Christmas was not declared as a federal holiday officially, until
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June 26, 1780.
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June 18, 1780.
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June 26, 1870.
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June 18, 1870.
C
Correct answer
Explanation
Christmas was declared a federal holiday in the United States on June 26, 1870, when President Ulysses S. Grant signed it into law. This was part of a broader act that declared several holidays as federal observances. The 1870 date is correct - it was nearly a century after the founding of the United States that Christmas became officially recognized.