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This article is about the year 877. For the number, see 877 (number). For the area code, see Toll-free telephone number.
Millennium: 1st millennium
Centuries: 8th century9th century10th century
Decades: 840s  850s  860s  – 870s –  880s  890s  900s
Years: 874 875 876877878 879 880
877 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
877 in other calendars
Gregorian calendar 877
Ab urbe condita 1630
Armenian calendar 326
Assyrian calendar 5627
Bengali calendar 284
Berber calendar 1827
Buddhist calendar 1421
Burmese calendar 239
Byzantine calendar 6385–6386
Chinese calendar 丙申(Fire Monkey)
3573 or 3513
    — to —
丁酉年 (Fire Rooster)
3574 or 3514
Coptic calendar 593–594
Discordian calendar 2043
Ethiopian calendar 869–870
Hebrew calendar 4637–4638
Hindu calendars
 - Vikram Samvat 933–934
 - Shaka Samvat 799–800
 - Kali Yuga 3978–3979
Holocene calendar 10877
Iranian calendar 255–256
Islamic calendar 263–264
Japanese calendar Jōgan 19 / Gangyō 1
Julian calendar 877
Korean calendar 3210
Minguo calendar 1035 before ROC
Seleucid era 1188/1189 AG
Thai solar calendar 1419–1420

Year 877 (DCCCLXXVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.


By place[edit]



  • June – Charles sets out for Italy, accompanied by his wife Richilda and only a small number of his chief vassals. Orders are issued for an army to be assembled to join him a little later. Pope John VIII receives Charles at Vercelli. But at the same time Carloman, king of Bavaria and the East Mark, has also crossed the Alps into eastern Lombardy at the head of a powerful army. Charles hurries on the coronation of Richilda as Empress and sends her back to Gaul with orders for the reinforcements to hurry. However, the Frankish aristocracy is more concerned with the attacks by the Northmen in their country than the war with the Saracens in southern Italy. When the reinforcements do not arrive, Charles the Bald is compelled to return to West Francia. But on the road he dies in a poor hovel. It is said that he was poisoned by his Jewish doctor Zedekiah. Carloman of Bavaria, forced by an epidemic which broke out in his army, returns to Germany. When Louis the Stammerer receives news of the death of his father, Charles the Bald, he makes plans to go into West Francia to receive the oath of fidelity from his new subjects. On his way he learns that the magnates are refusing him obedience by rallying around Boso and the Abbot Hugh. The rebels are supported by his stepmother, the widowed Empress Richilda, and, as a sign of their displeasure, ravage the country. Boso is the brother of Richilda and duke of Provence. Hugh had been given the Abbey of Saint-Bertin by Louis’ father. Hincmar, Archbishop of Rheims, intercedes and the rebels agree to a settlement. The magnates, whose rights the king promises to recognize, all make their submissions.
  • December 8 – Archbishop Hincmar crowns Louis the Stammerer as King of West Francia in the church of Compiègne.
  • The Danes take Exeter, and settle in the Five Boroughs of England.
  • A flotilla of 120 Danish ships is lost in a storm off Swanage.[1]
  • Battle of Strangford Lough: In a battle between Dubgaill and Finngaill Vikings at Strangford Lough in Ireland, Halfdan Ragnarsson, leader of the Great Heathen Army, is killed in an attempt to claim the Kingdom of Dublin from Bárid mac Ímair (who is lamed).
  • Áed mac Cináeda succeeds his brother Causantín mac Cináeda as King of the Picts in Scotland.
  • Pope John VIII requests the help of Charles the Bald, King of West Francia, against attacks by the Saracens in Italy.


  • January 31 – Wang Kon, Korean emperor
  • Approx. dateLady Ise, Japanese poet



  1. ^ Stratton, J. M. (1969). Agricultural Records. John Baker. ISBN 0-212-97022-4.