se celebra

is held

→ se
phrase Rare #25,167
is held Used for events, ceremonies, trials, and other occasions that take place. It can also mean “is celebrated” when referring to a holiday or anniversary.
SP: La ceremonia se celebra cada año en junio.
EN: The ceremony is held every year in June.

El día de San Valentín se celebra en febrero.

Valentine’s Day is celebrated in February.

Pero por eso se celebra el juicio, ¿verdad, Richie?

But that’s why the trial is being held, right, Richie?

— American Gangster (2007)

El carnaval de Río se celebra en febrero.

Rio Carnival takes place in February.

Halloween se celebra en octubre.

Halloween is celebrated in October.

El bautismo se celebra dentro de la iglesia.

Baptism is celebrated inside the church.

El día de la República se celebra el veintiséis de enero.

Republic Day is celebrated on January 26th.