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mar 15, 1582 - 1582 ACE: Gregorian calendar introduced

Description:

Pope Gregory XIII introduces the Gregorian calendar. This calendar is the fixed version of the Julian calendar. The work was mostly Roger Bacon's. Most people use this calendar.

Added to timeline:

21/6 Astronomy timeline project

ByHannah Louise Wong-Ming
2 Jul 2019
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Date:

mar 15, 1582
Now
~ 443 years ago

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