The Gregorian calendar — used by most of the world — was introduced to fix errors in the Julian calendar mostly having to do with leap years.
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2020
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(192)
- 3 coronavirus cases identified in long-term care f...
- Why prepare for coronavirus to strike the US? It's...
- Why do so many cats have white 'socks' on their paws?
- Can people spread coronavirus after they recover?
- The Gregorian calendar: Why we have Leap years and...
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