Explore 66 historical events from 1250–1259.
Mamluk or Mamaluk were non-Arab, ethnically diverse enslaved mercenaries, slave-soldiers, and freed slaves who were assigned high-ranking military and administrative duties in the …
Mamluks under Baybars murder the Ayyubid sultan Turanshah for fear of losing their privileges
Meinhard III, a member of the House of Gorizia, was Count of Gorizia from 1231 and Count of Tyrol from 1253 until his death.
Meinhard I, Count of Gorizia-Tyrol (born c. 1200)
Louis IX, also known as Saint Louis, was King of France from 1226 until his death in 1270. He is widely recognized as the most distinguished of the Direct Capetians. Following the …
Louis IX of France and James I of Aragon sign the Treaty of Corbeil, renouncing claims of feudal overlordship in one ano
Nichiren was a Japanese Buddhist monk and philosopher of the Kamakura period. His teachings form the basis of Nichiren Buddhism, a unique branch of Japanese Mahayana Buddhism base…
Nichiren, a Japanese Buddhist monk, propounds Namu Myōhō Renge Kyō for the first time and declares it to be the essence
Shajar al-Durr, also Shajarat al-Durr, whose royal name was al-Malika ʿAṣmat ad-Dīn ʾUmm-Khalīl Shajar ad-Durr, was a ruler of Egypt of Turkic origin. She was the wife of As-Salih …
Shajar al-Durr, sovereign sultana of Egypt
Walter de Gray was an English prelate and statesman who was Archbishop of York from 1215 to 1255 and Lord Chancellor from 1205 to 1214. His uncle was John de Gray, who was a bishop…
Walter de Gray, English prelate and statesman
Przemysł I, a member of the Piast dynasty, was Duke of Greater Poland from 1239 until his death, from 1241 with his brother Bolesław the Pious as co-ruler. He was able to re-acquir…
Przemysł I of Greater Poland (born 1221)
Augustinians are members of several religious orders that follow the Rule of Saint Augustine, written about 400 A.D. by Augustine of Hippo. There are two distinct types of Augustin…
The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet
Pope Innocent IV, born Sinibaldo Fieschi, was head of the Catholic Church and ruler of the Papal States from 25 June 1243 to his death in 1254.
Pope Innocent IV issues the papal bull ad extirpanda, which authorizes, but also limits, the torture of heretics in the
Peter I was the second son of King Sancho I of Portugal and his wife Dulce, infanta of Aragon, and would eventually become Count of Urgell and Lord of the Balearic Islands. Most of…
Peter I, Count of Urgell
Christopher I was King of Denmark between 1252 and 1259. He was the son of Valdemar II of Denmark by his second wife, Berengaria of Portugal. He succeeded his brothers Eric IV Plov…
Christopher I of Denmark (born 1219)
Manfred was the last King of Sicily from the Hohenstaufen dynasty, reigning from 1258 until his death. The natural son of the Holy Roman Emperor Frederick II, Manfred became regent…
Wedding of Manfred, King of Sicily, and Byzantine princess Helena Angelina Doukaina
The Provisions of Westminster of 1259 were part of a series of legislative constitutional reforms that arose out of power struggles between Henry III of England and his barons. The…
The Provisions of Westminster, a law reform programme resulting out of the conflict of king Henry III of England and…
Gojong (1192–1259), personal name Wang Cheol, was the 23rd king of the Korean Goryeo dynasty, ruling from 1213 to 1259. Gojong's reign was marked by prolonged conflict with the Mon…
Gojong of Goryeo
Möngke Khan was the fourth khagan of the Mongol Empire, ruling from 1 July 1251 to 11 August 1259. He was the first Khagan from the Toluid line, and made significant reforms to imp…
Möngke Khan, Mongolian emperor (born 1208)
Ezzelino III da Romano was an Italian feudal lord, a member of the Ezzelini family, in the March of Treviso. He was a close ally of the emperor Frederick II, and ruled Verona, Vice…
Ezzelino III da Romano, Italian ruler
Louis IX, also known as Saint Louis, was King of France from 1226 until his death in 1270. He is widely recognized as the most distinguished of the Direct Capetians. Following the …
Louis IX of France and James I of Aragon sign the Treaty of Corbeil, renouncing claims of feudal overlordship in one ano
The War of Saint Sabas (1256–1270) was a conflict between the rival Italian maritime republics of Genoa and Venice over control of Acre, in the Kingdom of Jerusalem.
War of Saint Sabas: In the Battle of Acre, the Venetians defeat a larger Genoese fleet sailing to relieve Acre
Frederick II was King of Sicily from 1198, King of Germany from 1212, King of Italy and Holy Roman Emperor from 1220, and King of Jerusalem from 1225 to 1228. He was the son of Emp…
Manfred, illegitimate son of Frederick II, is crowned king of Sicily.
George Mouzalon was a high official of the Empire of Nicaea under Theodore II Laskaris.
Regent George Mouzalon and his brothers are killed during a coup headed by the aristocratic faction under Michael VIII…
Peter I was the second son of King Sancho I of Portugal and his wife Dulce, infanta of Aragon, and would eventually become Count of Urgell and Lord of the Balearic Islands. Most of…
Peter I, Count of Urgell
Meinhard III, a member of the House of Gorizia, was Count of Gorizia from 1231 and Count of Tyrol from 1253 until his death.
Meinhard I, Count of Gorizia-Tyrol (born c. 1200)
George Mouzalon was a high official of the Empire of Nicaea under Theodore II Laskaris.
George Mouzalon, regent of the Empire of Nicaea
George Mouzalon was a high official of the Empire of Nicaea under Theodore II Laskaris.
George Mouzalon, the regent of the Empire of Nicaea, was assassinated as part of a conspiracy led by nobles under the…
Theodore II Doukas Laskaris or Ducas Lascaris was Emperor of Nicaea from 1254 to 1258. He was the only child of Emperor John III Doukas Vatatzes and Empress Irene Laskarina. His mo…
Theodore II Laskaris, Byzantine-Greek emperor (born 1222)
Theodore II Doukas Laskaris or Ducas Lascaris was Emperor of Nicaea from 1254 to 1258. He was the only child of Emperor John III Doukas Vatatzes and Empress Irene Laskarina. His mo…
Theodore II Laskaris, emperor of Nicea (Byzantine emperor in exile)
Richard was an English prince who was King of the Romans from 1257 until his death in 1272. He was the second son of John, King of England, and Isabella, Countess of Angoulême. Ric…
Richard of Cornwall, and his wife, Sanchia of Provence, are crowned King and Queen of the Germans at Aachen Cathedral
Kraków, officially the Royal Capital City of Kraków, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the c…
Kraków, in Poland, receives city rights
Robert de Vere, 6th Earl of Oxford was the son and heir of Robert de Vere, 5th Earl of Oxford, by his wife Alice de Sanford.
Robert de Vere, 6th Earl of Oxford, English nobleman (probable; (died 1331)
Shajar al-Durr, also Shajarat al-Durr, whose royal name was al-Malika ʿAṣmat ad-Dīn ʾUmm-Khalīl Shajar ad-Durr, was a ruler of Egypt of Turkic origin. She was the wife of As-Salih …
Shajar al-Durr, sovereign sultana of Egypt
Przemysł I, a member of the Piast dynasty, was Duke of Greater Poland from 1239 until his death, from 1241 with his brother Bolesław the Pious as co-ruler. He was able to re-acquir…
Przemysł I of Greater Poland (born 1221)
Hyacinth was a Polish Dominican priest and missionary who worked to reform the women's monasteries in his native Poland. Educated in Paris and Bologna, he was a Doctor of Sacred St…
Saint Hyacinth of Poland
Przemysł II was the Duke of Poznań from 1257–1279, of Greater Poland from 1279 to 1296, of Kraków from 1290 to 1291, and Gdańsk Pomerania (Pomerelia) from 1294 to 1296, and then Ki…
Przemysł II of Poland (died 1296)
Bolesław V the Chaste was Duke of Sandomierz in Lesser Poland from 1232 and High Duke of Poland from 1243 until his death, as the last male representative of the Lesser Polish bran…
Bolesław V, High Duke of Poland, granted city rights to Kraków modelled on the Magdeburg town charter