After 4,764 party delegates formally backed her, the former US First Lady tweeted, "This moment is for every little girl who dreams big."
In a show of unity, Bernie Sanders moved that "Hillary Clinton be selected as the nominee of the Democratic party for president of the United States.
Here are the highlights from Day 1 of the convention.
"Trump is a bully and a demagogue," said Sanders whose call to support party nominee Clinton was met with loud jeers and cries of "We want Bernie!" from the fired-up crowd.
Bernie Sanders would join presumptive Democratic presidential nominee Hillary Clinton at an election rally in New Hampshireon Tuesday, the two campaigns said even though the Vermont senator has yet to endorse his former rival for the party nomination.
Bernie Sanders has vowed to work with presumptive Democratic presidential nominee Hillary Clinton to defeat Republican Donald Trump in the November polls, but declined to bow out of his race to the White House.
Hillary Clinton has ended her Democratic presidential primary campaign on a winning note as she defeated her party rival Senator Bernie Sanders in the US capital, setting the stage for a fierce showdown with Republican opponent Donald Trump in November.
The Republican White House contender took the time to pat himself on the back for 'being right on radical Islamic terrorism' and sought the resignation of US President Barack Obama.
Hillary Clinton, the former US secretary of state, offered a tweet signed "-H" to indicate it was from her personally.
Obama's endorsement of Clinton came moments after he met Senator Sanders of Vermont at the White House.
Hillary Clinton on Wednesday claimed the Democratic presidential nomination after decisive victories in the New Jersey and New Mexico primaries, creating history by becoming the first woman to lead a major American political party in the race to the White House.
Ninety-six years after women won the right to vote in the United States of America, a woman stands a chance of winning the US presidential race. Hillary Clinton -- former first lady, former US senator, and former secretary of state -- has become the first woman to capture a major-party nomination for president, taking another step in a journey that once seemed impossible, but over the last eight years has seemed inevitable. Like everything about her campaign, it was harder than expected.
The former secretary of state posted strong wins over Sanders in the island territory of Puerto Rico and the US Virgin Islands.
She warned that Trump is not fit to have his finger on America's nuclear trigger.
"Today, we're learning about another scam: the so-called Trump University. The New York Attorney General is suing Donald Trump for fraud," she alleged.
Donald Trump has backed out of a televised debate against Democrat Bernie Sanders just two days after agreeing.
Donald Trump on Thursday reached the magic number of 1,237 delegates, making the real estate mogul the sole claimant to be the Republican party's presidential nominee for the November polls.
Facing no active opposition, Donald Trump on Wednesday cruised to victory in the Washington state primary and was just one step away from clinching the Republican presidential nomination to set up a likely clash with Hillary Clinton in the November polls.
Analysts believe the main reason for Trump's popularity surge is that he now enjoys wider support from Republican voters after his decisive win in Indiana earlier this month.
Notably, Clinton is yet to reach the requisite number of delegates to be called as the Democratic Party's presumptive presidential nominee.
Clinton win potentially disrupts a string of expected primary losses this month that had threatened to weaken her even as she turned her focus to her likely matchup against Republican Donald Trump in the general election.
Vermont senator Bernie Sanders has won the West Virginia primary defeating Democratic presidential frontrunner Hillary Clinton by more than 15 percentage points even as the former US secretary of state looks set to secure the party nomination.
At the black-tie event, Obama satirised everyone from Democrats to Republicans and from media to his potential White House successors, including Hillary Clinton.
Trump's victories came in Maryland, Connecticut, Delaware, Pennsylvania and Rhode Island, while Democratic front-runner Hillary Clinton won in Connecticut, Delaware, Maryland and Pennsylvania
Ted Cruz on Sunday won all 14 delegates in the Wyoming State Republican convention.
The Vermont Senator and Texas senator are closing in on the lead that their competitors - Clinton and Trump hold.
Bernie Sanders alleged that Clinton is not qualified to be the president.
Bernie Sanders on Sunday trounced Hillary Clinton in the crucial presidential caucuses in Washington, Alaska and Hawaii, making "inroads" into her substantial lead.
Republican Donald Trump and Democrat Hillary Clinton on Wednesday knocked down another barrier by winning in Arizona presidential primaries but the frontrunners lost out in Utah to their nearest party rivals who kept their chances alive as the race to the White House gathered steam.
'A vote for Hillary means a vote for endless wars of trying to overthrow governments and rebuilding foreign countries.' 'A vote for Bernie Sanders means an end to these interventionist wars, and instead spending our money and precious resources rebuilding our own country,' Congresswoman Tulsi Gabbard, the only Hindu-American in the United States Congress, tells Aziz Haniffa/Rediff.com
Republican presidential front-runner Donald Trump on Sunday suffered a double blow as he lost badly to rivals Ted Cruz and Marco Rubio in polls in the US capital and Wyoming, an indication that the fight for securing the party's nomination was hotting up.
Hillary Clinton and Bernie Sanders held a fierce and substantive debate on Sunday night, disagreeing over trade, guns, the auto industry and Wall Street.
Republican Ted Cruz posted two crucial wins over front-runner Donald Trump who also triumphed in two states in Sunday's multi-state vote while in the Democratic camp Bernie Sanders clawed his way back into the presidential contest with two victories over Hillary Clinton.
The four candidates are billionaire real estate magnet Donald Trump; two first term Senators Ted Cruz from Texas and Marco Rubio from Florida and the Ohio Governor John Kasich.
Democrat Hillary Clinton and Republican Donald Trump have both won the most states in the biggest day of the race for the US presidential nomination.
A total of 12 states from Alabama to Alaska are holding primaries or caucuses today. Virginia was the first state to open its polling stations at 6:00 am (16:30 IST).
Hillary Clinton inflicted a massive defeat on Bernie Sanders in the Democratic primary in South Carolina.
US presidential aspirants Hillary Clinton and Bernie Sanders on Friday tried to woo minority Latino and African American voters as they sparred over issues like race and their records on immigration during a Democratic debate.
Republican Donald Trump and Democrat Bernie Sanders cruised to early victories in the New Hampshire primary.
Republican presidential front-runner Donald Front is holding forte in New Hampshire with a double digit lead over his nearest rival Marco Rubio while Democratic presidential aspirant Bernie Sanders has a massive lead over Hillary Clinton.