The death of George Floyd, a 46-year-old Black man, after a Minneapolis police officer knelt on his neck for more than nine minutes, set off the largest wave of protest in the United States in decades.

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Video recorded by a bystander circulated widely and demonstrations spread to hundreds of American cities and to Europe, Africa, Asia and Australia. Officer Derek Chauvin was later convicted of murder.

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The protests prompted police reform legislation in several states, corporate diversity commitments, and a wider public argument about monuments, policing budgets and racial inequality.