Emperor Otto I & Pope John XII: Diploma Ottonianum (+ 12 more historical events on this day!)

A Daily Dose of History (13 Feb 2026) Today's historical events: Emperor Otto I and Pope John XII co-sign the Diploma Ottonianum, recognizing John as ruler of Rome. The central tower of Ely Cathedral falls on the night of 12th–13th. The Treaty of Westminster is finalised between Edward IV of England and the Scottish Lord of the Isles. Challenge of Barletta: Tournament between 13 Italian and 13 French knights near Barletta. Catherine Howard, the fifth wife of Henry VIII of England, is executed for adultery. Galileo Galilei arrives in Rome for his trial before the Inquisition. The Clergy Act becomes law, excluding bishops of the Church of England from serving in the House of Lords. With the accession of young Charles XI of Sweden, his regents begin negotiations to end the Second Northern War. William and Mary are proclaimed co-rulers of England. Massacre of Glencoe: Almost 80 Macdonalds at Glen Coe, Scotland are killed early in the morning for not promptly pledging allegiance to the new king, William of Orange. Treaty of Giyanti signed by VOC, Pakubuwono III and Prince Mangkubumi. The treaty divides the Javanese kingdom of Mataram into two: Sunanate of Surakarta and Sultanate of Yogyakarta. The delegation headed by Metropolitan bishop Andrei Șaguna hands out to the Emperor Franz Joseph I of Austria the General Petition of Romanian leaders in Transylvania, Banat and Bukovina, which demands that the Romanian nation be recognized. Italian unification: The Siege of Gaeta ends with the capitulation of the defending fortress, effectively bringing an end of the Kingdom of the Two Sicilies. Information from this episode are sourced from API Ninjas Explanations from OpenAI ChatGPT API with proprietary prompts. This podcast is produced by Klassic Studios Learn more about your ad choices. Visit megaphone.fm/adchoices