In the early hours of November 28, 1980, Police Constable Alan Godfrey was on patrol in Todmorden, West Yorkshire, when he encountered a diamond-shaped object hovering at five feet, blocking the road ahead.

This case matters because it is a documented encounter event whose object identity remains unresolved.
Documented
In the early hours of November 28, 1980, Police Constable Alan Godfrey was on patrol in Todmorden, West Yorkshire, when he encountered a diamond-shaped object hovering at five feet, blocking the road ahead.
Debated
The identity of the object
Debated
The adequacy of the conventional explanation
Unverified
Extraterrestrial origin
Unverified
Any claim stronger than the record supports
Unverified
Hypnosis-derived missing-time and abduction claims
Sources are kept in separate layers: official and contemporary material is documented; secondary UFO literature is treated as debated, not as primary evidence.
Secondary / debated material.
Documented source.
Documented source.