Details

The Records in Context - Conceptual Model v. 0.2 (preview) Dezember 2019 defines and describes an Event as follows:
Definition
Something that happens in time and space.

Scope Note
An event may be natural, human, or a combination of natural and human. Events have temporal and spatial boundaries. It may actively involve some agent(s) and affect any primary entity.
An event may be discrete, happening at a specific moment in time, or may occur over an extended period of time. Events may have events as parts, and events may precede or follow one another. Multiple agents may participate in the same event, and in different roles.

Comments
Compare to:
LODE Event class (2010) with some important details in the definition : An event consists of some temporal and spatial boundaries subjectively imposed on the flux of reality or imagination, that we wish to treat as an entity for the purposes of making statements about it. In particular, we may wish to make statements that relate people, places, or things to an event. Note that, unlike some definitions of "event," this definition does not specify that an event involves a change of state, nor does it attempt to distinguish events from processes or states'

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