This is the 3144th most frequent Korean word.
개최된
"개최된" means "held" or "hosted."
Here "개최된" refers to an event or gathering, signifying that it was officially organized or hosted.
지난 주에 서울에서 국제 회의가 개최되었습니다.
Last week, an international conference was held in Seoul.
In this instance, "개최된" modifies a future event, showing its planned occurrence.
학교 운동장에서 체육 대회가 개최될 예정입니다.
A sports event is scheduled to be held in the school playground.
"개최된" describes a past event explaining when and how it was organized.