Voters in Arizona, Florida, and Illinois go to the polls in their primary elections. 2020-03-17
Maryland postpones its primary from April 28 to June 2, becoming the fifth state to do so. 2020-03-17
Ohio was scheduled to vote today, but the election was postponed until June 2 due to the coronavirus pandemic. The delay capped hours of confusion in which the election was called off by the state's governor, Mike DeWine, only for a judge to then rule that he did not have the authority to do so. The state's health director, Amy Acton, then called off the election on the grounds of a health emergency. 2020-03-17
After 36 cases of COVID-19 are confirmed in Louisiana, Secretary of State Kyle Ardoin postpones its primary elections from April 4 until June 20. 2020-03-13
Entrepreneur Andrew Yang suspends his presidential campaign. 2020-02-11
Donald Trump receives overwhelming support in the Iowa Republican caucuses while the results of the Iowa Democratic caucuses are delayed because of problems with the use of a mobile app for reporting. 2020-02-4
Former U.S. Representative John Delaney drops out of the U.S. presidential race. 2020-01-31
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
U.S. Representative for Massachusetts Seth Moulton announces his suspension of his 2020 presidential campaign. 2019-08-23