On 8 November 1273, Andronikos II married Anne of Hungary ( 1260 – 1281 ), daughter of the king Stephen V of Hungary.

Other Arab mathematicians who studied amicable numbers are al-Majriti ( died 1007 ), al-Baghdadi ( 980-1037 ), and al-Fārisī ( 1260 – 1320 ).

Egyptian Mamluk Sultan, Baibars ( 1260 – 1277 ) conquered Palestine and the Mamluks ruled it until 1517, regarding it as part of Syria.

* 1260 – The Livonian Order suffers its greatest defeat in the 13th century in the Battle of Durbe against the Grand Duchy of Lithuania

# Louis of France ( 23 September 1243 or 24 February 1244 – 11 January or 2 February January 1260 ).

# Agnes of France ( c. 1260 – 19 December 1327 ), married Robert II, Duke of Burgundy

* 1260 – Kublai Khan becomes ruler of the Mongol Empire.

* 1260 – 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.

* 1260 – Saif ad-Din Qutuz, Mamluk sultan of Egypt, is assassinated by Baibars, who seizes power for himself.

Pomesanians joined the other Prussian clans during the First Prussian Uprising ( 1242 – 1249 ), but was the only clan not to participate in the Great Prussian Uprising ( 1260 – 1274 ).

* 1260 – The Sienese Ghibellines, supported by the forces of King Manfred of Sicily, defeat the Florentine Guelphs at Montaperti.

* 1260 – 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.

* 1260 – the Great Prussian Uprising among the old Prussians begins against the Teutonic Knights.

* January 21 – Árni Helgason, Icelandic bishop ( b. c. 1260 )

* November 15 – Nichimoku, Japanese priest, the 3rd high priest of Taisekiji temple and Nichiren Shoshu ( b. 1260 )

* 1260 – The Baltic Samogatians and Curonians defeat the Teutonic knights in the Battle of Durbe.

* 1260 – September 4 – The forces of King Manfred of Sicily, in league with the Ghibellines, defeat the Guelphs in the Battle of Montaperti.

* 1260 – War breaks out in the Valais ( today in Switzerland ) as the Bishopric of Sion defends against an invasion by the County of Savoy.

* 1260 – King Otakar II of Bohemia captures Styria from King Bela IV of Hungary in the Battle of Kressenbrunn.

* 1260 – The Duchy of Saxony is divided into Saxony-Lauenberg and Saxony-Wittenberg, marking the end of the first Saxon state.

* 1260 – May 5 – Kublai Khan becomes a claimant to the Mongol Empire after the death of Mongke Khan.

* 1260 – September 3 – The Mongols are defeated by the Mamluks at the Battle of Ain Jalut in Palestine, marking the first decisive defeat of the Mongols and the point of maximum expansion of the Mongol Empire.

* 1260 – October 24 – Saif ad-Din Qutuz, Mamluk sultan of Egypt, is assassinated by Baibars, who seizes power for himself.

Nicholas V, born Pietro Rainalducci ( c. 1260 – 16 October 1333 ) was an antipope in Italy from 12 May 1328 to 25 July 1330 during the pontificate of Pope John XXII ( 1316 – 34 ) at Avignon.

# Peter ( June 1260 – 10 October 1283 )

# Constance ( 1245 / 46 – 8 October 1281 ), married in 1260 to Conrad, Margrave of Brandenburg-Stendal.

Albert I () ( c. 1175 – 7 October 1260 ) was a Duke of Saxony, Angria, and Westphalia ; Lord of Nordalbingia ; Count of Anhalt ; and Prince-elector and Archmarshal of the Holy Roman Empire.

His office was renewed by the baronial reformers in 1258, but he was replaced on 18 October 1260 by Nicholas of Ely.

Saif ad-Din Qutuz, also spelled Kutuz, (; epithet: al-Malik al-Muzaffar Saif ad-Din Qutuz ( Arabic: الملك المظفر سيف الدين قطز ) ( Born November 2, died October 24, 1260 ) was the third of the Mamluk Sultans of Egypt in the Turkic line from 1259 until his death in 1260.

The WBMX intellectual property originated on the 98. 5 FM frequency, which signed on in October 1948 as WNAC-FM under the ownership of the Yankee Network division of General Tire and Rubber, which also owned WNAC ( then at 1260 AM, now occupied by WMKI ; moved to 680 AM in 1953 ) and WNAC-TV ( channel 7, now occupied by WHDH ).

* 1260 – Construction on the Dunkeld Cathedral begins in Perthshire, Scotland, as well as other important cathedrals in Meißen and Schwerin.

The construction of Meissen Cathedral was begun in 1260 on the same hill as the Albrechtsburg castle.

The octagonal exterior form appears in a carving from about 1260 in Lincoln Cathedral that shows an angel apparently playing two instruments at once ( see Gardner ).

* Schwerin Cathedral, built in 1260 – 1416 in Brick Gothic style.

It was consecrated in 1260, at which time the manor and patronage of the church belonged to Rouen Cathedral, as it had from before the Norman invasion.

The magnificent semi-ruined Dunkeld Cathedral, built in stages between 1260 and 1501, stands today on the grounds once occupied by the monastery.

The earliest example of the barbed quatrefoil appears on the south transept buttresses of 1260 in the Cathedral of Notre Dame in Paris.

The most comprehensive statement of his astrological beliefs is to be found in a work he authored around 1260, now known as the Speculum astronomiae.

In the Middle East, the first use of the hand cannon is argued to be during the 1260 Battle of Ain Jalut between the Mamluks and Mongols.

The highest point in the center of Skopje is at an altitude of 1066 meters which is far exceeded by the mountains Osoj, Skopska Crna Gora, and Žeden which have heights of 1506 meters, 1260 meters and 1561 meters respectively.

This seven-year week may be further divided into two periods of 3. 5 years each, from the two 3. 5-year periods in Daniel's prophecy where the last seven years are divided into two 3. 5-year periods, () The time period for these beliefs is also based on other passages: in the book of Daniel, " time, times, and half a time ", interpreted as " a year, two years, and half a year ," and the Book of Revelation, " a thousand two hundred and threescore days " and " forty and two months " ( the prophetic month averaging 30 days, hence 1260 / 30 = 42 months or 3. 5 years ).

The 1290 days of, ( rather than the 1260 days of ), is thought to be the result of either a simple intercalary leap month adjustment, or due to further calculations related to the prophecy, or due to an intermediate stage of time that is to prepare the world for the beginning of the millennial reign.

This is believed by some to have been a period after the " falling away " when papal Rome came to power for 1260 years from 538 to 1798 ( using the Day-year principle ).

Elissa is the narrator of this tale which was either taken from a fabliau by Jean de Condé written between 1313 and 1337, or from a story about Saint Jerome in The Golden Legend, written about 1260.

The 1260s is the decade starting January 1, 1260 and ending December 31, 1269.

* 1260 – The mosaic Christ between the Virgin and St Minias is made on the facade of Florence's Basilica di San Miniato al Monte.

* 1260 – 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.

is: 1260

The record holder is Ophioglossum reticulatum, with about 630 pairs of chromosomes ( 1260 chromosomes per cell ).

* Santa Corona ( 1260 ) was built by the Dominicans after the death of Ezzelino, and is pictured by Montagna ( The Magdelene ) and Bellini ( Baptism of Christ ); it also hosts the Valmarana chapel by Palladio ;

Norway is located at ( 33. 4497 ,-81. 1260 ).

The incident was documented as early as 1260, though it is highly unlikely.

The earliest recorded Rector is Ralph de Fremingham, from 1260.