(CNN) For the first time in at least a quarter-century, New York City made it through a weekend without anyone getting shot.

From Friday, October 12, through Sunday, October 14, not one shooting was reported throughout the city's five boroughs, according to police.

Mayor Bill de Blasio called the achievement "extraordinary" on Monday while speaking at a graduation ceremony for newly sworn NYPD officers.

"A city of 8.6 million people -- not a single shooting for three days," he said. "Let's thank the NYPD for what they've achieved."

The shooting-free weekend came just days after the NYPD's chief of crime-control strategies, Lori Pollock, said the city was trending towards "another record-setting year" of fewer than 97,000 crimes.

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