1245

1245 (MCCXLV) was a common year starting on Sunday of the Julian calendar, the 1245th year of the Common Era (CE) and Anno Domini (AD) designations, the 245th year of the 2nd millennium, the 45th year of the 13th century, and the 6th year of the 1240s decade. As of the start of 1245, 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:	1210s  1220s  1230s  – 1240s –  1250s  1260s  1270s
Years:	1242 1243 1244 – 1245 – 1246 1247 1248

1245 in other calendars

Gregorian calendar	1245 MCCXLV
Ab urbe condita	1998
Armenian calendar	694 ԹՎ ՈՂԴ
Assyrian calendar	5995
Balinese saka calendar	1166–1167
Bengali calendar	652
Berber calendar	2195
English Regnal year	29 Hen. 3 – 30 Hen. 3
Buddhist calendar	1789
Burmese calendar	607
Byzantine calendar	6753–6754
Chinese calendar	甲辰年 (Wood Dragon) 3941 or 3881     — to — 乙巳年 (Wood Snake) 3942 or 3882
Coptic calendar	961–962
Discordian calendar	2411
Ethiopian calendar	1237–1238
Hebrew calendar	5005–5006
Hindu calendars
- Vikram Samvat	1301–1302
- Shaka Samvat	1166–1167
- Kali Yuga	4345–4346
Holocene calendar	11245
Igbo calendar	245–246
Iranian calendar	623–624
Islamic calendar	642–643
Japanese calendar	Kangen 3 (寛元３年)
Javanese calendar	1154–1155
Julian calendar	1245 MCCXLV
Korean calendar	3578
Minguo calendar	667 before ROC 民前667年
Nanakshahi calendar	−223
Thai solar calendar	1787–1788
Tibetan calendar	ཤིང་ཕོ་འབྲུག་ལོ་ (male Wood-Dragon) 1371 or 990 or 218     — to — ཤིང་མོ་སྦྲུལ་ལོ་ (female Wood-Snake) 1372 or 991 or 219

Events

• Rebellion against king Sancho II of Portugal in favor of his brother Alphonso.
• The rebuilding of Westminster Abbey is started.
• Pope Innocent IV sends two missions to the Mongol Khan, suggesting that the Mongols convert to Christianity.