1257

This article is about the year 1257.

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1220s  1230s  1240s  – 1250s –  1260s  1270s  1280s
Years:	1254 1255 1256 – 1257 – 1258 1259 1260

1257 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

Art and literature

1257 in poetry

1257 in other calendars

Gregorian calendar	1257 MCCLVII
Ab urbe condita	2010
Armenian calendar	706 ԹՎ ՉԶ
Assyrian calendar	6007
Bengali calendar	664
Berber calendar	2207
English Regnal year	41 Hen. 3 – 42 Hen. 3
Buddhist calendar	1801
Burmese calendar	619
Byzantine calendar	6765–6766
Chinese calendar	丙辰年 (Fire Dragon) 3953 or 3893     — to — 丁巳年 (Fire Snake) 3954 or 3894
Coptic calendar	973–974
Discordian calendar	2423
Ethiopian calendar	1249–1250
Hebrew calendar	5017–5018
Hindu calendars
- Vikram Samvat	1313–1314
- Shaka Samvat	1179–1180
- Kali Yuga	4358–4359
Holocene calendar	11257
Igbo calendar	257–258
Iranian calendar	635–636
Islamic calendar	654–655
Japanese calendar	Kōgen 2 / Shōka 1 (正嘉元年)
Julian calendar	1257 MCCLVII
Korean calendar	3590
Minguo calendar	655 before ROC 民前655年
Thai solar calendar	1799–1800

Year 1257 (MCCLVII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

• Robert de Sorbon founds the Collège de Sorbonne at Paris, 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.

Births

• October 14 – King Przemysł II of Poland (d. 1296)
• Beatrice of Burgundy (d. 1310)

Deaths

• June 4 – Duke Przemysł I of Greater Poland
• August 15 – Saint Hyacinth
• December 24 – John I, Count of Hainaut (b. 1218)