Gertrude the Great ( 1256 – c 1302 ).

* Gertrude the Great ( 1256 – c 1302 )

* 6 Counts and Countesses of Hainaut ( 1253 – 1256, 1417 – 1482, 1700 – 1713 )

* 1256 – Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut in present-day Iran as part of the Mongol offensive on Islamic southwest Asia.

Jacob ben Abba Mari ben Simson Anatoli ( c. 1194 – 1256 ) was a translator of Arabic texts to Hebrew.

# Robert, Count of Clermont ( 1256 – 7 February 1317 ), married Beatrice of Burgundy.

* 1256 – The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae.

* 1302 – St. Gertrude the Great, German theologian ( b. 1256 )

* William II of Holland ( 1228 – 1256 )

* 1256 – October – Mongol commander Baiju ( operating under Hulagu Khan's command ) leads his forces in a victory over Kay Ka ' us II of the Sultanate of Rüm, thereby capturing Anatolia.

* 1256 – December 15 – Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut in present-day Iran.

* 1256 – The city of Lviv, in present-day Ukraine, is founded by Danylo King of Rus.

* 1256 – April 13 – Pope Alexander IV issues a papal bull constituting the Order of Saint Augustine.

* 1256 – Felim mac Cathal Crobderg Ua Conchobair, King of Connacht

* Philip of Sicily ( 1256 – 1 January 1277 ), titular King of Thessalonica from 1274, married 28 May 1271 to Isabella of Villehardouin

* March – Muhammed III, Sultan of Granada ( b. 1256 )

* February 7 – Robert, Count of Clermont, French founder of the House of Bourbon ( b. 1256 )

* January 12 – Maria of Brabant, queen of Philip III of France ( b. 1256 )

* probable – Ibn al-Banna, Arab Mathematician ( b. 1256 )

The last Grand Master of the Assassins at Alamut Imam Rukn al-Din Khurshah ( 1255 – 1256 ) was executed by the Hulagu Khan after a devastating siege

The Mongol Naiman commander Kitbuqa began to assault several Ismaili fortresses in 1253, before Hulagu deliberately advanced in 1256.

Assembling the army took five years, and it was not until 1256 that Hulagu was prepared to begin the invasions.

* Hulagu Khan ( 1256 – 1265 )

In 1255 / 1256 Hulagu forced the Abbasid to lend their forces for the campaign against Alamut.

# 1256: Alamut fortress falls to the Mongols under the leadership of Hülegü Khan.

However, it was not until under the direction of the Mongol ruler, Hulegu Khan, when the Mongols ascended to the fortress in December 1256 AD, that the Alamut library was lost.

In October 1256, Bayju defeated Kaykaus II near Aksaray and all of Anatolia became officially subject to Möngke Khan.

Sheikh Taj Al-Din Zahed Gilani was able to attain cultural and religious influence on the Ilkhanid rulers ( 1256 – 1353 ), descendants of Genghis Khan, who followed Seljuq rule.

Sartaq ( or Sartak, Sartach, ) Khan ( died 1256 ) was the son of Batu Khan and Regent Dowager Khatun Boraqcin of Alchi Tatar.

He died in 1256 before returning from Great Khan Mongke's court in Mongolia, less than one year after his father, probably having been poisoned by his uncles Berke and Berkhchir.

** Ilkhanate ( 1256 – 1335 )

Narathihapate (, ; also Sithu IV ; 1238 – 1287 ) was the last king of Pagan dynasty of Burma ( Myanmar ) from 1256 to 1287.

In 1256, a body of the Oirats under Bukha-Temur joined Hulegu's expedition to Iran and fought against Hashshashins, Abbasids in Persia.

On 11 June 1256, the General Chapter of the Trinitarian Order formally affiliated Louis IX at the monastery of Cerfroid, which had been constructed by Felix of Valois north of Paris.

He died in 1256 before this palace was completed, but parts of it were finished by his son Floris V, of which the Ridderzaal ( Knights ' Hall ), still extant, is the most prominent.

Initially, the Zytglogge tower marked the western boundary of the city from 1191 until 1256, when the Käfigturm took over this role until 1345, which, in turn, was then succeeded by the Christoffelturm ( located close to today's train station ) until 1622.

During his second expedition in 1256, he managed to conclude a favorable peace with Bulgaria, which may have plunged the latter into a crisis of leadership.

After the extinction in 1527 of the Dukes of Bourbon, François's son Charles ( 1489 – 1537 ) became head of the House of Bourbon, which traces its male-line descent from Robert, Count of Clermont ( 1256 – 1318 ), a younger son of France's Saint-King Louis IX.

Although the Chevette was largely a rebadged Opel Kadett C with revised front-end ( detailed below ), it did use the 1256 cc overhead valve ( OHV ) engine of the Viva instead of the Kadett's units, which were produced by Opel.

For the Ismailis in the aftermath of the Mongol onslaught of the Alamut state in 1256 CE, the need to practice taqiyya became necessary, not only for the protection of the community itself, which was now stateless, but also for safeguarding the line of the Nizari Ismaili Imamate during this period of unrest.

These are coupled with the petrochemical facilities in the nearby town of Kutina, the first recorded mention of which was in 1256 by king Bela IV.

This involved him in a dispute between the Genoese and the Venetians, the War of St. Sabas, which started in 1256 and drew in many of the nobles in the Holy Land, wasted valuable resources and cost tens of thousands of lives.

* Augustinians, founded in 1256, which evolved from the canons who would normally work with the Bishop: they lived with him as monks under St. Augustine's rule

He retired with 1256 runs, 1299 RBIs, a. 331 batting average, and 127 home runs which was at the time second only to Roger Connor.

In 1256 the latter included thirteen deaneries which have since been subdivided, so that-at present it contains eighteen deaneries ; Sudbury archdeaconry which comprised eight deaneries in 1256 now ( 1911 ) includes eleven.

The town was established in 1256 by the Benedictine abbey of Břevnov in Prague, to which King Ottokar I of Bohemia had granted the area.

The chronicles make no mention of a great Pandyan invasion which seems to have taken place between 1254 and 1256, in which one of the kings of Lanka was slain and the other rendered tributary.

An early example of this was the Aberdeen to Penzance Through Service distance of 785 miles ( 1256 km ), which was inaugurated on 3 October 1921, and ran on the track of seven different railway companies.

Dynastically, he established two notable Capetian Houses: the House of Anjou ( which he created by bestowing the County of Anjou upon his brother, Charles ( 1227 – 1285 )), and the House of Bourbon ( which he established by bestowing Clermont on his son Robert ( 1256 – 1317 ) in 1268, before marrying the young man to the heiress of Bourbon, Beatrix ( 1257 – 1310 )); the first House would go on to rule Sicily, Naples, and Hungary, suffering many tragedies and disasters on the way ; the second would eventually succeed to the French thone, collecting Navarre along the way.

In 1256, he expelled the Venetians from Tyre, an action which helped to precipitate the War of St. Sabas.

Probably about this time Michael Asen I married a daughter ( it is not certain which one ) of Rostislav, and in 1256 Rostislav served as an intermediary at the signing of the peace treaty with Nicaea.