October 4th, 1582
Pope Gregory XIII implements the Gregorian Calendar. In Italy, Poland, Portugal, and Spain, October 4 of this year is followed directly by October 15. event on October 04, 1582. Read about how to open files in Open File Database.
Events around October 04, 1582
| October 6th, 1582 | Event | Due to the implementation of the Gregorian calendar, this day is skipped in Italy, Poland, Portugal and Spain. |
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