Spring – Sultan Abu Yusuf Yaqub ibn Abd al-Haqq and Muhammad II, ruler of Granada, agree to a truce with King Alfonso X (the Wise) for two years. Before Abu Yusuf leaves, Muhammad's secretary addresses a poem to Abu Yusuf, expressing fear of Castile's power and appealing for Marinid's continued support. Later, Abu Yusuf lands at Alcázar Seguir on January 19. This ending the first Marinid invasion in Al-Andalus (modern Spain).[1]
Spring – King Edward I (Longshanks) orders the people of Bayonne in Gascony (as part of the only English possessions in France) to provide Castile with warships "to resist the Saracens by sea", but he excuses himself from personal participation against the Marinid invasion in Spain because of his wars in Wales and his plan to lead a Crusade to the Holy Land.[3]
June 15– Remnants of the Chinese Song court in Fuzhou province conduct the coronation ceremony for Prince Zhao Shi to become Emperor Duan Zong (until 1278).
A severe 23-year drought begins to affect the Grand Canyon area, eventually forcing the agriculture-dependent Puebloans (or Anasazi) to migrate out of the region.[7]
Merton College, Oxford, is first recorded as having a collection of books, making its Library the world's oldest in continuous daily use.[8]
Economy
Henry of Ghent (or Henricus) becomes the last major theologian to openly consider annuities as a usurious contract. The end of the debate allows for the expansion of the budding practice of renten emission, to become a staple of public finance in northwestern Europe.[9]
Virani, Shafique N.; Assistant Professor Departments of Historical Studies and the Study of Religion Shafique N. (2007). The Ismailis in the Middle Ages: A History of Survival, a Search for Salvation, p. 32. Oxford University Press, USA. ISBN978-0-19-531173-0.
