U.S. Representative from Hawaii Tulsi Gabbard ends her presidential campaign in the 2020 presidential election and endorses former Vice President Joe Biden. 2020-03-19
Maryland postpones its primary from April 28 to June 2, becoming the fifth state to do so. 2020-03-17
After failing to win any states on Super Tuesday, Massachusetts U.S. Senator Elizabeth Warren suspends her presidential campaign, leaving Hawaii U.S. Representative Tulsi Gabbard as the only woman left in the race. 2020-03-5
After a poor performance on Super Tuesday, former New York City Mayor Michael Bloomberg suspends his presidential campaign and endorses former Vice President Joe Biden. 2020-03-4
Facebook and Instagram amend their advertising policies so that politicians are allowed to use influencers to promote their campaigns, in response to U.S. presidential candidate Michael Bloomberg using them to advertise his candidacy without being subjected to both sites' regulations on political ads. 2020-02-14
Colorado Senator Michael Bennet suspends his presidential campaign. 2020-02-11
The Mayor of New York City Bill de Blasio announces he is ending his presidential campaign, saying "I feel like I have contributed all I can to this primary election, and it's clearly not my time". 2019-09-20
New York Senator Kirsten Gillibrand drops out of the presidential race. 2019-08-28
Washington governor Jay Inslee drops out of the presidential primaries to focus on his re-election bid. 2019-08-22
U.S. Senator Michael Bennet from Colorado announces he is running for the Democratic Party's nomination to be President of the United States in the 2020 presidential election. 2019-05-2