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Joe Biden officially becomes the Democratic Party’s nominee on convention’s second night

On the second night of the DNC on Aug. 18, former vice president Joe Biden celebrated his formal nomination as the Democratic presidential nominee. (Video: The Washington Post)

Joe Biden officially secured the Democratic nomination for president Tuesday, winning votes cast by party delegates scattered across bridges, beaches and statehouses in 57 states and territories in an online spectacle that marked the first virtual national party roll-call vote.

When his nomination became official, cameras flipped to the 77-year-old Biden, who was watching the virtual roll call with his wife, Jill, in a Delaware school. His grandchildren joined them, and shot off streamers and tussled with balloons as Biden beamed at a camera instead of a crowd.

“Thank you very, very much from the bottom of my heart. Thank you all. It means the world to me and my family, and I’ll see you on Thursday,” Biden said, standing in a room filled with more books than people.