991

This article is about the year 991. For the number, see 991 (number). For the car, see Porsche 991.

Millennium:	1st millennium
Centuries:	9th century – 10th century – 11th century
Decades:	960s 970s 980s – 990s – 1000s 1010s 1020s
Years:	988 989 990 – 991 – 992 993 994

991 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments

991 in other calendars
Gregorian calendar	991 CMXCI
Ab urbe condita	1744
Armenian calendar	440 ԹՎ ՆԽ
Assyrian calendar	5741
Bengali calendar	398
Berber calendar	1941
Buddhist calendar	1535
Burmese calendar	353
Byzantine calendar	6499–6500
Chinese calendar	庚寅年 (Metal Tiger) 3687 or 3627 — to — 辛卯年 (Metal Rabbit) 3688 or 3628
Coptic calendar	707–708
Discordian calendar	2157
Ethiopian calendar	983–984
Hebrew calendar	4751–4752
Hindu calendars
- Vikram Samvat	1047–1048
- Shaka Samvat	913–914
- Kali Yuga	4092–4093
Holocene calendar	10991
Iranian calendar	369–370
Islamic calendar	380–381
Japanese calendar	Shōryaku 2 (正暦２年)
Julian calendar	991 CMXCI
Korean calendar	3324
Minguo calendar	921 before ROC 民前921年
Seleucid era	1302/1303 AG
Thai solar calendar	1533–1534

Wikimedia Commons has media related to 991.

Year 991 (CMXCI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.

Events

Bakjur tries to capture Aleppo, but is defeated, captured and executed by the Hamdanid emir Sa'd al-Dawla with Byzantine assistance.

August 10 – Battle of Maldon: The Anglo-Saxons are defeated by Viking invaders led by Olaf Tryggvason, later Olaf I of Norway.
Sweyn I of Denmark recovers his throne.