1262

Events

* King Mindaugas of Lithuania renounces Christianity, returning to his pagan roots and reverting to Grand Duke of Lithuania.
* The Icelandic Commonwealth enters into a treaty establishing a union with Norway and acknowledges Norwegian King Haakon IV as its ruler.
* Strasbourg becomes an Imperial Free City of the Holy Roman Empire.
* King Henry III of England obtains a papal bull releasing him from the Provisions of Oxford, preceding the Second Barons' War, a civil war started in 1263.
* King Mengrai of the Lannathai Kingdom (present day Thailand) founds the city of Chiang Rai as the kingdom's first capital.
* Adam de la Halle writes the first operetta, "Le Jeu de la Feuillee".
* Richard of Chichester is canonized as a saint; he is best known for authoring the prayer later adapted into the song "Day by Day" in the musical Godspell.

Births

* July 2 - Arthur II, Duke of Brittany (d. 1312)
* Ladislaus IV of Hungary (d. 1290)
* Hugh le Despenser, 1st Earl of Winchester (d. 1326)

Deaths

* July 15 - Richard de Clare, 6th Earl of Hertford, English soldier (b. 1222)
* Aegidius of Assisi, companion of Saint Francis of Assisi
* Shinran Shonin, Japanese founder of the Jodo Shinshu branch of Pure Land Buddhism
* Matilda II of Boulogne, Queen of Portugal, spouse of King Afonso III of Portugal (b. 1202)