ellos ocurrieron

Los dos accidentes ocurrieron al mismo tiempo.

The two accidents occurred at the same time.

Quien sabe, quizás podrán esclarecer algunas cosas que ocurrieron en este país.

Who knows, perhaps they’ll be able to shed some light on things that happened in this country.

— La cinta blanca (2009)

Todos ocurrieron en Mangwon.

They all happened in Mangwon.

— The Chaser (2008)

Pero las cosas no ocurrieron así.

But things didn't happen that way.

— Ciudad de Dios (2002)

Ocurrieron muchas cosas esa noche.

Many things happened that night.