# 849 > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/849 > Markdown URL: https://mediated.wiki/source/849.md > Source: https://en.wikipedia.org/wiki/849 > Source revision: 1341129155 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Calendar year Calendar year Years Millennium 1st millennium Centuries 8th century 9th century 10th century Decades 820s 830s 840s 850s 860s Years 846 847 848 849 850 851 852 v t e 849 by topic Leaders Political entities State leaders Religious leaders Categories Births Deaths Establishments v t e 849 in various calendars Gregorian calendar 849 DCCCXLIX Ab urbe condita 1602 Armenian calendar 298 ԹՎ ՄՂԸ Assyrian calendar 5599 Balinese saka calendar 770–771 Bengali calendar 255–256 Berber calendar 1799 Buddhist calendar 1393 Burmese calendar 211 Byzantine calendar 6357–6358 Chinese calendar 戊辰年 (Earth Dragon) 3546 or 3339 — to — 己巳年 (Earth Snake) 3547 or 3340 Coptic calendar 565–566 Discordian calendar 2015 Ethiopian calendar 841–842 Hebrew calendar 4609–4610 Hindu calendars - Vikram Samvat 905–906 - Shaka Samvat 770–771 - Kali Yuga 3949–3950 Holocene calendar 10849 Iranian calendar 227–228 Islamic calendar 234–235 Japanese calendar Kashō 2 (嘉祥２年) Javanese calendar 746–747 Julian calendar 849 DCCCXLIX Korean calendar 3182 Minguo calendar 1063 before ROC 民前1063年 Nanakshahi calendar −619 Seleucid era 1160/1161 AG Thai solar calendar 1391–1392 Tibetan calendar ས་ཕོ་འབྲུག་ལོ་ (male Earth-Dragon) 975 or 594 or −178 — to — ས་མོ་སྦྲུལ་ལོ་ (female Earth-Snake) 976 or 595 or −177 The [Battle of Ostia](/source/Battle_of_Ostia) at the [Vatican Museum](/source/Vatican_Museums) Year **849** (**[DCCCXLIX](/source/Roman_numerals)**) was a [common year starting on Tuesday](/source/Common_year_starting_on_Tuesday) of the [Julian calendar](/source/Julian_calendar). ## Events ### By place #### Europe - Summer – [Battle of Ostia](/source/Battle_of_Ostia): A [Saracen](/source/Saracen) Arab fleet from [Sardinia](/source/Sardinia) sets sail towards [Rome](/source/Rome). In response, [Pope Leo IV](/source/Pope_Leo_IV) forms a coalition of maritime Italian cities, including [Naples](/source/Duchy_of_Naples), [Amalfi](/source/Republic_of_Amalfi) and [Gaeta](/source/Duchy_of_Gaeta), led by Admiral [Caesar](/source/Caesar_of_Naples) — which is assembled off the re-[fortified](/source/Fortification) port of [Ostia](/source/Ostia_(Rome)) — and repels the Saracen [marauders](/source/Piracy). Their navy is scattered, resulting in many sunken vessels. Rome is saved from plunder and the expansion of the [Aghlabids](/source/Aghlabids).[1] - Frankish forces under King [Charles the Bald](/source/Charles_the_Bald) invade southern [France](/source/France), and conquer the territory of [Toulouse](/source/County_of_Toulouse). He appoints [Fredelo](/source/Fredelo%2C_Count_of_Toulouse) as count (*[comté](/source/Count)*) of Toulouse, who founds the [Rouergue](/source/Rouergue) dynasty. [Aquitaine](/source/Aquitaine) is submitted to the [West Frankish Kingdom](/source/West_Francia). #### Abbasid Caliphate - The [Armenian](/source/Armenians) prince [Bagrat II](/source/Bagrat_II_Bagratuni) begins a rebellion against Caliph [Al-Mutawakkil](/source/Al-Mutawakkil), of the [Abbasid Caliphate](/source/Abbasid_Caliphate). #### Asia - In the Chinese capital city of [Chang'an](/source/Chang'an), an imperial prince is [impeached](/source/Impeachment) during the [Tang Dynasty](/source/Tang_dynasty) from his position by officials at court, for erecting a building that obstructs a street in the northwesternmost ward in [South Central Chang'an](/source/Chang'an#South_Central_Chang'an). - King [Pyinbya](/source/Pyinbya) of [Burma](/source/Myanmar) founds the city of [Bagan](/source/Bagan), located in the [Mandalay Region](/source/Mandalay_Region), and fortifies it with walls. ## Births - May – [Isma'il ibn Ahmad](/source/Isma'il_ibn_Ahmad), Muslim [emir](/source/Emir) (d. [907](/source/907)) - [Alfred the Great](/source/Alfred_the_Great), king of [Wessex](/source/Wessex) (d. [899](/source/899)) - [Eric Anundsson](/source/Eric_Anundsson), king of [Sweden](/source/Sweden) (d. [882](/source/882)) ## Deaths - [January 15](/source/January_15) – [Theophylact](/source/Theophylact_(son_of_Michael_I)), Byzantine co-emperor (b. c.[793](/source/793)) - [Ali ibn Muhammad](/source/Ali_ibn_Muhammad), Idrisid emir of Morocco[2] - c. February – [Harthamah ibn al-Nadr al-Jabali](/source/Harthamah_ibn_al-Nadr_al-Jabali), Muslim governor - June – [Ali ibn al-Madini](/source/Ali_ibn_al-Madini), Muslim [scholar](/source/Ulama) (b. [778](/source/778)) - c. June? – [Ragenar](/source/Ragenar), bishop of [Amiens](/source/Roman_Catholic_Diocese_of_Amiens) - [August 18](/source/August_18) – [Walafrid Strabo](/source/Walafrid_Strabo), Frankish [theological](/source/Theology) writer - [Conaing mac Flainn](/source/Conaing_mac_Flainn), king of [Brega](/source/Kings_of_Brega) ([Ireland](/source/Ireland)) - [Connagan](/source/Connagan), bishop of [Clonfert](/source/Clonfert) (Ireland) - [Guntbold](/source/Guntbold), archbishop of [Rouen](/source/Roman_Catholic_Archdiocese_of_Rouen) - [Itakh](/source/Itakh) (Ītākh al-Khazarī), Muslim general - [Zhang Zhongwu](/source/Zhang_Zhongwu), Chinese general ## References 1. **[^](#cite_ref-1)** Benvenuti, Gino (1985). *Le Repubbliche Marinare. Amalfi, Pisa, Genova e Venezia*. Rome: Newton & Compton Editori. p. 15. [ISBN](/source/ISBN_(identifier)) [88-8289-529-7](https://en.wikipedia.org/wiki/Special:BookSources/88-8289-529-7). 1. **[^](#cite_ref-2)** Eustache, D. (1971). ["Idrīsids"](https://doi.org/10.1163/1573-3912_islam_SIM_3495). In [Lewis, B.](/source/Bernard_Lewis); [Ménage, V. L.](/source/Victor_Louis_M%C3%A9nage); [Pellat, Ch.](/source/Charles_Pellat) & [Schacht, J.](/source/Joseph_Schacht) (eds.). *[The Encyclopaedia of Islam, Second Edition](/source/The_Encyclopaedia_of_Islam#2nd_edition,_EI2).*Volume III:*H–Iram*. Leiden: E. J. Brill. pp. 1035–1037. [doi](/source/Doi_(identifier)):[10.1163/1573-3912_islam_SIM_3495](https://doi.org/10.1163%2F1573-3912_islam_SIM_3495). [OCLC](/source/OCLC_(identifier)) [495469525](https://search.worldcat.org/oclc/495469525). --- Adapted from the Wikipedia article [849](https://en.wikipedia.org/wiki/849) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/849?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.