occurrence

The action, fact, or instance of occurring.

Something that takes place; an event or incident.

The act of occurring; occasional presentation.

An incident or accidental event; that which happens without being designed or expected; an event; a happening: as, an unusual occurrence; such occurrences are not uncommon.

Happenings collectively; course of events.

Eccles., the coincidence of two or more festivals on the same day. See occur, v. i., 5, and concurrence, n., 4.

A coming or happening.

Any event or incident; esp., one which happens without being designed or expected.

Actual instance where a situation arises

an event that happens