Major Events
- Aug 18 The city of Riga is founded
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)
- May 30 Theobald de Champagne, French ruler (Count of Champagne; King of Navarre, 1234-53), poet, and troubadour, born in Troyes, County of Champagne (d. 1253)
- 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)
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, dies at about 40 (birth date c. 1161)
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V