993

This article is about the year 993. For the car, see Porsche 993.

993 in various calendars

Gregorian calendar	993 CMXCIII
Ab urbe condita	1746
Armenian calendar	442 ԹՎ ՆԽԲ
Assyrian calendar	5743
Balinese saka calendar	914–915
Bengali calendar	399–400
Berber calendar	1943
Buddhist calendar	1537
Burmese calendar	355
Byzantine calendar	6501–6502
Chinese calendar	壬辰年 (Water  Dragon) 3690 or 3483     — to — 癸巳年 (Water  Snake) 3691 or 3484
Coptic calendar	709–710
Discordian calendar	2159
Ethiopian calendar	985–986
Hebrew calendar	4753–4754
Hindu calendars
- Vikram Samvat	1049–1050
- Shaka Samvat	914–915
- Kali Yuga	4093–4094
Holocene calendar	10993
Iranian calendar	371–372
Islamic calendar	382–383
Japanese calendar	Shōryaku 4 (正暦４年)
Javanese calendar	894–895
Julian calendar	993 CMXCIII
Korean calendar	3326
Minguo calendar	919 before ROC 民前919年
Nanakshahi calendar	−475
Seleucid era	1304/1305 AG
Thai solar calendar	1535–1536
Tibetan calendar	ཆུ་ཕོ་འབྲུག་ལོ་ (male Water-Dragon) 1119 or 738 or −34     — to — ཆུ་མོ་སྦྲུལ་ལོ་ (female Water-Snake) 1120 or 739 or −33

Duchy of Lower Lorraine (green) after 977.

97Year 993 ( CMXCIII ) was a common year starting on Sunday of the Julian calendar.

Events

By place

Europe

• Spring – The 12-year-old King Otto III gives the Sword of Saints Cosmas and Damian (also known as the Sword of Essen) as a gift to the convent in Essen. It symbolises the martyrdom of Cosmas and Damian, the patron saints of the city.
• Charles, duke of Lower Lorraine, dies in prison in Orléans (see 991). He is succeeded by his son Otto II, who inherits the full dukedom and pledges his allegiance to Otto III.

By topic

Religion

• July 4 – Pope John XV issues a decree canonizing the late Bishop Ulrich of Augsburg, the first recorded canonization of a saint.

Astronomy

• An increase in ¹⁴
  C concentration, recorded in tree rings, as well as ³⁶
  Cl and ¹⁰
  Be isotopes, recorded in ice cores, suggests that a strong solar storm may have hit the Earth in either 993 or 994.

^{[1] [ dubious – discuss ] [2] [3]}

Births

• Majd al-Dawla, Buyid emir of Rayy (d. 1029)
• Samuel ibn Naghrillah, Spanish Talmudic scholar
• Sultan al-Dawla, Buyid emir of Fars (d. 1024)

Deaths

• March 13 – Odo I, German nobleman
• October 19 – Conrad I, king of Burgundy
• December 9 – Egbert, archbishop of Trier
• Arnulf (or Aernout), count of Friesland
• Borrell II, count of Barcelona and Urgell
• Charles, duke of Lower Lorraine (b. 953)
• David II, prince of Tao-Klarjeti (Georgia)
• Landenulf II, Lombard prince of Capua
• Maelcairearda, king of Uí Briúin (Ireland)
• Minamoto no Masanobu, Japanese nobleman (b. 920)
• William I, French nobleman (b. 950)

References

1. Mekhaldi, Florian; Muscheler, Raimund; Adolphi, Florian; Aldahan, Ala; Beer, Jürg; McConnell, Joseph R.; Possnert, Göran; Sigl, Michael; Svensson, Anders; Synal, Hans-Arno; Welten, Kees C. (October 26, 2015). "Multiradionuclide evidence for the solar origin of the cosmic-ray events of AD 774/5 and 993/4". Nature Communications. 6 (1): 8611. doi: 10.1038/ncomms9611 . ISSN   2041-1723. PMC   4639793 . PMID   26497389.
2. Ancient solar storm pinpoints Viking settlement in Americas exactly 1,000 years ago (National Geographic)
3. Kuitems, Margot; Wallace, Birgitta L.; Lindsay, Charles; Scifo, Andrea; Doeve, Petra; Jenkins, Kevin; Lindauer, Susanne; Erdil, Pınar; Ledger, Paul M.; Forbes, Véronique; Vermeeren, Caroline; Friedrich, Ronny; Dee, Michael W. (January 20, 2022). "Evidence for European presence in the Americas in ad 1021". Nature. 601 (7893): 388–391. doi:10.1038/s41586-021-03972-8. ISSN   0028-0836. PMC   8770119 . PMID   34671168 . Retrieved February 27, 2026.