1145

1145 (MCXLV) was a common year starting on Monday of the Julian calendar, the 1145th year of the Common Era (CE) and Anno Domini (AD) designations, the 145th year of the 2nd millennium, the 45th year of the 12th century, and the 6th year of the 1140s decade. As of the start of 1145, 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:	1142 1143 1144 – 1145 – 1146 1147 1148

1145 in other calendars

Gregorian calendar	1145 MCXLV
Ab urbe condita	1898
Armenian calendar	594 ԹՎ ՇՂԴ
Assyrian calendar	5895
Balinese saka calendar	1066–1067
Bengali calendar	552
Berber calendar	2095
English Regnal year	10 Ste. 1 – 11 Ste. 1
Buddhist calendar	1689
Burmese calendar	507
Byzantine calendar	6653–6654
Chinese calendar	甲子年 (Wood Rat) 3841 or 3781     — to — 乙丑年 (Wood Ox) 3842 or 3782
Coptic calendar	861–862
Discordian calendar	2311
Ethiopian calendar	1137–1138
Hebrew calendar	4905–4906
Hindu calendars
- Vikram Samvat	1201–1202
- Shaka Samvat	1066–1067
- Kali Yuga	4245–4246
Holocene calendar	11145
Igbo calendar	145–146
Iranian calendar	523–524
Islamic calendar	539–540
Japanese calendar	Ten'yō 2 / Kyūan 1 (久安元年)
Javanese calendar	1051–1052
Julian calendar	1145 MCXLV
Korean calendar	3478
Minguo calendar	767 before ROC 民前767年
Nanakshahi calendar	−323
Seleucid era	1456/1457 AG
Thai solar calendar	1687–1688
Tibetan calendar	阳木鼠年 (male Wood-Rat) 1271 or 890 or 118     — to — 阴木牛年 (female Wood-Ox) 1272 or 891 or 119

Events

• February 15 — Pietro Bernardo Paganelli of Montemagno, Calci is elected as Pope Eugene III, and succeeds Pope Lucius II as the 167th pope.
• Pope Eugene III issues Quantum praedecessores, calling for the Second Crusade
• Construction begins on Notre-Dame d'Chartres in Chartres, France
• Kim Pusik and his team of historians finishes the making of the Korean historical text Samguk Sagi.
• Woburn Abbey founded.
• Arnold of Brescia joins the revolutionary Commune of Rome, where he becomes its leader for the next 10 years.

Births

• Maria of Antioch, Byzantine Empress (d. 1182)
• Marie de Champagne, Countess of Champagne (d. 1198)
• Theodora Comnena, Queen of Jerusalem
• Pope Gregory IX (d. 1241)
• Al-Adil I, Ayyubid-Egyptian general and ruler (d. 1218)
• Amalric II of Jerusalem (d. 1205)

Deaths

• February 15 — Pope Lucius II
• Zhang Zeduan, Chinese painter (b. 1085)