825

825 (DCCCXXV) was a common year starting on Sunday of the Julian calendar, the 825th year of the Common Era (CE) and Anno Domini (AD) designations, the 825th year of the 1st millennium, the 25th year of the 9th century, and the 6th year of the 820s decade. As of the start of 825, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	790s  800s  810s  – 820s –  830s  840s  850s
Years:	822 823 824 – 825 – 826 827 828

825 in other calendars

Gregorian calendar	825 DCCCXXV
Ab urbe condita	1578
Armenian calendar	274 ԹՎ ՄՀԴ
Assyrian calendar	5575
Balinese saka calendar	746–747
Bengali calendar	232
Berber calendar	1775
Buddhist calendar	1369
Burmese calendar	187
Byzantine calendar	6333–6334
Chinese calendar	甲辰年 (Wood Dragon) 3521 or 3461     — to — 乙巳年 (Wood Snake) 3522 or 3462
Coptic calendar	541–542
Discordian calendar	1991
Ethiopian calendar	817–818
Hebrew calendar	4585–4586
Hindu calendars
- Vikram Samvat	881–882
- Shaka Samvat	746–747
- Kali Yuga	3925–3926
Holocene calendar	10825
Iranian calendar	203–204
Islamic calendar	209–210
Japanese calendar	Tenchō 2 (天長２年)
Javanese calendar	721–722
Julian calendar	825 DCCCXXV
Korean calendar	3158
Minguo calendar	1087 before ROC 民前1087年
Nanakshahi calendar	−643
Seleucid era	1136/1137 AG
Thai solar calendar	1367–1368
Tibetan calendar	阳木龙年 (male Wood-Dragon) 951 or 570 or −202     — to — 阴木蛇年 (female Wood-Snake) 952 or 571 or −201

Events

• Egbert of Wessex defeats Beornwulf of Mercia at Ellandun. Kent, Surrey, Sussex and Essex submit to Wessex and East Anglia acknowledges Egbert as overlord.
• Emperor Louis the Pious of the Franks wars against the Wends and Sorbs.

Births

• Louis II, Holy Roman Emperor (d. 875)

Deaths