Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE recalled her concession call with then-President-elect Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE as "one of the strangest" moments of her life, though one that was "perfectly nice and weirdly ordinary."

“ ‘Donald, it’s Hillary,’ ” the former Democratic presidential candidate writes in her upcoming book, "What Happened," according to excerpts published by The Daily Beast. “It was without a doubt one of the strangest moments of my life. I congratulated Trump and offered to do anything I could to make sure the transition was smooth.

"He said nice things about my family and our campaign. He may have said something about how hard it must have been to make the call, but it’s a blur now, so I can’t say for certain. It was all perfectly nice and weirdly ordinary, like calling a neighbor to say you can’t make it to his barbecue. It was mercifully brief.”

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Clinton's stunning electoral loss to Trump in November was widely unexpected by pollsters and pundits, who had for months before the election predicted a sound victory for the former secretary of State.

Trump ultimately won the election with 306 electoral votes, compared to Clinton's 232. She won the popular vote, however, by nearly 3 million votes.

In her book, which is scheduled to be released Sept. 12, the former Democratic nominee recounts her experiences during the 2016 presidential campaign.