Event

An observable, measurable, or empirical phenomenon, any physical occurrence, anything happening having a beginning and an end which can be specified in terms of change;

more generally, any of an incident, episode, happening, occurrence, or occasion, especially having some particular significance or interest.

For example,

A car stalls at traffic lights.

Money stored in a desk drawer is discovered to be missing.

Someone imagines several alternative scenarios which would account for the money going missing.

Neurons “fire” in the brain of a subject trying to solve a problem.

A patient at a hospital acquires an infection.

President Kennedy is assassinated in Dallas on 22^nd November, 1963.

Hominids (Homo sapiens, Homo erectus, Australopithecines, etc.) arrive on the evolutionary scene.

Dinosaurs die out some 65 million years ago (Late Cretaceous extinction).

An experimental subject watches one of the experimenters (seeming to) give another research participant an electric shock.

A person experiences a vivid dream.

A witness to an armed robbery recalls the appearance of the perpetrator of the crime for a robbery squad detective.

(see also: explanation, event background)

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