|Ab urbe condita||1999|
|Balinese saka calendar||1167–1168|
|English Regnal year||30 Hen. 3 – 31 Hen. 3|
|Chinese calendar||乙巳年 (Wood Snake)|
3942 or 3882
— to —
丙午年 (Fire Horse)
3943 or 3883
|- Vikram Samvat||1302–1303|
|- Shaka Samvat||1167–1168|
|- Kali Yuga||4346–4347|
|Japanese calendar||Kangen 4|
|Minguo calendar||666 before ROC|
|Thai solar calendar||1788–1789|
1372 or 991 or 219
1373 or 992 or 220
|Wikimedia Commons has media related to 1246.|
- Emperor Go-Fukakusa succeeds Emperor Go-Saga, on the throne of Japan.
- Güyük Khan is enthroned as the 3rd Great Khan of the Mongol Empire (an event also witnessed by a papal mission under Giovanni da Pian del Carpine), at Karakorum.
- With the death of Duke Frederick the Quarrelsome, the Babenberg Dynasty ends in Austria.
- Spain: After two unsuccessful sieges in 1225 and 1230, the Castillans manage to take the city of Jaén from the Andalucians, at the Siege of Jaen.
- The Gothic chapel of Sainte-Chapelle is built.
- Robert Grosseteste translates Aristotle's Nicomachean Ethics from Greek into Latin, which marks the true start of the rediscovery of the philosopher by medieval Europe.
- Beaulieu Abbey is dedicated.
- September 14 – John FitzAlan, 7th Earl of Arundel (d. 1272)
- date unknown
- February 25 – Dafydd ap Llywelyn, prince of Wales
- June – Richard Fitz Roy, illegitimate son of John of England
- June 4 – Isabella of Angoulême, queen of John of England
- June 15 – Duke Frederick II, Duke of Austria (b. 1219)
- September 20 – Mikhail of Chernigov, Prince of Kiev
- September 30 – Yaroslav II of Russia (b. 1190)
- November 8 – Berengaria of Castile, queen of Castile and León (b. 1196)
- date unknown
- Linehan, Peter (1999). "Chapter 21: Castile, Portugal and Navarre". In Abulafia, David (ed.). The New Cambridge Medieval History c.1198-c.1300. Cambridge: Cambridge University Press. pp. 668–699 . ISBN 0-521-36289-X.
- Munro, John H. (2003). "The Medieval Origins of the Financial Revolution". The International History Review. 15 (3): 506–562.