As the polls closed and the vote counting began, there was a quiet thrill of history in the making on the fog-shrouded streets of Scotland's capital, Edinburgh. Many Scots were staying up all night in homes and bars to watch the results roll in.
Eager voters had lined up outside some polling stations even before they opened at 7 am. Many polling stations were busy and turnout was expected to be high. More than 4.2 million people had registered to vote, 97 percent of those eligible, including residents as young as 16.
For some, it was a day they had dreamed of for decades. For others, the time had finally come to make up their minds about the future, both for themselves and for the United Kingdom.
"Fifty years I fought for this," said 83-year-old Isabelle Smith, a Yes supporter in Edinburgh's maritime district of Newhaven, a former fishing port. "And we are going to win. I can feel it in my bones."
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"The one thing America has that the Scots don't have is confidence," said Smith, who returned to Scotland years ago. "But they're getting it, they're walking tall."
"No matter what, Scotland will never, ever be the same again."
The question on the ballot paper could not be simpler: "Should Scotland be an independent country?"
Yet it has divided Scots during months of campaigning, generating an unprecedented volume and intensity of public debate and participation. The Yes side, in particular, has energised young people and previously disillusioned working-class voters.
Until recently, polls suggested as many as 1 in 5 voters was undecided, but that number has shrunk dramatically. In the latest poll, only 4 per cent remained uncertain how they would vote.
Many questions, the currency independent Scotland would use, its status within the European Union and NATO, the fate of Britain's nuclear-armed submarines, based at a Scottish port, remain uncertain or disputed after months of campaigning.