The Missing 10 Days
What Is the Mystery of 1582 and Why Were 10 Days Skipped?

Discover the mystery of 1582 when 10 days vanished due to the switch from the Julian to Gregorian calendar by Pope Gregory XIII.

Shortest Year Ever
What Was the Shortest Year in History? Discover Why 1582 Is Unique

Learn about the shortest year in history, 1582, and the calendar changes that made it only 355 days long.