Pope Gregory IV decrees All Saints Day a holy day of obligation for the Catholic religion
Pope Gregory IV decrees All Saints Day a holy day of obligation for the Catholic religion
Pope Gregory IV decrees All Saints Day a holy day of obligation for the Catholic religion
Events After
Pactum Sicardi is signed, a peace agreement between the Principality of Benevento and the Duchy of Naples
Pactum Sicardi is signed, a peace agreement between the Principality of Benevento and the Duchy of Naples
15th recorded perihelion passage of Halley's Comet
15th recorded perihelion passage of Halley's Comet
Comet 1P/837 F1 (Halley) approaches within 0.0334 AU of Earth
Comet 1P/837 F1 (Halley) approaches within 0.0334 AU of Earth
Best view of Halley's Comet in 2,000 years
Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years, though with the majority of recorded apparitions (25 of 30)...
Battle at Fontenay: Louis & Charles beat their brother Lotharius I
Battle at Fontenay: Louis & Charles beat their brother Lotharius I
More from the 830s
15th recorded perihelion passage of Halley's Comet
15th recorded perihelion passage of Halley's Comet
Comet 1P/837 F1 (Halley) approaches within 0.0334 AU of Earth
Comet 1P/837 F1 (Halley) approaches within 0.0334 AU of Earth
Best view of Halley's Comet in 2,000 years
Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years, though with the majority of recorded apparitions (25 of 30)...
Pactum Sicardi is signed, a peace agreement between the Principality of Benevento and the Duchy of Naples
Pactum Sicardi is signed, a peace agreement between the Principality of Benevento and the Duchy of Naples
Frequently Asked Questions
- What happened on November 1, 835?
- Pope Gregory IV decrees All Saints Day a holy day of obligation for the Catholic religion