Political pundits from both sides of the aisle were betting on this being Hillary Clinton's night.
But now it looks like Donald Trump has a solid chance of winning the presidency.
Photos from each candidate's victory party in New York show the stark contrast between the moods of supporters.
Clinton, the Democratic nominee, is holding her event at the Javits Center in Manhattan, and Trump, the Republican nominee, is having his at the Hilton hotel in midtown.
Here's Clinton's event:
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People watch voting results at Democratic presidential nominee former Secretary of State Hillary Clinton's election night event at the Jacob K. Javits Convention Center November 8, 2016 in New York City.
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A group of women react as voting results come in at Democratic presidential nominee former Secretary of State Hillary Clinton's election night event at the Jacob K. Javits Convention Center November 8, 2016 in New York City.
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People watch voting results at Democratic presidential nominee former Secretary of State Hillary Clinton's election night event at the Jacob K. Javits Convention Center November 8, 2016 in New York City.
And here's Trump's event:
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People cheer as voting results for Iowa come in at Republican presidential nominee Donald Trumps election night event at the New York Hilton Midtown on November 8, 2016 in New York City.
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People cheer as voting results for Florida come in at Republican presidential nominee Donald Trumps election night event at the New York Hilton Midtown on November 8, 2016 in New York City.
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People cheer at Republican presidential nominee Donald Trumps election night event at the New York Hilton Midtown on November 8, 2016 in New York City.