824

824 in various calendars
Gregorian calendar	824; DCCCXXIV
Ab urbe condita	1577
Armenian calendar	273; ԹՎ ՄՀԳ
Assyrian calendar	5574
Balinese saka calendar	745–746
Bengali calendar	231
Berber calendar	1774
Buddhist calendar	1368
Burmese calendar	186
Byzantine calendar	6332–6333
Chinese calendar	癸卯年 (Water Rabbit); 3521 or 3314; — to —; 甲辰年 (Wood Dragon); 3522 or 3315
Coptic calendar	540–541
Discordian calendar	1990
Ethiopian calendar	816–817
Hebrew calendar	4584–4585
Hindu calendars
- Vikram Samvat	880–881
- Shaka Samvat	745–746
- Kali Yuga	3924–3925
Holocene calendar	10824
Iranian calendar	202–203
Islamic calendar	208–209
Japanese calendar	Kōnin 15 / Tenchō 1; (天長元年)
Javanese calendar	720–721
Julian calendar	824; DCCCXXIV
Korean calendar	3157
Minguo calendar	1088 before ROC; 民前1088年
Nanakshahi calendar	−644
Seleucid era	1135/1136 AG
Thai solar calendar	1366–1367
Tibetan calendar	阴水兔年; (female Water-Rabbit); 950 or 569 or −203; — to —; 阳木龙年; (male Wood-Dragon); 951 or 570 or −202

Millennium:	1st millennium
Centuries:	8th century; 9th century ; 10th century;
Decades:	800s; 810s; 820s ; 830s; 840s;
Years:	821; 822; 823; 824 ; 825; 826; 827;

Year 824 (DCCCXXIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar.

Events

Battle of Roncevaux Pass: The Basques and Banu Qasi defeat a Frankish expedition, led by Counts Aznar and Ebles, in the Pyrenees.
Iñigo Arista revolts against the Frankish Empire, and establishes the Kingdom of Pamplona, with the support of the Caliphate of Córdoba.
November 11 – The Constitutio Romana establishes the authority of the Holy Roman Emperors over the papacy of Rome.

Vikings raid Bangor (modern Wales) for the second time, and plunder the bishopric (approximate date).

Zenpuku-ji, one of the oldest Tokyo temples, is founded by the Japanese Buddhist monk Kūkai.

February 11 – Pope Paschal I dies after a 7-year reign, and is succeeded by Eugene II, as the 99th pope of the Catholic Church.