Little is known of the area before the arrival of Europeans.

Recorded or written history begins with the arrival of Europeans.

Numerous species were wiped out by men before the arrival of Europeans.

The importation began almost immediately upon the arrival of Europeans to the region.

The territory was little populated before the arrival of Europeans.

The arrival of Europeans created the opportunity for greatly expanded trade.

Māori population in the area is estimated at about 20,000 people before the arrival of Europeans.

With the arrival of Europeans in the 1500's, a new chapter opened.

They wrote that such a species could have been driven to extinction before the arrival of Europeans.

The arrival of Europeans was just yet another such influx.