This is the 16976th most frequent Russian word.
состоялись
"Состоялись" means "took place" or "were held."
In this sentence, "состоялись" indicates the occurrence of an event or meeting, emphasizing its completion.
Вчера состоялись важные переговоры.
Important negotiations took place yesterday.
Here, "состоялся" conveys the successful execution of the event, confirming it happened as planned.
Концерт состоялся в пятницу.
The concert took place on Friday.
In this instance, "состоялись" implies the realization or fulfillment of abstract predictions or plans within a figurative context.