1142

1142 (MCXLII) was a common year starting on Thursday of the Julian calendar, the 1142nd year of the Common Era (CE) and Anno Domini (AD) designations, the 142nd year of the 2nd millennium, the 42nd year of the 12th century, and the 3rd year of the 1140s decade. As of the start of 1142, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1110s  1120s  1130s  – 1140s –  1150s  1160s  1170s
Years:	1139 1140 1141 – 1142 – 1143 1144 1145

1142 in other calendars

Gregorian calendar	1142 MCXLII
Ab urbe condita	1895
Armenian calendar	591 ԹՎ ՇՂԱ
Assyrian calendar	5892
Balinese saka calendar	1063–1064
Bengali calendar	549
Berber calendar	2092
English Regnal year	7 Ste. 1 – 8 Ste. 1
Buddhist calendar	1686
Burmese calendar	504
Byzantine calendar	6650–6651
Chinese calendar	辛酉年 (Metal Rooster) 3838 or 3778     — to — 壬戌年 (Water Dog) 3839 or 3779
Coptic calendar	858–859
Discordian calendar	2308
Ethiopian calendar	1134–1135
Hebrew calendar	4902–4903
Hindu calendars
- Vikram Samvat	1198–1199
- Shaka Samvat	1063–1064
- Kali Yuga	4242–4243
Holocene calendar	11142
Igbo calendar	142–143
Iranian calendar	520–521
Islamic calendar	536–537
Japanese calendar	Eiji 2 / Kōji 1 (康治元年)
Javanese calendar	1048–1049
Julian calendar	1142 MCXLII
Korean calendar	3475
Minguo calendar	770 before ROC 民前770年
Nanakshahi calendar	−326
Seleucid era	1453/1454 AG
Thai solar calendar	1684–1685
Tibetan calendar	阴金鸡年 (female Iron-Rooster) 1268 or 887 or 115     — to — 阳水狗年 (male Water-Dog) 1269 or 888 or 116

Events

By area

Africa

• When it was unable to feed its population during a famine, the emir of the great commercial center of Mahdia has to recognize the de facto protectorate of Roger II of Sicily.
• Failed Norman raid against the city of Tripoli.

Asia

• Emperor Konoe succeeds Emperor Sutoku on the throne of Japan.

Europe

• Henry the Lion becomes Duke of Saxony.
• The Empress Maud grants Oakley, Buckinghamshire Church, with its chapels of Brill, Boarstall and Addingrove, to the monks of St. Frideswide's Priory, in Oxford.

Births

• Farid od-Din Mohammad ebn Ebrahim 'Attar, Persian mystical poet (d. 1220)
• Hugh III, Duke of Burgundy (d. 1192)

Deaths

• January 27 – Yue Fei, Chinese military leader (b. 1103)
• April 21 – Pierre Abélard, French scholastic philosopher (b. 1079)
• Orderic Vitalis, English chronicler (b. 1075)