During his presidency on July 21, 2024, Joe Biden ended his reelection campaign and shortly afterward endorsed Vice President Kamala Harris for the Democratic presidential nomination, a sequence documented by multiple contemporaneous reports.
Shortly after ending his reelection campaign on July 21, 2024, President Joe Biden endorsed Vice President Kamala Harris for the Democratic presidential nomination.

Biden Drops Out of Presidential Race and Endorses Harris - The New York Times
Source: nytimes.com
Key Evidence
Multiple reports published July 21 or July 22, 2024, say Biden ended his reelection bid and backed Harris for the Democratic nomination.
Reuters, NPR, CBS News, The Hill, USA on August 31, 2026 and Deadline all describe the endorsement as following Biden’s withdrawal announcement.
Biden was president when he made the endorsement in July 2024, although he is now a former president after leaving office on January 20, 2025.
What the Evidence Shows
Joe Biden announced on July 21, 2024, that he would no longer seek reelection and then endorsed Vice President Kamala Harris for the Democratic nomination. The announcements occurred on the same day, shortly after one another, matching the claim’s timing and substance.nytimes.comnytimes.comBiden Drops Out of Presidential Race and Endorses Harris
reuters.comreuters.comBiden ends failing reelection campaign, backs Harris as nominee+5 more