|549 by topic|
|Ab urbe condita||1302|
|Balinese saka calendar||470–471|
|Chinese calendar||戊辰年 (Earth Dragon)|
3245 or 3185
— to —
己巳年 (Earth Snake)
3246 or 3186
|- Vikram Samvat||605–606|
|- Shaka Samvat||470–471|
|- Kali Yuga||3649–3650|
|Iranian calendar||73 BP – 72 BP|
|Islamic calendar||75 BH – 74 BH|
|Minguo calendar||1363 before ROC|
|Seleucid era||860/861 AG|
|Thai solar calendar||1091–1092|
675 or 294 or −478
— to —
676 or 295 or −477
Year 549 (DXLIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 549 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- Siege of Rome: The Ostrogoths under Totila besiege Rome for the third time, after Belisarius has returned to Constantinople. He offers a peace agreement, but this is rejected by Emperor Justinian I.
- Totila conquers the city of Perugia (Central Italy) and stations a Gothic garrison. He takes bishop Herculanus prisoner, and orders him to be completely flayed. The Ostrogoth soldier asked to perform this gruesome execution shows pity, and decapitates Herculanus before the skin on every part of his body is removed.
- In the Circus Maximus, first and largest circus in Rome, the last chariot races are held.
- January - At the Battle of Ciiil Conaire in Ireland, Ailill Inbanda and his brother are defeated and killed.
- Agila I succeeds Theudigisel as king of the Visigoths, after he is murdered by a group of conspirators during a banquet in Seville.
- Spring – Lazic War: The Byzantine army under Bessas combines forces with King Gubazes II, and defeats the Persians in Lazica (modern Georgia) in a surprise attack. The survivors retreat into Caucasian Iberia.
- The Romans unsuccessfully besiege Petra, Lazica.
- c. 549–564 – Transfiguration of Christ, mosaic in the apse, Church of the Virgin, Saint Catherine's Monastery in Egypt, is made.
- Fifth Council of Orléans: Nine archbishops and forty-one bishops pronounce an anathema against the errors of Nestorius and Eutyches.
- Bishop Maximianus of Ravenna consecrates the Basilica of Sant'Apollinare in Classe.
- The Roman Catholic Diocese of Ossory (which still exists) is founded in Ireland.
- January – Ailill Inbanda, king of Connacht (Ireland) (killed in battle)
- February 16 – Zhu Yi, official of the Liang dynasty (b. 483)
- December 12 – Finnian of Clonard, Irish monastic saint (b. 470)
- exact date unknown
- Ciarán of Clonmacnoise, Irish monastic saint
- Gao Cheng, official and regent of Eastern Wei (b. 521)
- Herculanus, bishop of Perugia
- Theudigisel, king of the Visigoths (assassinated)
- Túathal Máelgarb, king of Tara (Ireland)
- Wu Di, emperor of the Liang dynasty (b. 464)
- Xiao Zhengde, prince of the Liang dynasty
- Xu Zhaopei, princess of the Liang dynasty
- Saint of the Day, November 7: Herculanus of Perugia at SaintPatrickDC.org
- O'Donnell, James (2008). The Ruin of the Roman Empire. New York: HarperCollins. p. 266. ISBN 978-0-06-078737-0.
- T. M. Charles-Edwards (2006). The Chronicle of Ireland: Introduction, text. Liverpool University Press. pp. 99–. ISBN 978-0-85323-959-8.
- Isidore of Seville, Historia de regibus Gothorum, Vandalorum et Suevorum, chapter 44. Translation by Guido Donini and Gordon B. Ford, Isidore of Seville's History of the Goths, Vandals, and Suevi, second revised edition (Leiden: E. J. Brill, 1970), p.21
- Martindale et al.
- Council of Orléans at the Catholic Encyclopedia
- P.W. Joyce (22 March 2018). A Concise History of Ireland. Charles River Editors. p. 97. ISBN 978-1-61430-701-3.
- Ancient and Early Medieval Chinese Literature (vol.3 & 4): A Reference Guide, Part Three & Four. BRILL. 22 September 2014. p. 1697. ISBN 978-90-04-27185-2.
- Anna Welch (15 October 2015). Liturgy, Books and Franciscan Identity in Medieval Umbria. BRILL. p. 188. ISBN 978-90-04-30467-3.
- Kenneth Baxter Wolf (1999). Conquerors and Chroniclers of Early Medieval Spain. Liverpool University Press. p. 99. ISBN 978-0-85323-554-5.
- Pádraig Ó Riain (1985). Corpus genealogiarum sanctorum Hiberniae. Dublin Institute for Advanced Studies.
- Peter Connolly; John Gillingham; John Lazenby (13 May 2016). The Hutchinson Dictionary of Ancient and Medieval Warfare. Routledge. p. 191. ISBN 978-1-135-93674-7.
- Ancient and Early Medieval Chinese Literature (vol.3 & 4): A Reference Guide, Part Three & Four. BRILL. 22 September 2014. p. 1552. ISBN 978-90-04-27185-2.
- Wanton Women in Late-Imperial Chinese Literature: Models, Genres, Subversions and Traditions. BRILL. 27 March 2017. p. 36. ISBN 978-90-04-34062-6.