Sources: AP
A record number of electors break ranks and do not vote for their assigned candidate. Two electors from Texas vote for John Kasich and Ron Paul. Some of the electors from Washington cast three votes for Colin Powell and one vote for Faith Spotted Eagle. One elector from Hawaii votes for Bernie Sanders. 2016-12-19
Vermont Senator Bernie Sanders endorses Democratic Party rival Hillary Clinton for president at a rally in New Hampshire, effectively suspending his presidential campaign. 2016-07-12
Voters in the American state of Kentucky go to the polls for a Democratic Party primary with Hillary Clinton and Bernie Sanders winning an equal number of delegates and Clinton winning the popular vote narrowly. 2016-05-17
Trump is projected as the winner in the Republican primary in West Virginia while Bernie Sanders is projected to win the Democratic Primary. 2016-05-10
Voters in the U.S. state of Wisconsin go to the polls for a primary election with Ted Cruz winning the Republican Party contest and Bernie Sanders winning the Democratic Party primary. 2016-04-5
Bernie Sanders concedes the Missouri primary to Hillary Clinton, who led by 1,531 votes, 0.2 percent of those counted. Sanders says he will not ask for a recount, an option he had because the result is under the state's requirement, 0.5 percent — one-half of one percent. The Republican contest is too close to call as Donald Trump leads Ted Cruz by a similar 0.2 percent. 2016-03-17
The results show Hillary Clinton winning the Democratic Party races in Georgia, Alabama, Tennessee, Arkansas, American Samoa. Massachusetts and Virginia while Bernie Sanders has won Vermont, Minnesota, Oklahoma and Colorado. 2016-03-1
New York businessman Donald Trump wins the Republican Party primary while Vermont Senator Bernie Sanders wins the Democratic Party primary. 2016-02-9
Former New York City mayor Michael Bloomberg is seriously considering a possible independent presidential run if Donald Trump or Texas Senator Ted Cruz face Vermont Senator Bernie Sanders in the general election. 2016-01-23
Jeff Weaver, presidential campaign manager for Vermont Senator Bernie Sanders, says the DNC's suspending access to the Democratic voter file is part of a "pattern" of actions that suggest the DNC is not impartial. The campaign, which had notified the DNC of software problems, threatens to take the DNC to federal court if the party organization doesn't restore the campaign's access. 2015-12-18