He remembered clearly the principal events in that affair.

The real causes of all the principal events are quite unknown to the historians." "

There are four principal events that cause a process to be created:

He regularly participated in the principal artistic events in Italy and abroad.

The principal events occur in and near a landfill.

You must be aware of the principal events and characters in the story.

Often the principal historical events of the day found their way into the works of the monks.

He went accordingly to the banquet, of which we have already mentioned the principal events.

This was demonstrated in "Gathering," the prelude to the principal event.

The principal events in Cornwall happened in the following order.