Partial account of 1976 Olympic encounter? (5)

I believe the answer is:

event

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'encounter?' is the definition.
(encounter is a kind of event)

I don't understand how the rest of the clue works.

(Other definitions for event that I've seen before include "tournament" , "What will happen" , "Function" , "A thing taking place" , "Something happening" .)

I've seen this clue in The Telegraph.

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