In a treaty agreed at Shrewsbury, the English king Henry III acknowledges Llewellyn ap Gruffydd as the prince of Wales

The Assassins are systematically destroyed by Baybars, the Mameluke sultan of Egypt

The Mongol leader Kublai Khan chooses a name for his new dynasty in China, calling it Ta Yuan ('Great Origin')

Edward I is in Sicily when he becomes king of England, on the death of his father, Henry III

The period without a German king, known as the Great Interregnum, ends with the election of a Habsburg prince, Rudolf I

At Dürnkrut Rudolf I defeats and kills Otakar II, his rival for Austria - thus bringing the Austrian territories into the Habsburg domain

With the fall of Hangzhou, the Song imperial capital, Kublai Khan's new Yüan dynasty is secure

An uprising by Llewellyn ap Gruffydd, the prince of Wales, ends with his own death and the subjugation of Wales by the king of England, Edward I

Osman inherits the leadership of the tribal group later known by a version of his name, as the Ottoman Turks

Edward I of England arranges for his 5-year-old heir to marry Margaret the Maid of Norway, the 7-year-old heiress to the kingdom of Scotland

The death of Margaret, child heiress to the Scottish throne, results in John de Balliol being chosen as king

Edward I invades Scotland, massacres the people of Berwick, captures John de Balliol and brings to Westminster the Stone of Scone

William Wallace's victory over the English at Stirling Bridge enables him to rule Scotland on behalf of John de Balliol

Edward I, conqueror of Wales, bestows the cherished title 'prince of Wales' on his own heir, the future Edward II

Andrew III of Hungary dies without an heir, bringing to an end four centuries of rule by the descendants of Arpad

After the murder of his rival, in a church in Dumfries, Robert de Bruce is crowned king of Scots at Scone

The English king Edward I dies campaigning near Carlisle, on an expedition north against his Scottish rival Robert the Bruce

On the death of his father, Edward I, Edward II becomes king of England

Clement V moves the papacy to Avignon, in a move which is expected to be temporary but which lasts for nearly seventy years

The hiatus on the Hungarian throne ends when the Angevin contender is crowned as Charles I

After years of guerilla warfare, Robert de Bruce defeats the English conclusively at Bannockburn - and becomes at last secure in his kingdom

Edward Bruce is crowned king of Ireland at Dundalk, but his uprising ends two years later when he is killed in battle with the English

Wladyslaw I is crowned king of Poland in Cracow, which he makes his capital city

Edward II is captured and imprisoned by his queen, Isabella, and her lover, Mortimer

Isabella forces Edward II to renounce the English throne in favour of their 15-year-old son, Edward III