
The cathedral atop the Rock of Cashel in Ireland was completed in 1270.
Events
Africa
The Eighth Crusade
★ Before August - King
Louis IX of France launches the
Eighth Crusade in an attempt to recapture the
crusader states from the
Mamluk sultan
Baibars; the opening engagement is a siege of
Tunis.
★
August 25 - King Louis IX of France dies while besieging the city of Tunis, possibly due to poor quality drinking water.
★
October 30 - The siege of Tunis and the Eighth Crusade end by an agreement between
Charles I of Sicily (Louis IX's brother) and the
sultan of Tunis.
Other events in Africa
★
Yekuno Amlak overthrows the
Ethiopian
Zagwe dynasty, claims the throne and establishes the
Solomonic dynasty.
Asia
★ In
Korea, the
Sambyeolcho Rebellion begins against the
Goryeo Dynasty, a
puppet government of the
Mongol Empire.
★ The ancient city of
Ashkelon is captured from the
crusader states and utterly destroyed by the
Mamluk sultan
Baibars, who goes so far as to fill in its important
harbor, leaving the site desolate and the city never to be rebuilt.
★ The city of
Tabriz, in present-day
Iran, is made capital of the
Mongol Ilkhanate empire (approximate date).
★ The independent state of
Kutch is founded in present-day
India.
★ A census of the Chinese city of
Hangzhou establishes that some 186,330 families reside within it, not including visitors and soldiers. (Historian Jacques Gernet argues that this means a population of over 1 million inhabitants, making Hangzhou the most populous city in the world.)
Europe
★
December - Crucial aspects of the
philosophy of
Averroism (itself based on
Aristotle's works) are banned by the
Roman Catholic church in a
condemnation enacted by
papal authority at the
University of Paris.
★ The ''
Summa Theologica'', a work by
Thomas Aquinas that is considered within the
Roman Catholic Church to be the paramount expression of its
theology, is completed (year uncertain).
★
Witelo translates
Alhazen's 200-year-old treatise on
optics, ''
Kitab al-Manazir'', from
Arabic into
Latin, bringing the work to
European academic circles for the first time.
★ The
Sanskrit fables known as the
Panchatantra, dating from as early as 200
BCE, are translated into
Latin from a
Hebrew version by
John of Capua.
★ Construction of the
Old New Synagogue in
Prague is completed.
★ The
cathedral on the
Rock of Cashel in
Ireland is completed.
Births
★
March 12 -
Charles of Valois, son of
Philip III of France (died
1325)
★
Jacob ben Asher, Spanish rabbi and religious writer
★
Theodore Metochites, Byzantine statesman and author
★
Michael of Cesena, Franciscan theologian (died
1342)
★
Marsilius of Padua, Italian scholar (died
1342)
★
Aymer de Valence, 2nd Earl of Pembroke (died
1324)
★
Cino da Pistoia, Italian poet (died
1336)
★
Ma Zhiyuan, Chinese poet
★
Namdev, Marathi saint and poet (died
1350)
★
William Wallace, Scottish patriot (died
1305)
Deaths
★
February 23 -
Saint Isabel of France, daughter of
Louis VIII of France (born
1225)
★
March 17 -
Philip of Montfort, Lord of Tyre
★
May 3 -
Béla IV of Hungary (born
1206)
★
July 14 -
Boniface of Savoy Archbishop of Canterbury
★
August 25
★
★ King
Louis IX of France
★
★
Alphonso of Brienne
★
September 24 -
Philip of Montfort, Lord of Castres
★
December 4 -
Theobald V of Champagne, King of Navarre
★
Mansa Wali Keita, second mansa of the Mali Empire
★
Roger Bigod, 4th Earl of Norfolk (born
1212)
★
David VII Ulu, King of Georgia (born
1215)
★
Isaac ben Moses of Vienna, Jewish rabbi and scholar (born
1200)