Almost 70 fixed points in the spacetime continuum (6)

I believe the answer is:

events

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'almost 70 fixed points' is the definition.
The definition and answer can be both states of affairs as well as being plural nouns.
Maybe you can see a link between them that I can't see?

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

Can you help me to learn more?

(Other definitions for events that I've seen before include "Horse-riding competitions" , "They take place" , "Planned social occasions" , "Occurrences, happenings" , "Episodes" .)

I've seen this clue in The Independent.

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