843

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	810s  820s  830s  – 840s –  850s  860s  870s
Years:	840 841 842 – 843 – 844 845 846

843 in other calendars

Gregorian calendar	843 DCCCXLIII
Ab urbe condita	1596
Armenian calendar	292 ԹՎ ՄՂԲ
Assyrian calendar	5593
Balinese saka calendar	764–765
Bengali calendar	250
Berber calendar	1793
Buddhist calendar	1387
Burmese calendar	205
Byzantine calendar	6351–6352
Chinese calendar	壬戌年 (Water Dog) 3539 or 3479     — to — 癸亥年 (Water Pig) 3540 or 3480
Coptic calendar	559–560
Discordian calendar	2009
Ethiopian calendar	835–836
Hebrew calendar	4603–4604
Hindu calendars
- Vikram Samvat	899–900
- Shaka Samvat	764–765
- Kali Yuga	3943–3944
Holocene calendar	10843
Iranian calendar	221–222
Islamic calendar	228–229
Japanese calendar	Jōwa 10 (承和１０年)
Javanese calendar	740–741
Julian calendar	843 DCCCXLIII
Korean calendar	3176
Minguo calendar	1069 before ROC 民前1069年
Nanakshahi calendar	−625
Seleucid era	1154/1155 AG
Thai solar calendar	1385–1386
Tibetan calendar	阳水狗年 (male Water-Dog) 969 or 588 or −184     — to — 阴水猪年 (female Water-Pig) 970 or 589 or −183

843 (DCCCXLIII) was a common year starting on Monday of the Julian calendar, the 843rd year of the Common Era (CE) and Anno Domini (AD) designations, the 843rd year of the 1st millennium, the 43rd year of the 9th century, and the 4th year of the 840s decade. As of the start of 843, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• The Treaty of Verdun divides the Carolingian empire into three parts.