What Happened in October 1582
Historical Events
Gregory Conquers Julius Caesar
Oct 4 Last Julian calendar day in Spain, Portugal and pontifical states. To sync to the Gregorian calendar, 10 days are skipped and the next date is Oct 15.
- Oct 15 Gregorian calendar introduced in Spain, Portugal and pontifical states, after skipping 10 days from October 4 to sync the calendar to the solar year and compensate for the drift that had occurred due to the Julian calendar having too many leap days
Famous Birthdays
- Oct 17 Johann Gerhard, German Lutheran leader (d. 1637)
- Oct 19 Dmitry Ivanovich [Dmitry of Uglich], Russian Tsarevich and son of Ivan IV "the Terrible" (d. 1591)
- Oct 21 John Ernest of Nassau-Siegen, Germany military officer and son of John VII, born in Siegen (d. 1617)
Famous Deaths
- Oct 4 Theresia van Avila, Spanish mystic writer, dies
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Aldo Pusey
Update: 2024-09-18