Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:UFO_sighting_wave
|
| gptkbp:describedBy |
wave of UFO sightings in 1957
|
| gptkbp:endDate |
1957
|
| gptkbp:investigatedBy |
gptkb:Project_Blue_Book
gptkb:US_Air_Force |
| gptkbp:location |
gptkb:Australia
gptkb:United_Kingdom gptkb:United_States |
| gptkbp:mediaCoverage |
gptkb:radio_station
gptkb:television newspapers |
| gptkbp:notableEvent |
gptkb:Levelland_UFO_case
November 2, 1957 November 5, 1957 July 17, 1957 Fort Itaipu incident Kirtland AFB UFO sighting Peterson Air Force Base sighting RB-47 UFO encounter September 13, 1957 Ubatuba UFO fragment case |
| gptkbp:notableWitness |
gptkb:military
gptkb:police_officer civilians |
| gptkbp:relatedTo |
gptkb:Project_Blue_Book
gptkb:US_Air_Force gptkb:NICAP |
| gptkbp:startDate |
1957
|
| gptkbp:topic |
gptkb:UFO
UFO reports |
| gptkbp:bfsParent |
gptkb:Levelland_UFO_case
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
1957 UFO flap
|