Bernie Sanders

Joe Biden said on June 5 he had secured the delegates needed to clinch the Democratic nomination and face Donald Trump in November's U.S. presidential election.

"Folks, tonight we secured the 1,991 delegates needed to win the Democratic nomination," the former vice president said on Twitter.

Bernie Sanders endorsed Joe Biden's presidential campaign on April 13, encouraging his progressive supporters to rally behind the presumptive Democratic nominee in an urgent bid to defeat President Donald Trump.

Sen. Bernie Sanders ended his presidential bid on April 8, making Joe Biden the presumptive Democratic nominee to challenge President Donald Trump in a general election campaign that will be waged against the backdrop of the coronavirus pandemic.

Joe Biden and Bernie Sanders blasted President Donald Trump's handling of the coronavirus outbreak during a Democratic debate on March 15, and touted their own approaches to dealing with a widening crisis that has upended the daily life of Americans.

While acknowledging his deficit in the Democratic race, Bernie Sanders said on March 11 he's pressing ahead with his presidential campaign at least long enough to debate Joe Biden this weekend and try to force him to answer questions about economic inequality and the country's fraying social safety net.

Joe Biden decisively won Michigan's Democratic presidential primary, seizing a key battleground state that helped propel Bernie Sanders' insurgent candidacy four years ago. The former vice president's victory there, as well as in Missouri, Mississippi and Idaho, dealt a serious blow to Sanders and substantially widened Biden's path to the nomination.

Democratic presidential contenders Joe Biden and Bernie Sanders touted dueling endorsements on March 8, with onetime Biden rival Kamala Harris supporting the former vice president, while civil rights leader Jesse Jackson campaigned for Sanders.

Two former presidential rivals endorsed Joe Biden on March 6 in the latest sign that the Democratic establishment is coalescing around the former vice president to stop the candidacy of Bernie Sanders, who ratcheted up attacks on his rival ahead of crucial contests next week.

As the race to determine the Democratic Party's presidential candidate narrows, the voice of overseas Americans could well be decisive. Those Americans who have not already voted in their state's Democratic primary, are urged to visit the King George Hotel in Syntagma Square, Athens, on Sunday, March 8, 12-5 p.m., to vote in the Global Presidential Primary.

His front-runner status slipping, Bernie Sanders refocused his Democratic presidential campaign on surging rival Joe Biden as the Vermont senator's allies grappled with the fallout from a Super Tuesday stumble that raised internal concerns about the direction of his White House bid.