Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) on Sunday credited his supporters in New Hampshire with boosting his initial run for the presidency in 2016 as his 2020 campaign held its first events in the state.

"Let me offer a very special thanks to the people of New Hampshire," Sanders said at a rally in Concord. "As all of you will remember, in 2016, this is where the political revolution took off."

He recalled that many of his main platform ideas at the time were considered "too radical" by mainstream Democrats, such as guaranteeing health care, rejecting super PAC or corporate donors and shifting the Democratic nominating process away from super delegates.

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"Today, virtually of those ideas are supported by a majority of the American people and they are being supported by Democratic candidates from school board to president of the United States," Sanders said to applause.

"So to the people of New Hampshire, let me say that you helped begin the political revolution in 2016, and with your help on this campaign we are going to complete what we started here," he added.

Sanders defeated Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE in the 2016 presidential primary in New Hampshire by roughly 22 percentage points. He would go on to win several other states before ultimately conceding the nomination to Clinton.

The Vermont senator officially launched his candidacy last week with a rally in Brooklyn.

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