unprecedented

The decades-long conflict has intensified since the start of the year when M23 staged an unprecedented offensive, seizing Goma and Bukavu - eastern Congo's two largest cities - and sparking fears of a wider regional war.

But “60 Minutes” now faces an unprecedented crisis.

Donald Trump and his administration are totally berserk and America is in the middle of an unprecedented, turbulent maelstrom.

A decline of that magnitude in vaccination rates “would really take something quite unprecedented,” Kiang said.

Huntington Park’s move to investigate one of its own council members, then remove her unilaterally, is virtually unprecedented, experts say.