1263 deaths

political and military figure of Kievan Rus' (1246–1263)

Mindaugas (c. 1203 – 12 September 1263) was the first known Grand Duke of Lithuania and the only crowned King of Lithuania. Little is known of his origins, early life, or rise to power; he is mentioned in a 1219 treaty as an elder duke, and in 1236 as the leader of all the Lithuanians. The contemporary and modern sources discussing his ascent mention strategic marriages along with banishment or murder of his rivals. He extended his domain into regions southeast of Lithuania proper during the 1230s and 1240s. In 1250 or 1251, during the course of internal power struggles, he was baptised as a R

King of Norway

Emperor of Trebizond

was a key Japanese Buddhist figure of the Kamakura Period who is regarded as the founder of the Jōdo Shinshū school of Japanese Buddhism. A pupil of Hōnen, the founder of the Japanese Pure Land movement, Shinran articulated a distinctive Pure Land vision that emphasized faith and absolute reliance on Amida Buddha’s other-power.

Count of Savoy

thumb|Accursius by Cristofano dell'Altissimo. thumb|The grave for Accursius and for his son Franciscus Accursius (1225-1293)|Franciscus, in [[Bologna, Italy.]] Accursius (Italian: Accursio or Accorso di Bagnolo; c. 11821263) was an Italian jurist. He is notable for his organization of the glosses, the medieval comments on Justinian's codification of Roman law, the Corpus Juris Civilis. He was not proficient in the classics, but he was called "the Idol of the Jurisconsults".

Duke of Athens

Boroldai (or Burulday, Borolday), also known as Burundai, (Cyrillic: Боролдай) (died 1263) was a Mongol general of the mid 13th century. He participated in the Mongol invasion of Kievan Rus' and Europe from 1236 to 1242 He distinguished himself in the conquest of Ryazan and Suzdal. He led other Mongol raids of Europe until 1263.

Austrian duchess and royal consort

Japanese shikken of the Kamakura shogunate

Tautvilas (or Tautvila; died 1263) was the Lithuanian prince of Polotsk and one of Dausprungas' sons and nephews of Lithuanian king Mindaugas. Tautvilas together with his brother Gedvydas and uncle Vykintas waged a civil war against Mindaugas. The war resulted in Mindaugas' coronation.

Count of Holstein-Kiel

Catholic cardinal

Spanish rabbi

Rehent of Armenia, lord of Barbaron, The Great Baron

Countess consort of Flanders

Last Ayyubid emir of Homs

French architect

Italian Friar Minor

King of Hoysala

Earl of Oxford

Ruler of Milan