Järjestyivät
Järjestyivät is the past passive plural form of the Finnish verb "järjestyä". The verb "järjestyä" means to be arranged, to be sorted, to get organized, or to settle. Therefore, "järjestyivät" translates to "they were arranged," "they were sorted," "they got organized," or "they settled."
This verb form is used when referring to multiple subjects that underwent a process of becoming orderly