Sources: AP
Voters in the American state of Oregon have their mail-in ballots counted for a Democratic Party and Republican Party primary. Donald Trump is the projected winner on the Republican winner while Bernie Sanders is projected to win the Democratic Party race. 2016-05-17
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
Vermont Senator Bernie Sanders wins the Indiana Democratic primary. 2016-05-3
Hillary Clinton is forecast to win the Democratic Party primary in Maryland, Pennsylvania, Connecticut and Delaware while Bernie Sanders wins Rhode Island. With her victory, Clinton came close to securing the number of delegates she needs to win the nomination. 2016-04-26
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 and Ted Cruz each won their party's votes in Idaho and Utah 2016-03-23
Tulsi Gabbard resigns as vice-chair of the Democratic National Committee and endorses Vermont Senator Bernie Sanders. 2016-02-28
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
The Democratic National Committee suspends Vermont Senator Bernie Sanders' presidential campaign's access to its national voter database after a member of his campaign staff took advantage of a software error to review Hillary Clinton's private campaign data. In response, the campaign files a lawsuit. 2015-12-18
Nominally independent Senator Bernie Sanders from Vermont announces that he will be seeking the Democratic Party nomination in the US presidential election. 2015-04-29