"This is an unprecedented situation for a President," he reads.

This would leave the trade organization in an unprecedented situation.

It wasn't standard protocol, but this was a strange and unprecedented situation.

America found itself in a situation unprecedented in its history.

This was an unprecedented situation, and they didn't have the means or the strategies to resolve it.

But it is their cumulative weight that has brought about an unprecedented, and critical, situation.

Given a situation unprecedented in American history, it is time to make some changes.

This is an unprecedented situation, a valuable chance to collect data.

Over the past four months, we have been going through an unprecedented situation.

Exceptional measures were needed for what was an unprecedented situation.