Translation of "Reunion" in Spanish

I went to the reunion.

Yo asistiré a la reunión.

I have to attend the reunion.

Debo tomar parte en una reunión.

He hesitated to take part in the reunion.

Vaciló en tomar parte en la reunión.

It is not necessary that we attend the reunion.

No es necesario que vayamos a la reunión.

You see, in June 2017 the first full cabinet reunion was met,

Veréis, en junio de 2017 se celebró la primera reunión con todo el gabinete al completo,

How many people do you think will come to the class reunion?

¿Cuánta gente crees que vendrá a la reunión de alumnos?

- It is not necessary for us to attend the meeting.
- It is not necessary that we attend the reunion.
- It isn't necessary for us to attend the meeting.
- It's not necessary for us to attend the meeting.

No es necesario que vayamos a la reunión.