish AF incident.

In August 1958 Around 1200 - Chuhuyiv, Kharkiv Region, Ukraine -   A flying disc was observed. One disc was observed in cloudy weather (Lutzkevych).

In August 1958 Daytime - Phoenix, Arizona , USA -   Photo

In August 1958 Afternoon - Central Part, New Jersey, USA -   One object was observed for six seconds (Higgins).

4 August 1958 14:30 - Territet, Switzerland -   A flying disc was observed. One disc was observed by one witness (Bergholz).

8 August 1958 09:30 - Concord, California , USA -   Four objects were observed (Day).

11 August 1958 15:45 - Olean, New York, USA -   One object was observed for 12 seconds (Ring).

12 August 1958 03:30 - Beebeetown, Iowa, USA -   A meteor-like object was observed. One object was observed by a male witness for under one minute. Explanation: Meteor.

17 August 1958 14:00 - Kansas City, Kansas, USA -   One object was observed by one witness.

17 August 1958 19:05 - Warren, Michigan, USA -   Project Blue Book "unidentified" case. When maneuvering seemed shaped like fried egg. Gave impression of huge size at extreme range. Much brighter than Venus, 70 degrees elevation. Flipped, rapidly to the west southwest .

19 August 1958 19:50 - Udine, Italy -   Photo. Explanation: Satellite.

21 August 1958 19:45 - North Bergen E, New Jersey, USA -   Zigzag maneuvers.

22 August 1958 Daytime - Cavaru, Brazil -   A daytime disc was reported.

24 August 1958 Afternoon - Bari, Italy -   A daytime disc was reported.

24 August 1958 18:45 - Brook, Indiana, USA -   A flying disc was observed. One disc was observed by two experienced witnesses (Hermansen).

In late August 1958 After 1200 - Lubeck, Germany -   A daytime disc was reported (Haas).

25 August 1958 18:40 - Svendborg, Denmark -   A daytime disc was reported.

27 August 1958 14:00 - Hillsboro, New Hampshire, USA -   A daytime disc was reported.

28 August 1958 After 1800 - Schorndorf, Germany -   A daytime disc was reported (Schock).

2 September 1958 11:16 - Argentina -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object, about 40 feet across, was observed by one witness.

5 September 1958 07:05 - San Salvador De Jujuy, Argentina -   A daytime disc was reported.

5 September 1958 19:00 - Klagenfurt, Austria -   A daytime disc was reported for over 60 minutes.

5 September 1958 19:00 - Carinthie, Austria -   A daytime disc was reported for over 60 minutes.

8 September 1958 18:30 - Toledo, Ohio, USA -   Photo, evaluated as aircraft. Explanation: Aircraft.

9 September 1958 16:30 - Graz, Austria -   A daytime disc was reported.

13 September 1958 - Victorville, California , USA -   A daytime disc was reported (Constable).

16 September 1958 12:30 - El Portezuelo, Argentina -   Police incident.

18 September 1958 12:36 - Don Torcuato, Argentina -   A daytime disc was reported.

18 September 1958 15:00 - Huerfano Mesa, New Mexico, USA -   Photo. Explanation: Reflection.

20 September 1958 After 1600 - Kettenbach, Germany -   A daytime disc was reported (Kahler).

22 September 1958 15:00 - Uruguay -   Balloon-like object observed. One ball was observed for over ten minutes. Explanation: Balloon.

27 September 1958 12:35 - Don Torcuato, Argentina -   Unidentified objects were sighted, but with appearance and behavior that most likely would have a conventional explanation. Three objects were observed.

27 September 1958 13:30 - Riscle, France -   Cigar-shaped objects were observed. Two cigar-shaped objects were observed for 30 minutes. Explanation: Planet.

In Fall 1958 Daytime - USA -   A daytime disc was reported.

2 October 1958 12:10 - Marseille, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed (St Just).

2 October 1958 17:29 - Stroudsburg, Pennsylvania, USA -   Project Blue Book "unidentified" case. Enormous, first looked like puff of smoke, then "like pickle with a flat bottom. Dull gray color. Went from diaphanous to solid in appearance. Went black momentarily.

3 October 1958 Morning - Danville, Illinois, USA -   More than two objects were observed by one experienced male witness on a railroad.

5 October 1958 16:00 - North Greenfield, Massachusetts, USA -   A daytime disc was reported.

6 October 1958 10:30 - Cliffside Park, New Jersey, USA -   A daytime disc was reported.

6 October 1958 14:30 - Sedlescombe, UK -   A daytime disc was reported (Hamer).

6 October 1958 15:07 - Moulins, France -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed.

7 October 1958 14:45 - Amesbury, Massachusetts, USA -   A daytime disc was reported.

7 October 1958 14:55 - Nantucket Channel, Massachusetts, USA -   Hovered.

11 October 1958 10:00 - Fresno, California , USA -   A daytime disc was reported.

12 October 1958 15:05 - Montevideo, Uruguay -   One object was observed for over 25 minutes.

13 October 1958 15:00 - Vaughn, New Mexico, USA -   Hovered.

14 October 1958 08:30 - Rockford, Michigan, USA -   Balloon-like object observed. One ball was observed for 30 minutes (Radie). Explanation: Balloon.

14 October 1958 10:28 - Carmen de Patagones, Argentina -   A daytime disc was reported.

17 October 1958 After 1900 - White Bear Lake, Minnesota, USA -   Unidentified objects were sighted, that had an unusual appearance or performance. More than two objects were observed by two experienced male witnesses at a lake (Stevens).

18 October 1958 14:30 - Greenfield, Massachusetts, USA -   A flying disc was observed. One disc was observed in cloudy weather by numerous witnesses at a building.

18 October 1958 15:00 - Buenos Aires, Argentina -   Group of discs fly to the northeast, rock, hover, maneuver for one hour then away.

27 October 1958 - Union Dale, Pennsylvania, USA -   Large gray cigar-like object.

29 October 1958 15:30 - Schwarzachtal, Austria -   A daytime disc was reported (Salinger).

31 October 1958 Daytime - Kaizuka City, Japan -   Photo of a discoidal object.

31 October 1958 14:00 - Uruguay -   One object was observed.

31 October 1958 15:50 - Caledon East, Ontario, Canada -   Elliptical, aluminum-colored object. Explanation: Psych.

3 November 1958 14:01 - Minot, North Dakota, USA -   Bright green object and one smaller, silver round object

4 November 1958 16:03 - Pope AFB, North Carolina, USA -   USAF personnel saw an object with strange lights on collision course

5 November 1958 13:00 - Bloemfontein Se, South Africa -   A flying disc was observed. One disc was observed.

6 November 1958 15:00 - Shawbridge, Quebec, Canada -   Silver point sources fly in pairs and in large groups. Jets pursue but cannot catch.

8 November 1958 15:00 - Brasilia, Brazil -   Brazilian Air Force incident.

11 November 1958 16:10 - Berkeley, California , USA -   A daytime disc was reported.

13 November 1958 06:35 - Piqua, Ohio, USA -   One object was observed for six seconds (Thomas).

15 November 1958 12:15 - Loa, Utah, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for ten minutes (Allen). Explanation: Aircraft.

17 November 1958 11:15 - Columbus, Ohio, USA -   A daytime disc was reported.

17 November 1958 12:00 - Fort Smith, Arkansas, USA -   A daytime disc was reported.

25 November 1958 13:00 - Datil, New Mexico, USA -   A daytime disc was reported.

29 November 1958 15:10 - Santa Cruz, California , USA -   A daytime disc was reported.

In 1959 - Lexington, Kentucky, USA -   A daylight disc was observed by a male witness (Rafayko).

In 1959 Before 1000 - Boscawen, New Hampshire, USA -   A daytime disc was reported.

In 1959 Around 1500 - Hillside, New Jersey, USA -   Unidentified objects were sighted, that had an unusual appearance or performance. Three objects, the size of a star, were observed in clear weather by one male 12-year-old witness at an electric plant for ten minutes (Friedman). Explanation: Aircraft.

In 1959 Afternoon - Ahoskie, North Carolina, USA -   Flying discs were observed. Five discs were observed in clear weather by two male witnesses for ten minutes (Frank).

1 December 1958 14:30 - Grants E, New Mexico, USA -   Wingless fuselage circles slowly at high altitude. Hovers over same spot three times. Flies rapidly to the northwest.

3 December 1958 14:53 - Vejle, Denmark -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One object was observed for over three minutes (Lunar). Explanation: Satellite.

12 December 1958 17:30 - Tampa Sw, Florida, USA -   One object, about 150 feet across, was observed by numerous male witnesses (Minthorne, L).

13 December 1958 09:15 - Redlands, California , USA -   Photo. Explanation: Cloud.

21 December 1958 15:30 - Fort Hood, Texas, USA -   An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. A daytime disc was reported at a military facility.

22 December 1958 15:00 - Muszyna, Poland -   A physician took photo of UFO, dark, disc-shaped object.

In January 1959 Around 1200 - Litschau, Austria -   A daytime disc was reported.