A quiz question · easy
What happened to the dates 5-14 October 1582 in Rome, Spain, and Portugal?
Gregory XIII's reform deleted the accumulated error outright. Britain held out until 1752 — and the famous 'Give us our eleven days' riots are essentially myth.
Read the full story →From the story
The Gregorian Calendar Reform of 1582, When Ten Days Vanished From October In October 1582, by papal bull, Thursday the 4th was followed by Friday the 15th: ten days deleted to repair the drifting Julian calendar. Catholic states jumped at once; Protestant and Orthodox ones held out for decades or centuries — Britain until 1752, Russia until 1918 — leaving Europe running on two dates at once, and folklore insisting mobs rioted for their stolen eleven days.
Related questions
- What is actually known about the Roman crowd's famous 'thumbs down' death signal for gladiators?
- Galileo recanted his Copernican astronomy under threat of formal Inquisition torture on 22 June 1633. When did the Catholic Church formally rehabilitate him?
- Galileo Galilei was tried by the Roman Inquisition in 1633 for advocating that the Earth orbits the Sun. What was his sentence?
- What did the astronomer Le Gentil find on returning to Paris in 1771 after eleven years chasing the transits of Venus?