Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE's neck muscles got a workout during Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE's endorsement speech Tuesday.

Video by Bloomberg showed Clinton nod 406 times during Sanders's speech.

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During his speech, the Vermont senator said Clinton had "won the Democratic nominating process" and congratulated her.

“She will be the Democratic nominee for president, and I intend to do everything I can to make certain she will be the next president of the United States," he said in the address.

"I have come here today not to talk about the past but to focus on the future. That future will be shaped more by what happens on November 8 in voting booths across our nation than by any other event in the world. I have come here to make it as clear as possible as to why I am endorsing Hillary Clinton and why she must become our next president."

Watch all 406 of Clinton's nods in the video above.