1234

A drawing of the Mongol conquest of the Jin Dynasty. The Dynasty collapsed in 1234.

This article is about the year 1234. For other uses, see 1234 (disambiguation).

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1200s 1210s 1220s – 1230s – 1240s 1250s 1260s
Years:	1231 1232 1233 – 1234 – 1235 1236 1237

1234 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Art and literature
1234 in poetry

1234 in other calendars
Gregorian calendar	1234 MCCXXXIV
Ab urbe condita	1987
Armenian calendar	683 ԹՎ ՈՁԳ
Assyrian calendar	5984
Bengali calendar	641
Berber calendar	2184
English Regnal year	18 Hen. 3 – 19 Hen. 3
Buddhist calendar	1778
Burmese calendar	596
Byzantine calendar	6742–6743
Chinese calendar	癸巳年 (Water Snake) 3930 or 3870 — to — 甲午年 (Wood Horse) 3931 or 3871
Coptic calendar	950–951
Discordian calendar	2400
Ethiopian calendar	1226–1227
Hebrew calendar	4994–4995
Hindu calendars
- Vikram Samvat	1290–1291
- Shaka Samvat	1156–1157
- Kali Yuga	4335–4336
Holocene calendar	11234
Igbo calendar	234–235
Iranian calendar	612–613
Islamic calendar	631–632
Japanese calendar	Tenpuku 2 / Bunryaku 1 (文暦元年)
Julian calendar	1234 MCCXXXIV
Korean calendar	3567
Minguo calendar	678 before ROC 民前678年
Thai solar calendar	1776–1777

Wikimedia Commons has media related to 1234.

Year 1234 (MCCXXXIV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.

Events

The Manden region rises against the Kaniaga kingdom. This is the beginning of a process that will lead to the rise of the Mali empire.

February 9 – Mongol conquest of the Jin Dynasty: In the Siege of Caizhou, Song Dynasty Chinese and Mongolian armies occupy the Jurchen capital at Caizhou and the Emperor Aizong of Jin commits suicide, marking the collapse of the Jin Dynasty.

Upon the death of Knut Långe, the deposed Erik Eriksson returns as king of Sweden, possibly after a small war between the two of them. It is also possible that Knut dies of natural causes and Erik peacefully then returns as king.
Pope Gregory IX calls for a crusade against Bosnia, and replaces the Bogumil Bosnian Bishop with a Catholic Dominican German, Johann.
King Andrew II of Hungary proclaims herzeg Coloman as Ban of Bosnia, who passes it on to Prijezda, a cousin of Ban Matej Ninoslav (1234 to 1239), despite Matej being the legitimate Ban of Bosnia.
Sancho II of Portugal conquers the cities of Aljustrel and Mértola over the Muslims.^[1]

↑ Picard, Christophe (2000). Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique. Paris: Maisonneuve & Larose. p. 110. ISBN 2-7068-1398-9.