6 January 1958 Daytime - Trindade Island, Atlantic -   Gravity effect, instrumented observation.

16 January 1958 12:15 - Trindade Island, Atlantic -   Photos (4), electrical failure of power on board research ship, 49 witnesses of Saturn shaped maneuvering UFO. Photos declared genuine by Brazilian Naval Ministry. Explanation: Hoax.

30 January 1958 - Lima, Ohio, USA -   Truck, bus, and car passengers felt shock; motors of all three vehicles failed, as UFO descended and hovered

30 January 1958 23:45 - Arequipa, Peru -   Lawyer incident.

20 February 1958 - Espanola, New Mexico, USA -   Physiological effects: skin burns. Radioactivity reported in area. Witness who watched UFO land suffered skin burns.

24 February 1958 03:05 - Salvador, Brazil -   Electromagnetic effect: car engine died. Disc-shaped luminous UFO approached, falling leaf motion, maneuvers. Car would not start until UFO appeared second time at 6:30 am, then shot away.

24 February 1958 03:05 - Conceicao Almeida, Brazil -   Three witnesses, among them Dr. C. da Costa, decided to sleep in their car when the engine stalled and could not be started again.

24 February 1958 04:35 - Conceicao Do Almeida, Brazil -   An object was observed. Electromagnetic effects were noted. One saucer was observed (Pereira).

In March 1958 - Ellwood City, Pennsylvania, 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 (and physical effects reported) by a male witness (Scala).

In March 1958 00:30 - Bouahmama, Algeria -   A hovering object was observed. Physiological effects were noted. One object, about 1000 feet across, was observed in clear weather by one male 28-year-old witness in a desert for 45 minutes. A noise was heard.

3 March 1958 22:30 - Ponta Pora, Brazil -   An object was observed from a car. Gravity effects were noted. One object was observed by more than five witnesses in a forest for over 25 minutes (Goncalves).

27 March 1958 - Ponferrada, Spain -   An object was observed. Traces found. An unidentifiable object was observed at close range and caused physical effects. Explanation: Hoax.

In April 1958 00:30 - La Porte, Indiana, USA -   An object was observed. Electromagnetic effects were noted. One object was observed by two witnesses for over 15 minutes.

In May 1958 - Richmond, Virginia , USA -   An object was observed. Electromagnetic effects were noted. One object was observed.

5 May 1958 15:40 - San Carlos, Uruguay -   Piper Cub incident.

8 May 1958 18:30 - St Petersburg, Florida, USA -   Photo of fireball near sun. Photographic light meter reads 1600 for object, only 300 for sun!

18 May 1958 01:15 - Bulawayo, Famona, Zimbabwe -   Lasting physiological effects.

12 June 1958 01:00 - Mediteranean Sea, France -   Fisherman incident.

In early July 1958 Daytime - Epping, UK -   An object was observed before it exploded. Traces found. One object was observed by one witness in a city (Collins).

7 July 1958 21:00 - Solis de Mataojo, Uruguay -   Electromagnetic effect: total failure of car electrical system 1952 Dina Panhard. Damage to plugs and headlights. Heat sensation, physiological effects: digestive, visual, red skin, tongue and palate lining peeled, ..

18 July 1958 09:15 - Lake Gairdner, South Australia, Australia -   Ground traces. Mysterious double explosion in creek bed, followed by blue ball with brilliant white tail flying through sky. Scrub had caught fire after the explosion.

8 August 1958 01:27 - Unsue, Argentina -   Senator incident. Explanation: Planet.

16 August 1958 - Eldred, Pennsylvania, 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.

31 August 1958 11:15 - La Verde, Argentina -   Piper incident. Aircraft engine abnormal during UFO sighting

1 September 1958 21:30 - Laval, France -   About 11 kilometers before Laval, a businessman coming from Paris suddenly saw a motionless object, ten meters above ground, to the left of the road, 150 meters away.

2 September 1958 21:00 - Docelles, France -   Ground traces. Violent blue-white flashes seen at site. four deep, rectangular imprints 5m apart in ground.

5 September 1958 21:15 - Havdrup, Denmark -   An object was observed. Electromagnetic effects were noted. One object was observed by one female witness on a road for two minutes (Munk).

In Fall 1958 23:00 - Bethlehem, New Hampshire, USA -   An object was observed. Physiological effects were noted. One object was observed.

3 October 1958 - Fukushima-Ken, Japan -   An object was observed. Electromagnetic effects were noted. One green ball was observed.

3 October 1958 06:00 - Stephensburg, Kentucky, USA -   An object was observed. Ground traces were found. One object was observed by four experienced witnesses on a farm (Sutzer; Vore).

26 October 1958 23:30 - Loch Raven Dam, Maryland, USA -   Project Blue Book "unidentified" case. 100 feet long ovoid object with irridescent moon glow, 150 feet altitude, approached car. Electromagnetic effect: engine, dash lights, headlights died at bridge. Sunburn, felt heat. Explanation: EM.

27 October 1958 22:30 - Lock Raven Dam, Maryland, USA -   Large flat egg-shaped object, flying low about 100-150 ft, causes car to stall.

28 October 1958 19:55 - Veynes, Pont-La-Dame, France -   An object was observed. Electromagnetic effects were noted. An unidentifiable object was observed at close range and caused physical effects.

9 November 1958 Evening - Vaddo, Sweden -   Trace remnants.Small metallic artifact recovered from landing site. Analysis indicated it was made of tungsten carbide, cobalt, and titanium.

10 November 1958 23:45 - Montpellier, France -   Objects were sighted that had an appearance and performance beyond the capability of known earthly aircraft. Three objects were observed.

In mid-November 1958 01:35 - North Topeka, Kansas, USA -   Lasting physiological effects.

16 November 1958 06:00 - Upplands, Sweden -   Electromagnetic effect: car engine and headlights died. Blue disc with yellow rim, 17m long, landed 60 yards to right. Took off after three minutes. Car would start. Landing site: felt "closeness" in air, grass depression.

In 1959 00:00 - Kolding, Denmark -   Farmer saw strange light in his field and "suction marks" were found in the snow.

In 1959 Around midnight - Signal Peak, Washington, USA -   Fire Lookout incident.

6 December 1958 23:00 - Bari, Italy -   Disc passes at very low altitude. Power blackout of entire city.

In mid-December 1958 Evening - Vanleer S3M, Tennessee, USA -   An object was observed. Traces found. An unidentifiable object was observed at close range and caused physical effects (Reynolds). Explanation: Hoax.

20 December 1958 16:00 - Clermont-Ferrand, France -   A disk of 20 meters diameter was observed and caused damage on the ground.

25 December 1958 - Ledernales, Venezuela -   An object was sighted that had an appearance and performance beyond the capability of known earthly aircraft. One object was observed.

28 December 1958 15:00 - Portglenone, Northern Ireland, UK -   Black 2m flying object cuts 2' tree in half, keeps going.

28 December 1958 15:00 - Portglenone, Ireland -   A black flying object, two meters wide, cut a tree in two.

31 December 1958 - Belfast, Northern Ireland, UK -   An object was observed. Traces found. One object, about 10 feet across, was observed by one experienced male witness in a forest (Bennett). A noise was heard.

In January 1959 07:00 - Tobol'Sk, Kazakhstan -   Gravity effect. "Star" forms cloud, emits similar object, moves away.