개최됐던

In a sentence

• 올림픽은 작년에 우리 도시에서 개최됐던 중요한 행사였습니다.

  The Olympics were an important event that was held in our city last year.

  Here, "개최됐던" is used to specify a past event that took place, emphasizing its occurrence in the said context.

• 그 회의는 2020년에 유럽에서 개최됐던 것으로 알려져 있습니다.

  The meeting was known to have been held in Europe in 2020.

  In this sentence, "개최됐던" refers to a historical event that took place, providing information about its occurrence.

• 전시회는 그 전에 다른 장소에서 개최됐던 경험이 있었습니다.

  The exhibition had previously been held at different locations before.

  Here, "개최됐던" is utilized to discuss prior instances of the event occurring in various locations.