* 1322 – Bartholomew de Badlesmere, 1st Lord Badlesmere, English soldier ( b. 1275 )

St. Raymond of Penyafort ( 1175 – 1275 ), a Spanish Dominican priest, is the patron saint of canonists, due to his important contributions to the science of canon law.

Giovanni d ' Andrea or Johannes Andreæ, ( c. 1270 / 1275 – 1348 ) was an Italian expert in canon law, the most renowned and successful canonist of the later Middle Ages.

* Henry VII, Holy Roman Emperor ( c. 1275 – 1313 )

* 1275 – Traditional founding of the city of Amsterdam.

* 1275 – John II, Duke of Brabant ( d. 1312 )

In early Islamic states of the western Sudan, including Ghana ( 750 – 1076 ), Mali ( 1235 – 1645 ), Segou ( 1712 – 1861 ), and Songhai ( 1275 – 1591 ), about a third of the population were enslaved.

* August 24 – Henry VII, Holy Roman Emperor ( b. 1275 )

* April 14 – Bartholomew de Badlesmere, 1st Lord Badlesmere, English soldier ( b. 1275 )

* 1275 – Eleanor de Montfort is captured by pirates in the employ of Edward I of England to prevent her marriage to Llywelyn the Last, prince of Wales ; she is used as a bargaining chip over the coming years in Edward's attempts to subjugate Llywelyn and Wales.

* 1275 – Scottish forces defeat the Manx of the Isle of Man in a decisive battle, firmly establishing Scottish rule of the island.

* 1275 – April 22 – The first Statute of Westminster is passed by the English parliament, establishing a series of laws in its 51 clauses, including equal treatment of rich and poor, free and fair elections, and definition of bailable and non-bailable offenses.

* 1275 – Invading forces of the Yuan Dynasty capture the Song city of Suzhou.

* 1275 – Marco Polo purportedly visits Shangdu, Kublai Khan's summer capital of the Yuan Dynasty.

* 1275 – The city of Kunming is made capital of the Yunnan province of the Yuan Dynasty.

* 1274 – The first main survey of the Hundred Rolls, an English census seen as a follow up to the Domesday Book completed in 1086, is begun ; it lasts until 1275.

* 1275 – Jean de Meun completes the French allegorical work of fiction, Roman de la Rose, with a second section ; the first section was written by Guillaume de Lorris in 1230.

* 1275 – Ramon Llull discovers diethyl ether.

* c. 1275 – The verge escapement, a simple type of escapement used in clocks, is invented.

* 1275 – A purported witch is first burned to death by sentence of a judicial inquisitor in Toulouse, France.

The two Polos ( this time accompanied by the young Marco Polo ) returned to the Mongol Empire and remitted the oil from the Pope to Kublai in 1275.

It was hotly contested between the Polish rulers ( kings, principal dukes and dukes of Masovia ) and Kievan Rus princes, laid waste by the Mongols in 1241 ( see: Mongol invasion of Europe ), and was not rebuilt until 1275, later it became part of the Grand Duchy of Lithuania,.

This was followed by the Mongol invasion ( 1275 ).

from: 1275 till: 1368 text: Yuan ( Mongol )

The Mōko Shūrai Ekotoba ( 蒙古襲来絵詞 Illustrated Account of the Mongol Invasion ) are a pair of illustrated handscrolls from between 1275 and 1293.

By the middle of 1275 the Mongol army had control of most of Jiandong ( 江東 ), the southern part of modern day Jiangsu Province.

In 1241, 1259 and 1275 the country was ravaged by raids from the Golden Horde.

* 1275: Second raid against Lithuania.

In 1275, Duke Magnus started a rebellion against his brother with Danish help, and ousted him from the throne.

To support a second war against Frederick II, the Milanese borrowed a cup of gold from Monza ; for its return is necessary to resort to excommunication, which was imposed in 1254: the cup is returned, but missing 17 gems, as shown an inventory of 1275.

In 1275 Alfonso tried to meet with his nominal imperial vicar in Italy, William VII of Montferrat ( who had succeeded Ezzelino ) and his Ghibelline allies in Piedmont and Lombardy to fight against the Guelph Charles I of Anjou ; he was however halted in Provence by the Pope who, after a long negotiation, obtained Alfonso's renunciation of the title of King of the Romans.

Alfonso's eldest son, Ferdinand, died in 1275 at the Battle of Écija against the Moroccan and Granadan invasion armies, leaving two infant sons.

In 1275, Michael VIII sent an army against Thessaly and fleet of 73 ships to harass the Latin states in Greece.

The royal inscriptions of the Assyrian king Adad-nirari I ( c. 1307 – 1275 ) relate how the vassal King Shattuara of Mitanni rebelled and committed hostile acts against Assyria.

These bishops were often in conflict with the citizens and the counts of Valentinois and to strengthen their hands against the latter the pope in 1275 united their bishopric with that of Die.

His elder brother, Ferdinand de la Cerda, died in November 1275, and in 1282 Sancho assembled a coalition of nobles to declare for him against Ferdinand's son Alfonso, then took control of the kingdom when Alfonso X died in 1284.

The family's emigration only came after the final attempt on the part of the Manx at restoring the old Sudreyar dynasty in the 1275 uprising against the Scots.

He accepted the position of capitano del popolo (" Captain of the People ") and gained for Forlì notable victories: against the Bolognesi at the Ponte di San Proculo, on June 15, 1275 ; against a Guelph allied force, including Florentine troops, at Civitella on November 14, 1276 ; and at Forlì itself against a powerful French contingent sent by Pope Martin IV, on May 15, 1282, in a battle cited by Dante Alighieri ( who was hosted in the city in 1303 by Scarpetta Ordelaffi III ).

Her husband died in 1275 in combat against the Muslims, and both were buried in the Monastery of Saint Paul in Palencia.

In 1275 – 6 Robert de Ferrers arraigned an assize of mort dancestor against her touching a messuage in Repton, Derbyshire.

1275 – 1341 ) was Grand Duke of Lithuania from 1315 or 1316 until his death.

He attacked Lithuania with the northern Russian princes in 1275.