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This article is about the year 1257.
|1257 by topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1257 in poetry|
|Ab urbe condita||2010|
|English Regnal year||41 Hen. 3 – 42 Hen. 3|
|Chinese calendar||丙辰年 (Fire Dragon)
3953 or 3893
— to —
丁巳年 (Fire Snake)
3954 or 3894
|- Vikram Samvat||1313–1314|
|- Shaka Samvat||1178–1179|
|- Kali Yuga||4357–4358|
|Japanese calendar||Kōgen 2 / Shōka 1
|Minguo calendar||655 before ROC
|Thai solar calendar||1799–1800|
|Wikimedia Commons has media related to 1257.|
- Robert de Sorbon founds the Collège de Sorbonne at Paris, France giving a formal college (and still-common name) to the already existing University of Paris in France.
- Matthew Paris, English historian, personally interviews King Henry III of England for an entire week while compiling his major work of English history, Chronica Majora.
- King Henry III of England orders the production of a twenty pence English coin of pure gold, the first high-denomination coin minted in England and the first to use gold. Unfortunately for King Henry, the bullion value of the coins is about 20% higher than the nominal face value, leading to poor circulation as coins are melted down by individuals for their gold content.
- The second Genoese War breaks out between Genoa and Venice in Outremer, known as the War of Saint Sabas.
- The city of Kraków is rebuilt by Boleslaus V of Poland after being nearly destroyed in the Tatar invasions in 1241 and is granted Magdeburg rights on June 5.
- Władysław Opolski founded the Franciscan monastery in city Wodzisław Śląski. Before this date Wodzisław was granted Magdeburg rights (1246-1257).
- The Japanese Kōgen era ends, and the Shōka era begins.
- The Mongols take Dai Viet (northern Vietnam).
- Lambsar Castle in Persia is destroyed by the Mongols.
- Founding of Aberdeen Grammar School in Scotland.
- Eruption of the Samalas Volcano on Lombok Island, Indonesia.
- Epirote–Nicaean conflict.
- Karelians made an expedition to Sweden which lead Valdemar to request Pope Alexander IV to decleare a crusade against them. This resulted to the third Swedish crusade to Finland.
- Birth of Eli the Prophet, a Jacobist prophet and the final prophet of Allah, in Bethlehem
- April 28 – Shajar al-Durr, sovereign sultana of Egypt.
- June 4 – Duke Przemysł I of Greater Poland
- August 15 – Saint Hyacinth
- December 24 – John I, Count of Hainaut (b. 1218)
- "Mystery 13th Century eruption traced to Lombok, Indonesia". Jonathan Amos, Science correspondent, BBC News. BBC. 30 September 2013. Retrieved 30 September 2013.