1238

1238 (MCCXXXVIII) was a common year starting on Friday of the Julian calendar, the 1238th year of the Common Era (CE) and Anno Domini (AD) designations, the 238th year of the 2nd millennium, the 38th year of the 13th century, and the 9th year of the 1230s decade. As of the start of 1238, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1200s  1210s  1220s  – 1230s –  1240s  1250s  1260s
Years:	1235 1236 1237 – 1238 – 1239 1240 1241

1238 in other calendars

Gregorian calendar	1238 MCCXXXVIII
Ab urbe condita	1991
Armenian calendar	687 ԹՎ ՈՁԷ
Assyrian calendar	5988
Balinese saka calendar	1159–1160
Bengali calendar	645
Berber calendar	2188
English Regnal year	22 Hen. 3 – 23 Hen. 3
Buddhist calendar	1782
Burmese calendar	600
Byzantine calendar	6746–6747
Chinese calendar	丁酉年 (Fire Rooster) 3934 or 3874     — to — 戊戌年 (Earth Dog) 3935 or 3875
Coptic calendar	954–955
Discordian calendar	2404
Ethiopian calendar	1230–1231
Hebrew calendar	4998–4999
Hindu calendars
- Vikram Samvat	1294–1295
- Shaka Samvat	1159–1160
- Kali Yuga	4338–4339
Holocene calendar	11238
Igbo calendar	238–239
Iranian calendar	616–617
Islamic calendar	635–636
Japanese calendar	Katei 4 / Ryakunin 1 (暦仁元年)
Javanese calendar	1147–1148
Julian calendar	1238 MCCXXXVIII
Korean calendar	3571
Minguo calendar	674 before ROC 民前674年
Nanakshahi calendar	−230
Thai solar calendar	1780–1781
Tibetan calendar	阴火鸡年 (female Fire-Rooster) 1364 or 983 or 211     — to — 阳土狗年 (male Earth-Dog) 1365 or 984 or 212

Events

• Battle of the Sit River was fought in the northern part of the present-day Yaroslavl Oblast of Russia between the Mongol Hordes of Batu Khan and the Russians under Yuri II of Vladimir during the Mongol invasion of Russia.
• In the Iberian peninsula, James I of Aragon captures the city of Valencia September 28 from the Moors; the Moors retreat to Granada.
• Mongols seize Moscow, at that time a small town.
• Peterborough Cathedral is consecrated.
• The Khmers are expelled from Luang Phrabang in Laos.
• The Sukhothai kingdom is founded in Thailand.
• The seat of the patriarchate of Aquileia is transferred to Udine.
• Simon de Montfort marries Eleanor, sister of Henry III of England.
• The Battle of Örlygsstaðir takes place – it is the largest armed conflict in the history of Iceland