"The Democratic National Convention will feature speeches by three presidents when the party gathers next week in Chicago to formally recognize Vice President Kamala Harris as its nominee.
President Biden, former President Barack Obama, former President Bill Clinton, and former Secretary of State Hillary Clinton, who was the party's nominee in 2016, are set to make remarks at next week's four-day event, according to a source familiar with the planning.
Mr. Biden and Hillary Clinton are expected to deliver speeches on Monday. Obama is planned for Tuesday and Bill Clinton on Wednesday.
Harris' running mate, Minnesota Gov. Tim Walz, is expected to officially accept the vice presidential nomination Wednesday night. Harris will take the stage on Thursday, the final night of the convention, to formally accept the presidential nomination."
https://www.cbsnews.com/news/dnc-speakers-biden-obama-bill-hillary-clinton/
