Tag Archives: papal bulls

When a Pope Changed our Old Style to a New Style

Posted on February 24, 2022 by cdsmiller17

Pope Gregory XIII (February 24, 1582) The calendar used to be based on the Roman way of counting days of the month, and year, but there was always something missing: one-quarter of a day every year. So, the Romans added … Continue reading →

Posted in history, Science and Mathematics | Tagged astrology, calendars, old style vs new style, old world vs new world, papal bulls, Roman Catholic Church, Roman Empire | Leave a comment

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Tag Archives: papal bulls

When a Pope Changed our Old Style to a New Style

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