1139

1139 (MCXXXIX) was a common year starting on Sunday of the Julian calendar, the 1139th year of the Common Era (CE) and Anno Domini (AD) designations, the 139th year of the 2nd millennium, the 39th year of the 12th century, and the 10th and last year of the 1130s decade. As of the start of 1139, 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:	1100s  1110s  1120s  – 1130s –  1140s  1150s  1160s
Years:	1136 1137 1138 – 1139 – 1140 1141 1142

1139 in other calendars

Gregorian calendar	1139 MCXXXIX
Ab urbe condita	1892
Armenian calendar	588 ԹՎ ՇՁԸ
Assyrian calendar	5889
Balinese saka calendar	1060–1061
Bengali calendar	546
Berber calendar	2089
English Regnal year	4 Ste. 1 – 5 Ste. 1
Buddhist calendar	1683
Burmese calendar	501
Byzantine calendar	6647–6648
Chinese calendar	戊午年 (Earth Horse) 3835 or 3775     — to — 己未年 (Earth Goat) 3836 or 3776
Coptic calendar	855–856
Discordian calendar	2305
Ethiopian calendar	1131–1132
Hebrew calendar	4899–4900
Hindu calendars
- Vikram Samvat	1195–1196
- Shaka Samvat	1060–1061
- Kali Yuga	4239–4240
Holocene calendar	11139
Igbo calendar	139–140
Iranian calendar	517–518
Islamic calendar	533–534
Japanese calendar	Hōen 5 (保延５年)
Javanese calendar	1045–1046
Julian calendar	1139 MCXXXIX
Korean calendar	3472
Minguo calendar	773 before ROC 民前773年
Nanakshahi calendar	−329
Seleucid era	1450/1451 AG
Thai solar calendar	1681–1682
Tibetan calendar	ས་ཕོ་རྟ་ལོ་ (male Earth-Horse) 1265 or 884 or 112     — to — ས་མོ་ལུག་ལོ་ (female Earth-Sheep) 1266 or 885 or 113

Events

• Alphonso I becomes first king of Portugal