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Millennium: 2nd millennium
1257 in various calendars
Gregorian calendar1257
Ab urbe condita2010
Armenian calendar706
Assyrian calendar6007
Balinese saka calendar1178–1179
Bengali calendar664
Berber calendar2207
English Regnal year41 Hen. 3 – 42 Hen. 3
Buddhist calendar1801
Burmese calendar619
Byzantine calendar6765–6766
Chinese calendar丙辰年 (Fire Dragon)
3954 or 3747
    — to —
丁巳年 (Fire Snake)
3955 or 3748
Coptic calendar973–974
Discordian calendar2423
Ethiopian calendar1249–1250
Hebrew calendar5017–5018
Hindu calendars
 - Vikram Samvat1313–1314
 - Shaka Samvat1178–1179
 - Kali Yuga4357–4358
Holocene calendar11257
Igbo calendar257–258
Iranian calendar635–636
Islamic calendar654–655
Japanese calendarKōgen 2 / Shōka (era) 1
Javanese calendar1166–1167
Julian calendar1257
Korean calendar3590
Minguo calendar655 before ROC
Nanakshahi calendar−211
Thai solar calendar1799–1800
Tibetan calendar阳火龙年
(male Fire-Dragon)
1383 or 1002 or 230
    — to —
(female Fire-Snake)
1384 or 1003 or 231
Seal of Richard of Cornwall (1909)

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


By place[edit]


British Isles[edit]

  • Battle of Cadfan: An English expeditionary army under Stephen Bauzan is ambushed and defeated by Welsh forces. The English are decimated by devastating guerilla attacks and the Welsh capture the English supply train. Stephen Bauzan is killed along with some 1,000–3,000 of his men. The remaining English flee the battle, Prince Llywelyn ap Gruffudd is said to have been present at the battle, collecting spoils from the fallen English army. According to sources, it is one of the greatest victories of a Welsh army in the field against a much more powerful English force.[3]
  • King Henry III orders the production of a twenty pence, English coin of pure gold. Unfortunately, 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.
  • Henry III relents to the demands of his son Edward (the Lord Edward) for assistance to fight the Welsh (see 1256). He joins him on a campaign to retake the territories lost to the Welsh forces led by Llywelyn ap Gruffudd.
  • Battle of Creadran Cille: Norman invading forces under Maurice FitzGerald are driven out by Gofraid O'Donnell in northern Connacht. Later, FitzGerald is killed in personal combat by O'Donnell, on May 20.[4]


Mongol Empire[edit]


  • March – The Japanese Kōgen era ends and the Shōka era begins during the reign of the 14-year-old Emperor Go-Fukakusa (until 1259).

By topic[edit]

City and Towns[edit]



  • Matthew Paris, English monk and chronicler, personally interviews Henry III for an entire week while compiling his major work of English history, Chronica Majora.

Natural Disaster[edit]




  1. ^ Hywel Williams (2005). Cassell's Chronology of World History, p. 143. ISBN 0-304-35730-8.
  2. ^ Fine, John Van Antwerp (1994). The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest, pp. 160–161. Ann Arbor, Michigan: University of Michigan Press. ISBN 0-472-08260-4.
  3. ^ "Archived copy". Archived from the original on October 7, 2011. Retrieved April 13, 2009.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ Chisholm, Hugh, ed. (1911). O'Donnell – Encyclopædia Britannica, pp. 6–8. Vol 20 (11th ed.). Cambridge University Press.
  5. ^ Steven Runciman (1952). A History of The Crusades. Vol III: Kingdom of Acre, p. 238. ISBN 978-0-241-29877-0.
  6. ^ Rossabi, Morris (2009). Khubilai Khan: His Life and Times, pp. 24–27. University of California Press. ISBN 978-0-520-26132-7.
  7. ^ Steven Runciman (1952). A History of The Crusades. Vol III: Kingdom of Acre, p. 252. ISBN 978-0-241-29877-0.
  8. ^ "La fondation de la Sorbonne au Moyen Âge par le théologien Robert de Sorbon". La Chancellerie des Universités de Paris. Retrieved March 4, 2021.
  9. ^ Amos, Jonathan (September 30, 2013). "Mystery 13th Century eruption traced to Lombok, Indonesia". BBC News. BBC. Retrieved September 30, 2013.
  10. ^ Alberge, Dalya (August 4, 2012). "Mass grave in London reveals how volcano caused global catastrophe". The Guardian. London.