1215

Historical Events

• March 4 – King John of England makes an oath to the Pope as a crusader to gain the support of Innocent III.
• June 15 – King John of England is forced to put his seal on the Magna Carta, outlining the rights of landowning men (nobles and knights) and restricting the king's power.
• August – King John of England rejects the Magna Carta, leading to the First Barons' War.
• August 24 – Pope Innocent III declares the Magna Carta invalid.
• November – The Fourth Council of the Lateran is held.
• The Dominican Order is founded, according to some sources.

Hermetic Events

• Regional Tribunals in the Order of Hermes.
• The Covenant of Aedis Cinerium is founded in the Roman Tribunal.

Births

• Pope Celestine V (d. 1296)
• Pope John XXI (d. 1277)

Deaths

• Henry of Hainault, head of the Eastern Latin Empire