This is the 9047th most frequent Korean word.
개최됐던
"Was held" or "took place."
Here, "개최됐던" is used to specify a past event that took place, emphasizing its occurrence in the said context.
올림픽은 작년에 우리 도시에서 개최됐던 중요한 행사였습니다.
The Olympics were an important event that was held in our city last year.
In this sentence, "개최됐던" refers to a historical event that took place, providing information about its occurrence.
그 회의는 2020년에 유럽에서 개최됐던 것으로 알려져 있습니다.
The meeting was known to have been held in Europe in 2020.
Here, "개최됐던" is utilized to discuss prior instances of the event occurring in various locations.