acontecer

v. happen, occur; befall

v. happen, befall; come, occur; ensue, eventuate

= befall, go on.
Ex: The severe economic crisis that befell scholarly micropublishing in 1987 and 1988 could well recur.
Ex: How she ached to be a poet and by some wizardry of pen capture the mysteries going on out there.
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* cambiar lo acontencido = change + the course of events.