Vatican, Scott Nr 715 717 (1982)
Oct 4, 1582: The Gregorian calendar is introduced, and, by papal decree, the next 10 days never happened.

Oct 4, 1582: The Gregorian calendar is introduced . . .

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Vatican, Scott Nr 715 717 (1982)
Oct 4, 1582: The Gregorian calendar is introduced, and, by papal decree, the next 10 days never happened.

Added to This Day In History2 weeks ago

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