List of events involving non-human intelligent beings
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and may never be able to satisfy particular standards for completeness. You can help by adding missing items.
The list of events involving non-human intelligent beings is an index of alleged incidents, operations, relationships, and arrangements in which non-human intelligent beings have reportedly interacted with Earth and its inhabitants. Events range from ancient genetic engineering programs spanning millions of years to discrete modern UFO sightings lasting seconds. This list cannot satisfy requirements of completeness.
Events involving NHI are catalogued in the following sub-lists by type:
Incidents
Discrete, datable events — someone was there, something happened.
- List of UFO sightings — visual observations of unidentified craft
- List of UFO sightings involving military personnel — military-witnessed observations
- List of sightings of transmedium UFOs — craft transitioning between air, water, and space
- List of UFO retrievals — physical recovery of craft and/or occupants
- List of alien abduction incidents — forced contact and examination cases
- List of UFO shootdowns — instances of craft being engaged by military forces
Contact relationships
Ongoing NHI-to-human communication channels — a person becomes a conduit.
- List of contactees — individuals maintaining ongoing contact with NHI
- List of contact cases — documented contact events
- List of communications from non-human intelligent beings — messages, transmissions, channeled material
Agreements and treaties
Claimed formal institutional arrangements between human governments/organizations and NHI groups.
Operations and states of affairs
Ongoing programs, facilities, and arrangements — not discrete events but sustained situations.
- List of alleged NHI operations on Earth
- List of off-world facilities — reported human and NHI installations beyond Earth
- List of underground bases — reported subterranean joint and NHI-operated facilities
- List of secret government projects — classified programs involving NHI technology or contact
Military operations
Reported combat, intervention, and force projection by or against NHI.
People
- List of people who have participated in secret space programs
- List of alien abductees
- List of anonymous UFO witnesses
- List of Majestic-12 members
- List of Majestic-12 whistleblowers
Documents and evidence
- List of documents related to non-human intelligent beings
- List of alien autopsy videos
- Recorded evidence of non-human intelligent beings
Beings
- List of non-human intelligent beings
- List of non-human intelligent species
- List of beings recovered from exotic craft
- List of extraterrestrial and non-human intelligent being craft
Narrative
For the chronological prose account tying these events together, see Exopolitical history of Earth.