1260

1260 in other calendars
Gregorian calendar	1260; MCCLX
Ab urbe condita	2013
Armenian calendar	709; ԹՎ ՉԹ
Assyrian calendar	6010
Balinese saka calendar	1181–1182
Bengali calendar	667
Berber calendar	2210
English Regnal year	44 Hen. 3 – 45 Hen. 3
Buddhist calendar	1804
Burmese calendar	622
Byzantine calendar	6768–6769
Chinese calendar	己未年 (Earth Goat); 3956 or 3896; — to —; 庚申年 (Metal Monkey); 3957 or 3897
Coptic calendar	976–977
Discordian calendar	2426
Ethiopian calendar	1252–1253
Hebrew calendar	5020–5021
Hindu calendars
- Vikram Samvat	1316–1317
- Shaka Samvat	1181–1182
- Kali Yuga	4360–4361
Holocene calendar	11260
Igbo calendar	260–261
Iranian calendar	638–639
Islamic calendar	658–659
Japanese calendar	Shōgen 2 / Bun'ō 1; (文応元年)
Javanese calendar	1169–1170
Julian calendar	1260; MCCLX
Korean calendar	3593
Minguo calendar	652 before ROC; 民前652年
Nanakshahi calendar	−208
Thai solar calendar	1802–1803
Tibetan calendar	阴土羊年; (female Earth-Goat); 1386 or 1005 or 233; — to —; 阳金猴年; (male Iron-Monkey); 1387 or 1006 or 234

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1230s 1240s 1250s – 1260s – 1270s 1280s 1290s
Years:	1257 1258 1259 – 1260 – 1261 1262 1263

1260 (MCCLX) was a leap year starting on Thursday of the Julian calendar, the 1260th year of the Common Era (CE) and Anno Domini (AD) designations, the 260th year of the 2nd millennium, the 60th year of the 13th century, and the 1st year of the 1260s decade. As of the start of 1260, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

October 24 – The spectacular Cathedral of Chartres is dedicated in the presence of King Louis IX of France; the cathedral is now a UNESCO World Heritage Site.
Construction on the Dunkeld Cathedral begins in Perthshire, Scotland.
Construction begins on the cathedral at Meißen.
Construction begins on the cathedral at Schwerin.
Jacobus de Voragine compiles his work, the Golden Legend, a late medieval best-seller.
Nicola Pisano sculpts the pulpit of the Pisa Baptistery.
German musical theorist Franco of Cologne publishes Ars Cantus Mensurabilis, in which he advances a new theory of musical notation in which the length of a musical note is denoted by the shape of that note, a system still used today.
The mosaic Christ between the Virgin and St Minias is made on the facade of Florence's Basilica di San Miniato al Monte.
The advent of the Age of the Holy Spirit predicted by Joachim of Fiore according to his interpretation of Revelations Ch 6.

May 5 – Kublai Khan becomes ruler of the Mongol Empire.
May 21 – Kublai sends his envoy Hao Jing to negotiate with the Song Dynasty Chancellor Jia Sidao, after the small force left by Kublai south of the Yangzi River is destroyed by a Chinese army of the Southern Song Dynasty. Chancellor Jia Sidao ordered to imprison the entire embassy of Kublai. This slight would not be forgotten by Kublai, but he was unable to assault the Song due to the civil war with his rival brother Ariq Böke.
September 3 – The Mamluks defeat the Mongols at the Battle of Ain Jalut in Palestine, marking their first decisive defeat and the point of maximum expansion of the Mongol Empire.
The Sena Dynasty of Bengal falls.
The Chinese era Jingding begins and ends in the Southern Song Dynasty of China.
The Japanese Shōgen era ends, and the Bun'ō era begins.
The Hindu Silharya Dynasty, which ruled an area around Mumbai, ends.
The newly formed Sukhothai kingdom of Thailand adopts Theravada Buddhism.

October 24 – Saif ad-Din Qutuz, Mamluk sultan of Egypt, is assassinated by Baibars, who seizes power for himself.

Henry de Cobham, 1st Baron Cobham (died 1339)
Matthew Csák, ruler of the Váh and the Tatras regions in present-day Slovakia (died 1321)
Meister Eckhart, German theologian, philosopher and mystic (died 1328)
Agnes of France, only daughter of Louis VII of France by his third wife Adèle of Champagne (died 1240)
Andronicus II Palaeologus, Byzantine Emperor (died 1332)
Enguerrand de Marigny, minister to King Philip IV of France
Guillaume de Nogaret, keeper of the seal to King Philip IV of France (year very uncertain) (died 1313)
Maximus Planudes, Byzantine grammarian and theologian (approximate date; died 1330)
Farsi, Persian mathematician and physicist (died 1320)