819

819 in variouscalendars
Gregorian calendar	819; DCCCXIX
Ab urbe condita	1572
Armenian calendar	268; ԹՎ ՄԿԸ
Assyrian calendar	5569
Balinese saka calendar	740–741
Bengali calendar	226
Berber calendar	1769
Buddhist calendar	1363
Burmese calendar	181
Byzantine calendar	6327–6328
Chinese calendar	Mậu TuấtNăm (EarthDog); 3516 or 3309; — to —; Mình hợi năm (EarthPig); 3517 or 3310
Coptic calendar	535–536
Discordian calendar	1985
Ethiopian calendar	811–812
Hebrew calendar	4579–4580
Hindu calendars
-Vikram Samvat	875–876
-Shaka Samvat	740–741
-Kali Yuga	3919–3920
Holocene calendar	10819
Iranian calendar	197–198
Islamic calendar	203–204
Japanese calendar	Kōnin10; ( hoằng nhân １０ năm )
Javanese calendar	715–716
Julian calendar	819; DCCCXIX
Korean calendar	3152
Minguo calendar	1093 beforeROC; Dân trước 1093 năm
Nanakshahi calendar	−649
Seleucid era	1130/1131AG
Thai solar calendar	1361–1362
Tibetan calendar	Dương thổ cẩu năm; (male Earth-Dog); 945 or 564 or −208; — to —; Âm thổ heo năm; (female Earth-Pig); 946 or 565 or −207

Millennium:	1st millennium
Centuries:	8th century; 9th century; 10th century;
Decades:	790s; 800s; 810s; 820s; 830s;
Years:	816; 817; 818; 819; 820; 821; 822;

Year819(DCCCXIX) was acommon year starting on Saturday(link will display the full calendar) of theJulian calendar.

Events

Spring – EmperorLouis ImarriesJudith of BavariainAachen.^[1]She becomes his second wife and Empress of theFranks.Like many of the royalmarriagesof the time, Judith is selected through abridalshow.
Ljudevit,duke of theSlavs in Lower Pannonia,raises a rebellion against theFrankish Empire.Louis I sends an army led byCadolah of Friuli,but is defeated by the Pannonian Slavs.
Battle of Kupa:Ljudevit defeats the Frankish forces led byBorna,avassalof Louis I. He escapes with the help of his elitebodyguard.Ljudevit uses the momentum and invades theDuchy of Croatia.
Nominoe,a nobleBriton,is appointed by Louis I ascount of VannesinBrittany(approximate date).

August 11– CaliphAl-Ma'munreturns toBaghdad,securing the city's place as the capital of theAbbasid Caliphate.
Abbasid caliph Al-Ma'mun dismissesAl-Hasan ibn Sahlas governor of al-Iraq.

^Rogers, Barbara, Bernhard W. Scholz, and Nithardus. Carolingian Chronicles, Royal Frankish Annals Nithard's Histories. Ann Arbor: Univ. of Michigan, 1972. Print.