Historical Events
- Aug 18 The city of Riga is founded
Famous People Born in 1201
- Feb 18 Nasir al-Din al-Tusi, Persian philosopher, architect and mathematician (Tadhkirah fi ʿilm al-hay), born in Ṭūs, Khorāsān (d. 1274)
- Aug 9 Arnold Fitz Thedmar, English chronicler of the mayors and sheriffs of London in 1188–1274, born in London (d. 1274, death reported 1275)
- Oct 9 Robert de Sorbon, French theologian and founder of the Sorbonne College, born in Sorbon, France (d. 1274)
Famous People Who Died in 1201
- Mar 21 Absalon, Danish statesman and archbishop (built Copenhagen's first fortifications), dies (b. c. 1128)
- Jul 20 Agnes of France, queen of France, dies [or 7/18]
- Sep 5 Constance, Duchess of Brittany (b. 1161)