|Ab urbe condita||1952|
|Balinese saka calendar||1120–1121|
|English Regnal year||10 Ric. 1 – 1 Joh. 1|
|Chinese calendar||戊午年 (Earth Horse)|
3895 or 3835
— to —
己未年 (Earth Goat)
3896 or 3836
|- Vikram Samvat||1255–1256|
|- Shaka Samvat||1120–1121|
|- Kali Yuga||4299–4300|
|Japanese calendar||Kenkyū 10 / Shōji 1|
|Minguo calendar||713 before ROC|
|Seleucid era||1510/1511 AG|
|Thai solar calendar||1741–1742|
1325 or 944 or 172
— to —
1326 or 945 or 173
|Wikimedia Commons has media related to 1199.|
- January 13 – A short-lived truce is declared, between England and France.
- March 25 – King Richard I of England is shot in the left shoulder with a crossbow, by French boy Pierre Basile, at the siege of the castle of Châlus in France. The war between the kingdoms of England and France has become so brutal, that Hugh of Lincoln is warned that "nothing now is safe, neither the city to dwell in nor the highway for travel".
- April 6 – King Richard I of England dies from gangrene, caused by his crossbow wound. His younger brother, John, becomes king of England. Richard's jewels are left to his nephew, Otto, King of the Romans. As a result of Richard's death, French soldier Mercadier has Pierre Basile flayed alive and hanged.
- King Philip II of France renews his war against John, King of England, supporting the rival claim to the English throne of Arthur I, Duke of Brittany.
- St Laurence's Church, Ludlow, in England is rebuilt.
- January 23 – !Abu Yusuf Yaqub al-Mansur!, Almohad Caliph (b. 1160)
- February 9 – Minamoto no Yoritomo, Japanese shōgun (b. 1147)
- February 13 – Stefan Nemanja, Serbian Grand Prince and founder of Nemanjić dynasty (b. 1113)
- March 17 – Jocelin of Glasgow, Scottish bishop
- April 6 – Richard the Lionheart, King of England (of wound) (b. 1157)
- September 4 – Joan of England, Queen of Sicily, married to William II of Sicily (b. 1165)
- Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 73–75. ISBN 0-7126-5616-2.
- Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 129–131. ISBN 0-304-35730-8.
- King John by Warren. Published by University of California Press in 1961. p. 63
- Warren, Lewis (1961). King John. University of California Press. p. 48.