UFO sightings by period
UFO sightings in 1956: 616 reports
SkyUnknown lists 616 UFO sightings in 1956 worldwide, drawn from official records: Project Blue Book (NARA) for 612 cases, GEIPAN (CNES) for 3, and PURSUE (gouvernement des États-Unis) for 1.
Of the 4 cases with a conclusion from their source, 50% are explained (with certainty or probably), 25% lack the data to conclude, and 1 remains unidentified. The most frequent identified causes: balloons (1).
For the other 612 cases, the source gives no conclusion: Project Blue Book conclusions sit in scanned files not yet transcribed.
Most frequently named places: Dayton (7), Columbus (6), Cincinnati (6), Pueblo (5), and Denver (5).
- cases
- 616
- unidentified
- 1
- period
- 1956
- sources
- 3
Map of the cases
Notable cases
The most complete records: account of the sighting, conclusion of the official investigation.
- Unexplained1956
Budapest, Hungary
Hungary
PURSUE (gouvernement des États-Unis)
- Probably explainedNovember 15, 1956
Paris
Île-de-France, France
GEIPAN (CNES)
- Probably explainedSeptember 20, 1956
Brioude
Haute-Loire, Auvergne-Rhône-Alpes, France
→ Balloons
GEIPAN (CNES)
- Insufficient dataApril 8, 1956
Seine-Maritime
Normandie, France
GEIPAN (CNES)
- Conclusion not availableDecember 1956
Orlando
Florida, United States
Project Blue Book (NARA)
- Conclusion not availableDecember 1956
Oxnard AFB
California, United States
Project Blue Book (NARA)
- Conclusion not availableDecember 1956
Tampa
Florida, United States
Project Blue Book (NARA)
- Conclusion not availableDecember 1956
Denver
Colorado, United States
Project Blue Book (NARA)
- Conclusion not availableDecember 1956
Itazuke AB
Japan
Project Blue Book (NARA)
Year by year, 1950 to 1959
All decades
By country
The 200 most recent sightings (out of 616)
| Date | Place | Status | Identified cause |
|---|---|---|---|
| December 1956 | 7 Mi W of Cedar Falls | Conclusion not available | |
| December 1956 | Amherst | Conclusion not available | |
| December 1956 | Belvidere | Conclusion not available | |
| December 1956 | Biloxi | Conclusion not available | |
| December 1956 | Chandler AFS | Conclusion not available | |
| December 1956 | DeFuniak Springs | Conclusion not available | |
| December 1956 | Denver | Conclusion not available | |
| December 1956 | Fairbanks | Conclusion not available | |
| December 1956 | Gassoway | Conclusion not available | |
| December 1956 | Gassoway | Conclusion not available | |
| December 1956 | Glenwood | Conclusion not available | |
| December 1956 | Guam | Conclusion not available | |
| December 1956 | Hamilton AFB | Conclusion not available | |
| December 1956 | Hugo | Conclusion not available | |
| December 1956 | Itazuke AB | Conclusion not available | |
| December 1956 | Medford | Conclusion not available | |
| December 1956 | Mexico | Conclusion not available | |
| December 1956 | Miami | Conclusion not available | |
| December 1956 | Missoula | Conclusion not available | |
| December 1956 | NAS Key West | Conclusion not available | |
| December 1956 | Nevada | Conclusion not available | |
| December 1956 | Newberryport | Conclusion not available | |
| December 1956 | Orlando | Conclusion not available | |
| December 1956 | Oxnard AFB | Conclusion not available | |
| December 1956 | Oxnard AFB | Conclusion not available | |
| December 1956 | Pittsburgh | Conclusion not available | |
| December 1956 | Ridgewood | Conclusion not available | |
| December 1956 | Santa Monica | Conclusion not available | |
| December 1956 | Tampa | Conclusion not available | |
| December 1956 | Valley City | Conclusion not available | |
| December 1956 | Victoria | Conclusion not available | |
| December 1956 | WASHINGTON | Conclusion not available | |
| December 1956 | Wilmington | Conclusion not available | |
| December 1956 | Woodstock | Conclusion not available | |
| November 15, 1956 | Paris | Probably explained | |
| November 1956 | (near) McChord AFB | Conclusion not available | |
| November 1956 | 60 Miles E of St Louis | Conclusion not available | |
| November 1956 | Aberdeen | Conclusion not available | |
| November 1956 | Brainerd | Conclusion not available | |
| November 1956 | Bucyrus | Conclusion not available | |
| November 1956 | Buffalo | Conclusion not available | |
| November 1956 | Canton | Conclusion not available | |
| November 1956 | Cape May | Conclusion not available | |
| November 1956 | Cincinnati | Conclusion not available | |
| November 1956 | Clear Lake | Conclusion not available | |
| November 1956 | Colfax | Conclusion not available | |
| November 1956 | Columbus | Conclusion not available | |
| November 1956 | Copake | Conclusion not available | |
| November 1956 | Coronada Island (Ninas off Calif.) | Conclusion not available | |
| November 1956 | Dayton | Conclusion not available | |
| November 1956 | Delano | Conclusion not available | |
| November 1956 | Destin | Conclusion not available | |
| November 1956 | East Gary | Conclusion not available | |
| November 1956 | El Toro | Conclusion not available | |
| November 1956 | Englewood | Conclusion not available | |
| November 1956 | Fox River Grove | Conclusion not available | |
| November 1956 | Glen Avon | Conclusion not available | |
| November 1956 | Green Bay | Conclusion not available | |
| November 1956 | Hollywood | Conclusion not available | |
| November 1956 | Kadoka | Conclusion not available | |
| November 1956 | Labrador Goose Bay-Frobisher Bay | Conclusion not available | |
| November 1956 | Lexington | Conclusion not available | |
| November 1956 | Linda Vista | Conclusion not available | |
| November 1956 | Marimont | Conclusion not available | |
| November 1956 | McKeesport | Conclusion not available | |
| November 1956 | Montreal and Prestwick A/C in flight between | Conclusion not available | |
| November 1956 | Muehlheim | Conclusion not available | |
| November 1956 | Nekoosa | Conclusion not available | |
| November 1956 | Newport | Conclusion not available | |
| November 1956 | Oklahoma City | Conclusion not available | |
| November 1956 | Pasadena | Conclusion not available | |
| November 1956 | Pittsburgh | Conclusion not available | |
| November 1956 | Point Arena | Conclusion not available | |
| November 1956 | Pound & Nekoosa Wisconsin | Conclusion not available | |
| November 1956 | Racine | Conclusion not available | |
| November 1956 | Rapid City | Conclusion not available | |
| November 1956 | Redfield & McLoughlin | Conclusion not available | |
| November 1956 | Rocky Ford | Conclusion not available | |
| November 1956 | Salineville | Conclusion not available | |
| November 1956 | San Bernardino | Conclusion not available | |
| November 1956 | San Luis Obispo | Conclusion not available | |
| November 1956 | South Weymouth | Conclusion not available | |
| November 1956 | Tupelo | Conclusion not available | |
| November 1956 | Uruguay | Conclusion not available | |
| November 1956 | Van Nuys | Conclusion not available | |
| November 1956 | Ventura | Conclusion not available | |
| November 1956 | W Los Angeles | Conclusion not available | |
| November 1956 | WSW Terre Haute | Conclusion not available | |
| November 1956 | Washington | Conclusion not available | |
| November 1956 | Wilmington | Conclusion not available | |
| November 1956 | Xenia | Conclusion not available | |
| October 1956 | (near) Hensely | Conclusion not available | |
| October 1956 | 10 Mi W of Carey Islands | Conclusion not available | |
| October 1956 | 20 Mi W Punk City | Conclusion not available | |
| October 1956 | Anita | Conclusion not available | |
| October 1956 | Batavio | Conclusion not available | |
| October 1956 | Beulah | Conclusion not available | |
| October 1956 | Bostonia | Conclusion not available | |
| October 1956 | Brannid Field | Conclusion not available | |
| October 1956 | Bridgeboro | Conclusion not available | |
| October 1956 | Brooklyn | Conclusion not available | |
| October 1956 | Castle AFT, Merced | Conclusion not available | |
| October 1956 | China Lake | Conclusion not available | |
| October 1956 | Cincinnati | Conclusion not available | |
| October 1956 | Colfax | Conclusion not available | |
| October 1956 | Colorado Springs | Conclusion not available | |
| October 1956 | Covington | Conclusion not available | |
| October 1956 | Crane | Conclusion not available | |
| October 1956 | Cunningham | Conclusion not available | |
| October 1956 | Dayton | Conclusion not available | |
| October 1956 | Denver | Conclusion not available | |
| October 1956 | Englewood | Conclusion not available | |
| October 1956 | Fairview | Conclusion not available | |
| October 1956 | Fernloy | Conclusion not available | |
| October 1956 | Ft. Thomas | Conclusion not available | |
| October 1956 | Green Bay | Conclusion not available | |
| October 1956 | Jackson | Conclusion not available | |
| October 1956 | Lamesa | Conclusion not available | |
| October 1956 | Lubbock | Conclusion not available | |
| October 1956 | New York | Conclusion not available | |
| October 1956 | Newburgh | Conclusion not available | |
| October 1956 | Newburgh, Unionville | Conclusion not available | |
| October 1956 | Newington | Conclusion not available | |
| October 1956 | North of Ontario | Conclusion not available | |
| October 1956 | Norwalk | Conclusion not available | |
| October 1956 | Odebolt | Conclusion not available | |
| October 1956 | Panama City | Conclusion not available | |
| October 1956 | Plano | Conclusion not available | |
| October 1956 | Point Arguello | Conclusion not available | |
| October 1956 | Pottsville | Conclusion not available | |
| October 1956 | Presque Isle | Conclusion not available | |
| October 1956 | Pueblo | Conclusion not available | |
| October 1956 | Santee | Conclusion not available | |
| October 1956 | Tehachapi | Conclusion not available | |
| October 1956 | Tehchapi | Conclusion not available | |
| October 1956 | Temple City | Conclusion not available | |
| October 1956 | Wethersfield, Essex | Conclusion not available | |
| October 1956 | Wheelus AB | Conclusion not available | |
| October 1956 | off Goose AB, New Foundland | Conclusion not available | |
| September 20, 1956 | Brioude · Haute-Loire | Probably explained | Balloons |
| September 1956 | Albany | Conclusion not available | |
| September 1956 | Altus | Conclusion not available | |
| September 1956 | Ashford, Kent | Conclusion not available | |
| September 1956 | Bert | Conclusion not available | |
| September 1956 | Between Coos Bay & Portland | Conclusion not available | |
| September 1956 | Big Bethel | Conclusion not available | |
| September 1956 | Bloomfield, Crane & Vincinnes | Conclusion not available | |
| September 1956 | Brooklyn | Conclusion not available | |
| September 1956 | Brooks AFB | Conclusion not available | |
| September 1956 | Buffalo | Conclusion not available | |
| September 1956 | Camp Drum | Conclusion not available | |
| September 1956 | Cincinnati | Conclusion not available | |
| September 1956 | Colorado Springs | Conclusion not available | |
| September 1956 | Concord | Conclusion not available | |
| September 1956 | Craig | Conclusion not available | |
| September 1956 | Creston | Conclusion not available | |
| September 1956 | Cumberland | Conclusion not available | |
| September 1956 | Dallas | Conclusion not available | |
| September 1956 | Dallas | Conclusion not available | |
| September 1956 | Dayton | Conclusion not available | |
| September 1956 | Denver | Conclusion not available | |
| September 1956 | Dorchester | Conclusion not available | |
| September 1956 | East Rochester | Conclusion not available | |
| September 1956 | Ellwood | Conclusion not available | |
| September 1956 | Flint | Conclusion not available | |
| September 1956 | Freeport | Conclusion not available | |
| September 1956 | Ft. Collins | Conclusion not available | |
| September 1956 | Hamilton | Conclusion not available | |
| September 1956 | Hancock | Conclusion not available | |
| September 1956 | Hanover | Conclusion not available | |
| September 1956 | Hastings | Conclusion not available | |
| September 1956 | Henderson Harbor | Conclusion not available | |
| September 1956 | Highland | Conclusion not available | |
| September 1956 | Kalispell | Conclusion not available | |
| September 1956 | Long Island | Conclusion not available | |
| September 1956 | Los Angeles | Conclusion not available | |
| September 1956 | NE Prescott | Conclusion not available | |
| September 1956 | Naples | Conclusion not available | |
| September 1956 | New Castle | Conclusion not available | |
| September 1956 | Odebolt | Conclusion not available | |
| September 1956 | Oklahoma City | Conclusion not available | |
| September 1956 | Olympia | Conclusion not available | |
| September 1956 | Pacific | Conclusion not available | |
| September 1956 | Parma Heights | Conclusion not available | |
| September 1956 | Pasadena | Conclusion not available | |
| September 1956 | Peyton | Conclusion not available | |
| September 1956 | Plymouth | Conclusion not available | |
| September 1956 | Pueblo | Conclusion not available | |
| September 1956 | Rossville | Conclusion not available | |
| September 1956 | San Antonio | Conclusion not available | |
| September 1956 | Silver Springs | Conclusion not available | |
| September 1956 | St. Petersburg | Conclusion not available | |
| September 1956 | Stockton | Conclusion not available | |
| September 1956 | Suquamish | Conclusion not available | |
| September 1956 | Taft | Conclusion not available | |
| September 1956 | Vandalia | Conclusion not available | |
| September 1956 | Vincennes | Conclusion not available | |
| September 1956 | Waldoboro | Conclusion not available | |
| September 1956 | Washington | Conclusion not available | |
| September 1956 | West Palm Beach | Conclusion not available |
The figures on this page are computed from the official records cited on each case. See sources and method