en 884

884 in various calendars
Gregorian calendar	884; DCCCLXXXIV
Ab urbe condita	1637
Armenian calendar	333; ԹՎ ՅԼԳ
Assyrian calendar	5634
Balinese saka calendar	805–806
Bengali calendar	291
Berber calendar	1834
Buddhist calendar	1428
Burmese calendar	246
Byzantine calendar	6392–6393
Chinese calendar	癸卯年 (Water Rabbit); 3581 or 3374; — to —; 甲辰年 (Wood Dragon); 3582 or 3375
Coptic calendar	600–601
Discordian calendar	2050
Ethiopian calendar	876–877
Hebrew calendar	4644–4645
Hindu calendars
- Vikram Samvat	940–941
- Shaka Samvat	805–806
- Kali Yuga	3984–3985
Holocene calendar	10884
Iranian calendar	262–263
Islamic calendar	270–271
Japanese calendar	Gangyō 8; (元慶８年)
Javanese calendar	782–783
Julian calendar	884; DCCCLXXXIV
Korean calendar	3217
Minguo calendar	1028 before ROC; 民前1028年
Nanakshahi calendar	−584
Seleucid era	1195/1196 AG
Thai solar calendar	1426–1427
Tibetan calendar	阴水兔年; (female Water-Rabbit); 1010 or 629 or −143; — to —; 阳木龙年; (male Wood-Dragon); 1011 or 630 or −142

Millennium:	1st millennium
Centuries:	8th century; 9th century ; 10th century;
Decades:	860s; 870s; 880s ; 890s; 900s;
Years:	881; 882; 883; 884 ; 885; 886; 887;

Events

March 1 – Diego Rodríguez Porcelos, count of Castile, founds and repopulates (repoblación) Burgos and Ubierna (Northern Spain), under the mandate of King Alfonso III of Asturias.^[1]
Summer – King Carloman II reverts to the former fall-back of 'pay and pray', buying (with Danegeld) a truce at Amiens, while he raises 12,000 lbs of silver for the Vikings to depart.
December 12 – Carloman II dies after a hunting accident. He is succeeded by his cousin, Emperor Charles the Fat, who for the last time reunites the Frankish Empire.

King Æthelred II of Mercia marries Princess Æthelflæd, daughter of King Alfred the Great. He accepts Wessex overlordship, and demotes himself to become "Lord of the Mercians".

January 6 – Hasan ibn Zayd, founder of the Zaydid Dynasty, dies after a 20-year reign at Amul. He is succeeded by his brother Muhammad, as emir of Tabaristan.
May 10 – Ahmad ibn Tulun, founder of the Tulunid Dynasty, dies after a 15-year reign. He is succeeded by his son Khumarawayh, as ruler of Egypt and Syria.
Fall – The Arabs sack the abbey of Monte Cassino in two raids (September and November). The bulk of the monastic community flee to Teano (Campania).

March 4 – Emperor Yōzei is forced to abdicate the throne by Fujiwara no Mototsune, chancellor (kampaku) of the Japanese royal court. He is succeeded by his great-uncle Kōkō.
The Huang Chao rebellion is suppressed by forces of Emperor Xi Zong, with the help of the Shatuo Turks. Chinese warlords rule the country, instead of the imperial government.

May 15 – Pope Marinus II dies at Rome, after a reign of less than 1½ years. He is succeeded by Adrian III (also referred to as Hadrian III), as the 109th pope of the Catholic Church.

January 6 – Hasan ibn Zayd, Muslim emir of Tabaristan
May 10 – Ahmad ibn Tulun, Governor of Egypt and founder of the Tulunid dynasty (b. 835)
May 15 – Marinus I, pope of the Catholic Church
June 11 – Shi Jingsi, general of the Tang Dynasty
June 29 – Yang Shili, general of the Tang Dynasty
July 13 – Huang Chao, Chinese rebel leader (b. 835)
September – Buran bint al-Hasan ibn Sahl, Abbasid consort (b. 807)^[2]
October 12 – Tsunesada, Japanese prince (b. 825)
December 12 – Carloman II, king of the West Frankish Kingdom
Al-Abbas ibn Ahmad ibn Tulun, Tulunid prince and usurper
Colcu mac Connacan, Irish abbot and historian
Dawud al-Zahiri, Muslim scholar (or 883)
Empress Cao (Huang Chao's wife)
Domnall mac Muirecáin, king of Leinster
Li Changyan, Chinese warlord and governor
Shang Rang, Chinese rebel leader (approximate date)
Wang Duo, chancellor of the Tang Dynasty
Zhou Ji, Chinese warlord (approximate date)

^ Martínez Díez 2005, pp. 163 and 178.
^ Abbas, Ihsan (1989). "BŪRĀN". In Yarshater, Ehsan (ed.). Encyclopædia Iranica. Vol. IV/5: Brick–Burial II. London and New York: Routledge & Kegan Paul. pp. 553–554. ISBN 978-0-71009-128-4.

Martínez Díez, Gonzalo (2005). El Condado de Castilla (711-1038). La historia frente a la leyenda (in Spanish). Valladolid: Junta de Castilla y León. ISBN 84-9718-275-8.