1280 CE
Battle of al-Jassora: Syria attempts to secede from the Mamluk Sultanate of Egypt, but Al Mansur Qalawun defeats the rebels and keeps Syria within the Egyptian sultanate. Reconquista: Battle of Moclín – Troops of the Emirate of Granada defeat those of the Kingdom of Castile and Kingdom of León. King Magnus Ladulås of Sweden founds a Swedish nobility by enacting a law accepting a contribution of a cavalry member in lieu of ordinary tax payments.
Conflict & Security
- June 18 – Battle of al-Jassora: Syria attempts to secede from the Mamluk Sultanate of Egypt, but Al Mansur Qalawun defeats the rebels and keeps Syria within the Egyptian sultanate.source
- June 23 – Reconquista: Battle of Moclín – Troops of the Emirate of Granada defeat those of the Kingdom of Castile and Kingdom of León.source
- Tsar Ivan Asen III of Bulgaria flees from Tarnovo, ending the Asen dynasty in Bulgaria.source
- Turin is conquered by Thomas III of Savoy, becoming the capital of the House of Savoy.source
Exploration & Expansion
- The ancestors of the Māori people from eastern Polynesia become the first human settlers of New Zealand.source
Religion & Belief
- The final expansion of Lincoln Cathedral in England is completed.source
Technology & Infrastructure
- Construction on the northern section of the Grand Canal of China has begun.source
Science & Discovery
Culture & Society
- September 27 – King Magnus Ladulås of Sweden founds a Swedish nobility by enacting a law accepting a contribution of a cavalry member in lieu of ordinary tax payments.source