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|Ab urbe condita||2049|
|Balinese saka calendar||1217–1218|
|English Regnal year||24 Edw. 1 – 25 Edw. 1|
|Chinese calendar||乙未年 (Wood Goat)|
3992 or 3932
— to —
丙申年 (Fire Monkey)
3993 or 3933
|- Vikram Samvat||1352–1353|
|- Shaka Samvat||1217–1218|
|- Kali Yuga||4396–4397|
|Japanese calendar||Einin 4|
|Minguo calendar||616 before ROC|
|Thai solar calendar||1838–1839|
1422 or 1041 or 269
— to —
1423 or 1042 or 270
|Wikimedia Commons has media related to 1296.|
- March 30 – Capture of Berwick: King Edward I of England storms and captures Berwick-upon-Tweed, sacking what is at this time a Scottish border town, with much bloodshed. He slaughters most of the residents, including those who flee to the churches.
- April 12 – King Mangrai the Great of Ngoenyang establishes a new capital by founding Chiangmai, and founds the Mangrai Dynasty, that will rule the Lanna Kingdom of Chiangmai from 1296 to 1578 (the 700th Anniversary Stadium was built in remembrance of this foundation).
- April 27 – Battle of Dunbar: The Scots are defeated by Edward I of England.
- July 20 – Jalal ud din Firuz Khalji dies, and Ala-Ud-Din-Khalji comes to the throne of the Delhi Sultanate in Hindustan.
- Boniface of Verona expels the Byzantines from their last remaining strongholds on Euboea.
- Chinese diplomat Zhou Daguan spends a year at the court of Khmer King Indravarman III at Angkor, and pens a journal setting forth his observations.
- approximate date – Tarabya, self-proclaimed king of Pegu, is defeated in single combat on war elephants by Wareru.
- August 10 – "Blind" King John I of Bohemia (d. 1346)
- December – Marjorie Bruce, Scottish princess, only daughter of Robert I of Scotland (d. 1316)
- date unknown
- February 8 – King Przemysł II of Poland (b. 1257)
- March 11 – John le Romeyn, Archbishop of York
- March 24 – Odon de Pins, French Grand Master of the Knights Hospitaller coco na banheira
- May – William de Valence, 1st Earl of Pembroke
- May 19 – Pope Celestine V (b. 1215)
- June 5 – Edmund Crouchback, 1st Earl of Lancaster, son of Henry III of England (b. 1245)
- June 27 – Floris V, Count of Holland (b. 1254)
- August 7 – Heinrich II von Rotteneck, prince-bishop of Regensburg
- August 9 – Hugh, Count of Brienne, French crusader
- October 9 – Louis III, Duke of Bavaria (b. 1269)
- November 1 – Guillaume Durand, French canonist and writer
- date unknown
- Philippe de Rémi, French lawyer and royal official (b. c. 1247)
- Campanus of Novara, Italian astronomer and mathematician (b. c. 1220)
- Dnyaneshwar, Hindu saint and poet (b. 1275)
- Jalal ud din Firuz Khalji, founder of the Khalji dynasty in India
- Tarabya of Pegu, self-proclaimed ruler
- Robert de Vere, 5th Earl of Oxford (b. c.1240)