People gathered in Black Lives Matter Plaza react to the presidential race being called in Democratic presidential candidate Joe Biden's favor over President Trump to become the 46th president of the United States, Saturday, Nov. 7, 2020, in Washington, D.C.. His victory came after more than three days of uncertainty as election officials sorted through a surge of mail-in votes that delayed the processing of some ballots. (AP Photo/Alex Brandon)
People celebrate the victory of President-elect Joe Biden and Vice President-elect Kamala Harris in New York City's Times Square on Saturday, Nov. 7, 2020. (AP Photo/Jacquelyn Martin)
Although U.S. President Trump wasn't conceding defeat, people in several U.S. cities started celebrating Joe Biden's election victory Saturday. (AP Photo/Jacquelyn Martin)
People gathered in Black Lives Matter Plaza react to the presidential race being called by CNN in Democratic presidential candidate Joe Biden's favor over Pres. Donald Trump to become the 46th president of the United States, Saturday, Nov. 7, 2020, in Washington. His victory came after more than three days of uncertainty as election officials sorted through a surge of mail-in votes that delayed the processing of some ballots. (AP Photo/Alex Brandon)
In the nation's capital, people streamed into Black Lives Matter Plaza near the White House, waving sings and taking cellphone pictures after the presidential race was called in Democratic presidential candidate Joe Biden. (AP Photo/Jacquelyn Martin)
Amanda Madden sprays champagne as people celebrate at Black Lives Matter Plaza after CNN called the race in favor of Democratic presidential candidate Joe Biden over Pres. Donald Trump to become the 46th president of the United States, Saturday, Nov. 7, 2020, in Washington. His victory came after more than three days of uncertainty as election officials sorted through a surge of mail-in votes that delayed the processing of some ballots. (AP Photo/Alex Brandon)
As soon as the news buzzed on their phones, Americans gathered spontaneously on street corners and front lawns — honking their horns, banging pots and pans, starting impromptu dance parties — as an agonizingly vitriolic election and exhausting four-day wait for results came to an end Saturday morning. And for all that joy, there was equal parts sorrow, anger and mistrust on the other side. (AP Photo/Seth Wenig)
People celebrate in Times Square after former vice president and Democratic presidential candidate Joe Biden was announced as the winner over Pres. Donald Trump to become the 46th president of the United States, Saturday, Nov. 7, 2020, in New York. His victory came after more than three days of uncertainty as election officials sorted through a surge of mail-in votes that delayed the processing of some ballots. (AP Photo/Seth Wenig)
Across the United States, the dramatic conclusion of the 2020 election was cathartic. People celebrate in Times Square after former vice president and Democratic presidential candidate Joe Biden was announced as the winner over Pres. Donald Trump to become the 46th president of the United States, Saturday, Nov. 7, 2020. (AP Photo/Seth Wenig)