986

986 in various calendars
Gregorian calendar	986; CMLXXXVI
Ab urbe condita	1739
Armenian calendar	435; ԹՎ ՆԼԵ
Assyrian calendar	5736
Balinese saka calendar	907–908
Bengali calendar	392–393
Berber calendar	1936
Buddhist calendar	1530
Burmese calendar	348
Byzantine calendar	6494–6495
Chinese calendar	乙酉年 (Wood Rooster); 3683 or 3476; — to —; 丙戌年 (Fire Dog); 3684 or 3477
Coptic calendar	702–703
Discordian calendar	2152
Ethiopian calendar	978–979
Hebrew calendar	4746–4747
Hindu calendars
- Vikram Samvat	1042–1043
- Shaka Samvat	907–908
- Kali Yuga	4086–4087
Holocene calendar	10986
Iranian calendar	364–365
Islamic calendar	375–376
Japanese calendar	Kanna 2; (寛和２年)
Javanese calendar	887–888
Julian calendar	986; CMLXXXVI
Korean calendar	3319
Minguo calendar	926 before ROC; 民前926年
Nanakshahi calendar	−482
Seleucid era	1297/1298 AG
Thai solar calendar	1528–1529
Tibetan calendar	阴木鸡年; (female Wood-Rooster); 1112 or 731 or −41; — to —; 阳火狗年; (male Fire-Dog); 1113 or 732 or −40

Year 986 (CMLXXXVI) was a common year starting on Friday of the Julian calendar.

Events

August 17 – Battle of the Gates of Trajan: Emperor Basil II leads a Byzantine expeditionary force (30,000 men) against the Bulgarians to capture the fortress city of Sredets. After a siege of 20 days, Basil is forced to retreat from the Sofia Valley towards the town of Ihtiman (through a passage known as the Gate of Trajan). The Bulgarians under Tsar Samuel ambush and defeat the Byzantine forces. Only the elite Varangian Guard escapes with heavy casualties and leads Basil to safety through secondary routes.^[1]

March 2 – King Lothair III (or Lothair IV) dies after a 32-year reign at Laon. He is succeeded by his 19-year-old son Louis V as ruler of the West Frankish Kingdom.
Summer: Al-Mansur, the de facto ruler of Al-Andalus, continues his effort in the north of the Iberian Peninsula and plunders the city of Coimbra (modern Portugal).
Empress Theophanu, accompanied by the 6-year-old King Otto III and Henry II of Bavaria, leads a campaign against Bohemia and the Slavs on the Elbe frontier.
Mieszko I, duke (de facto) ruler of Poland, pledges his allegiance to Otto III and the Holy Roman Empire. He promises assistance in Otto's war against the Slavs.
Battle of Hjörungavágr: The Earls of Lade under Haakon Sigurdsson (the Powerful) defeat a Danish invasion force led by the Jomsvikings in western Norway.
Winter – King Harald II (Bluetooth) dies after a 28-year reign (driven into exile). He is succeeded by his son Sweyn Forkbeard as ruler of Denmark and Norway.

Winter – Sabuktigin, emir of the Ghaznavid Dynasty, invades India. He expands the emirate between the Kabul Valley and the Indus River after defeating King Jayapala.

Emperor Kazan abdicates the throne after a political struggle from the Fujiwara family. He is succeeded by his 6-year-old cousin Ichijō as the 66th emperor (tennō) of Japan.
Summer – Chi Go Pass Campaign: The Song Dynasty sends armies on three fronts against the Liao Dynasty in the Sixteen Prefectures, but they are defeated on all fronts.

Bjarni Herjólfsson, a Norse-Icelandic merchant captain and explorer, becomes the first inhabitant of the Old World to discover the mainland of the Americas.

One of the Four Great Books of Song, the Chinese encyclopedia Finest Blossoms in the Garden of Literature is finished, with a total of 1,000 volumes.

March 2 – Lothair III, king of the West Frankish Kingdom (b. 941)
May 25 – Abd al-Rahman al-Sufi, Persian astronomer (b. 903)
August – Yang Ye, Chinese general and governor (jiedushi)
August 15 – Minnborinus, Irish missionary and abbot
unknown date
- Bahram ibn Ardashir al-Majusi, Buyid official and general^[2]
- Cadwallon ab Ieuaf, king of Gwynedd (Wales)^[3]
probable
- Æthelstan Mannessune, English landowner
- Bobo, Frankish warrior and pilgrim^[4]

^ Zlatarski, History of the Bulgarian state, v. I, ch. 2, pp. 674–675.
^ Kraemer, Joel L. (1992). Humanism in the Renaissance of Islam: The Cultural Revival During the Buyid Age. BRILL. p. 195. ISBN 9789004097360.
^ David Peter Kirby; Ann Williams; Alfred P. Smyth (1991). A Biographical Dictionary of Dark Age Britain: England, Scotland, and Wales, C. 500-c. 1050. Seaby. p. 179.
^ Murray, Alexander (2002). Reason and Society in the Middle Ages. Oxford: Clarendon Press. p. 376.

Gregorian calendar	986 CMLXXXVI
Ab urbe condita	1739
Armenian calendar	435 ԹՎ ՆԼԵ
Assyrian calendar	5736
Balinese saka calendar	907–908
Bengali calendar	392–393
Berber calendar	1936
Buddhist calendar	1530
Burmese calendar	348
Byzantine calendar	6494–6495
Chinese calendar	乙酉年 (Wood Rooster) 3683 or 3476 — to — 丙戌年 (Fire Dog) 3684 or 3477
Coptic calendar	702–703
Discordian calendar	2152
Ethiopian calendar	978–979
Hebrew calendar	4746–4747
Hindu calendars
- Vikram Samvat	1042–1043
- Shaka Samvat	907–908
- Kali Yuga	4086–4087
Holocene calendar	10986
Iranian calendar	364–365
Islamic calendar	375–376
Japanese calendar	Kanna 2 (寛和２年)
Javanese calendar	887–888
Julian calendar	986 CMLXXXVI
Korean calendar	3319
Minguo calendar	926 before ROC 民前926年
Nanakshahi calendar	−482
Seleucid era	1297/1298 AG
Thai solar calendar	1528–1529
Tibetan calendar	阴木鸡年 (female Wood-Rooster) 1112 or 731 or −41 — to — 阳火狗年 (male Fire-Dog) 1113 or 732 or −40

Years
Millennium
1st millennium
Centuries
9th century 10th century 11th century
Decades
960s 970s 980s 990s 1000s
Years
983 984 985 986 987 988 989
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986 by topic
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Categories
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