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|1311 by topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1311 in poetry|
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- March 15 – Battle of Halmyros: The Catalan Company defeats Walter V, Count of Brienne and his forces, to take control of the Duchy of Athens.
- October 16 - The Council of Vienne begins.
- A committee of 21 English barons draw up a series of ordinances, which substitute ordainers for the King (Edward II) as the effective government of the country.
- Bolingbroke Castle passes to the House of Lancaster.
- Lincoln Cathedral in England is completed; with the spire reaching around 525 feet (160 m), it becomes the world's tallest structure (surpassing the Great Pyramid of Giza, which held the record for almost 4,000 years), a record it holds until the spire is blown down in 1549.
- January 28 or 1312 – Joan II of Navarre, queen regnant of Navarre (d. 1349)
- June 24 or 1314 – Philippa of Hainault, queen of Edward III of England (d. 1369)
- August 13 – King Alfonso XI of Castile (d. 1350)
- July 1 – Liu Bowen, Chinese military strategist, officer, statesman and poet (d. 1375)
- date unknown
- January 27 – Külüg Khan, Emperor Wuzong of Yuan
- March 3 – Antony Bek, bishop of Durham
- March 15 – at the Battle of Halmyros:
- May 29 – James II of Majorca (b. 1243)
- August 13 – Pietro Gradenigo, Doge of Venice
- September 5 – Amadeus Aba, Hungarian oligarch
- December 14 – Margaret of Brabant, German queen consort (b. 1276)
- date unknown
- probable – Bernard Saisset, Occitan bishop of Pamiers (b. 1232)