Democrats are gathering in Chicago this week to nominate Vice President Kamala Harris as their candidate to take on former President Donald Trump.

Democrats gathered in Chicago to nominate Vice President Kamala Harris as their presidential candidate to take on former President Donald Trump.

The current president delivered the closing speech during the first night of the Democratic National Convention in Chicago.

A 'thank you Joe' chant broke out during the former Secretary of State's speech.

ABC News' Jay O'Brien recaps the memorable moments from the first night of the Democratic National Convention

Team USA coach Steve Kerr closes DNC speech: "After the results are tallied [on Election Night], we can — in the words of the great Steph Curry — we can tell Donald Trump: "Night, night."

Raphael Warnock, who made history as Georgia's first Black senator, made clear the importance of his state in the 2020 election.

"America, America, I gave my best to you," Biden said.

Biden kicked off his DNC remarks after a long standing ovation from the crowd peppered with cheers of "We love Joe!" and "Thank you, Joe!"

"He wasn't just a girl dad. I could see that he valued and trusted women," she said.

The congresswoman teared up while recalling first meeting Harris after first getting elected to Congress.

First Lady Jill Biden talked about her husband's kindness and devotion to helping others during his years of service.

Comparisons of Hillary Clinton and Kamala Harris's campaigns have begun to emerge as they're the only two women to clinch a major party's nomination for president.

Ashley Biden has spent years promoting and supporting her father throughout his career and will now be at his side as addresses the DNC for the final time as president.

ABC News’ Linsey Davis speaks with former director of communications for Trump’s transition team, Bryan Lanza, and former senator Heidi Heitkamp on expectations for the 2024 DNC.

ABC News’ Linsey Davis speaks with former Obama speechwriter Terry Szuplat on what we might hear in Biden’s speech and how the president will pass the torch to Vice President Kamala Harris.

Kentucky Gov. Andy Beshear, a one-time potential running mate for Harris, largely focused on reproductive rights during his DNC remarks.

Three groups of people spoke about their personal stories dealing with the fallout from laws passed in states that banned abortions.

ABC News’ Linsey Davis speaks with former director of communications for Trump’s transition team, Bryan Lanza, and former congresswoman Heidi Heitkamp on expectations for the 2024 DNC.

Maryland Rep. Jamie Raskin, who was a member of House's Jan. 6 committee, warned about the "Banana Republicans who have converted Lincoln's party into a dangerous cult of personality."

"There is a lot of energy in this room just like there is a lot of energy in this country," Clinton said.

South Carolina Rep. Jim Clyburn called Project 2025 "Jim Crow 2.0" during his remarks while drawing a comparison between Trump and Harris.

ABC News' Linsey Davis speaks with ABC News contributors Donna Brazile and Reince Priebus about what viewers can expect from President Biden’s DNC speech and the overall convention.

Ocasio-Cortez riled up the crowd when she went after Trump while urging voters to make history in electing Harris as president.

New York Gov. Kathy Hochul made several jabs at former President Donald Trump during her speech at the convention.

United Auto Workers President Shawn Fain praised Vice President Kamala Harris for her years of supporting the UAW and for fighting for workers rights.

Vice President Kamala Harris entered the arena ahead of President Joe Biden's keynote address on opening night of the 2024 Democratic National Convention.

Delegates at the Democratic National Convention approved their platform Monday night and made efforts to curb gun violence a top priority.

Biden is mentioned 287 times while Harris is mentioned 32 times.

Chicago Police Superintendent Larry Snelling Larry Snelling discusses the arrest of protesters outside of the DNC security perimeter.

Rev. Jesse Jackson, the civil rights leader and 1988 Democratic presidential candidate, received a standing ovation when he was wheeled on stage.

The Coalition to March on the DNC, representing over 200 activist organizations, gathered in support of Palestinians in Gaza on Monday. They estimated that about 15,000 people were present.

ABC News political contributor and former Trump Justice Dept. spokesperson Sarah Isgur and Democratic strategist and former special asst. to Pres. Biden Meghan Hays discuss the presidential picks.

Senior Director of Communications for the Democratic National Convention Committee Matt Hill joins ABC New Live to discuss speakers at the DNC as Day 1 kicks off.

President Joe Biden passes the torch to Vice President Kamala Harris 29 days after he dropped his bid for reelection.

"I believe it's an issue we can win on." Connecticut Sen. Chris Murphy joins ABC News Live to discuss what he thinks of Vice President Harris' economic and immigration policies.

ABC News’ Mary Bruce and Jon Karl share what to expect from President Joe Biden’s speech on Monday at the Democratic National Convention and the current state of the Harris and Trump campaigns.

The Rhode Island congressman and former Biden administration official discusses Day One of the Democratic convention and the central theme of lowering health care costs.

With the Democratic National Convention kicking off Monday, Rep. Lisa Blunt Rochester, D-Del., shares what can be expected this week.

The Texas congressman spoke with ABC News' Selina Wang about the momentum within the Democratic Party and said Vice President Kamala Harris should "continue to be herself."

538’s Nathaniel Rakich takes a look at the history of political conventions in the Windy City.

Hogg has since founded Leaders We Deserve, a grassroots organization dedicated to electing young progressives to Congress and state legislatures across the country.

Climate change doesn't rank high on voters according to the polls, but Democrats hope to change that at the DNC.

The Connecticut congresswoman faces stiff competition in her district and said having Harris on the ticket brought great momentum to her campaign.

Law enforcement will face a major test on Monday when thousands of pro-Palestinian protesters are expected to march in Chicago during the first day of the Democratic National Convention.

McClellan, who is on the advisory board for the Harris campaign, addresses how she thinks the campaign can maintain the party's newfound momentum as the election draws closer.

Democratic strategist Kaivan Shroff and Republican strategist Alfonso Aguilar squared off promoting their respective parties as the DNC is about to begin.

The Democratic National Convention is set to begin Aug. 19 in Chicago. Here's what to know about the DNC and how to follow along with all of the action.

Democratic strategist Laura Fink and former senior adviser to Vivek Ramaswamy Tricia McLaughlin discuss the upcoming Democratic convention where President Joe Biden is set to address the nation.

Democrats are jubilant, preparing for a party this week as they descend on Chicago for their convention. They're also terrified.