Answer:
Lancaster, Pennsylvania,
The United States has had nine capitals over the centuries, but only one was a one-day wonder: Lancaster, Pennsylvania. As British soldiers advanced on Philadelphia in the summer of 1777, the Continental Congress fled the city, which was then the capital. They met inside Lancaster’s county courthouse on September 27, 1777, but they didn’t stay long — they moved again to York, Pennsylvania, after just one day of business.
Explanation:
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