The maniac accused of randomly slapping a 6-year-old boy in Bryant Park’s Winter Village on Sunday was charged with felony assault – as cops revealed he has more than a dozen prior arrests dating back a decade.

David Silva, 42, of the Bronx — who has 17 previous busts on his record — whacked the youngster across the face without warning around 4:50 p.m. as the boy and his dad strolled around the buzzing holiday market, authorities and sources said.

Silva – a complete stranger to the child – was arrested a short time later and also faces charges for acting in a manner injurious to a child, menacing and harassment, cops said.

His most recent previous arrest was in June 2024 for hurling eggs at a stranger in Queens, police said.

He approached that victim, a 38-year-old woman, at Rooseve

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