13th-century deaths

Leonardo Bonacci ( – ), commonly known as Fibonacci, was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages".

Persian poet

medieval poet

Börte Üjin (; Mongolian: ), better known as Börte (), was the first wife of Temüjin, who became Genghis Khan, the founder of the Mongol Empire. Börte became the head of the first Court of Genghis Khan, and Grand Empress of his Empire. She was betrothed to Genghis at a young age, married at seventeen, and then kidnapped by a rival tribe. Her husband's rescue of her is considered one of the key events that started him on his path to becoming a conqueror. She gave birth to four sons and five daughters, who, along with their own descendants, were the primary bloodline in the expansion of the Mongo

Occitan troubadour

Italian noble woman

Queen of Jerusalem

Bulgarian ruler

Empress regnant of Trebizond, nun (1253-1285)

Emperor of Trebizond

Shvarn or Shvarno (Old Ruthenian: Шварно; ; ; ; – ) was Grand Duke of Lithuania from 1267 to 1269. He was also the prince of Kholm from 1264 to 1269. An influential leader, he became involved in internal struggles of power within the neighboring Grand Duchy of Lithuania.

artist from Picardy in Northern France

King of Serbia

Persian historian

Armenian artist (1210-1270)

Byzantine wife of 13th century Mongol ruler, Abaqa Khan

early investigator of magnetism

Ali çekdar 1198-1200

Bulgarian ruler

13th-century Flemish poet

Grand Prince of Zeta (1165-1207)

Historian of the Crusades

architect (1120-1300)

Duke of Athens

Occitan poet and countess of Forcalquier

French poet and diplomat

medieval poet, chronicler, and ecclesiastical writer (1160-1229)

Boyar and killer of Asen

Bulgarian noble

Queen consort of Denmark

Grand Prince of Kyiv (1173-1218)

Megas domestikos of the Empire of Nicaea

Empress consort of Bulgaria

empress of Genghis Khan and head of the second Court of Genghis Khan

politician

Count of Zollern and Burgrave of Nuremberg

French poet

Cypriot bishop

Count of Nassau (1251-1289/90)

Vlach warlord

Princess of Nicaea

French trouvère

Czech rabbi

Byzantine despot

Ruler of Shiraz

German abbot and chronicler

6th Grand Master of the Knights Hospitaller

Swedish Queen consort

German poet

Count of Nassau (1198-1247)

Byzantine archbishop and judge

queen consort of Serbia

13th century Iranian historian

Armenian queen

Genoese brothers, explorers and merchants

Count palatine of Cephalonia and Zakynthos

Spanish noble

Diplomat of the Holy See

Duke of Pomerania

Anna-Euphrosyne Angelina or Anna-Helena Angelina (?–1253), was a Princess of Galicia and Volhynia by marriage to Roman the Great, in 1199–1205. She was regent of the Principality during the minority of her son Daniel of Galicia from 1205 to 1214.