From Wikipedia, the free encyclopedia
|1252 by topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1252 in poetry|
|Ab urbe condita||2005|
|Balinese saka calendar||1173–1174|
|English Regnal year||36 Hen. 3 – 37 Hen. 3|
|Chinese calendar||辛亥年 (Metal Pig)
3948 or 3888
— to —
壬子年 (Water Rat)
3949 or 3889
|- Vikram Samvat||1308–1309|
|- Shaka Samvat||1173–1174|
|- Kali Yuga||4352–4353|
|Japanese calendar||Kenchō 4
|Minguo calendar||660 before ROC
|Thai solar calendar||1794–1795|
1378 or 997 or 225
— to —
1379 or 998 or 226
|Wikimedia Commons has media related to 1252.|
- April 6 – Saint Peter of Verona is assassinated by Carino of Balsamo.
- May 15 – Pope Innocent IV issues the papal bull Ad exstirpanda, which authorizes the torture of heretics in the Medieval Inquisition. Torture quickly gains widespread usage across Catholic Europe.
- December 25 – Christopher I of Denmark is crowned King of Denmark, in the Lund Cathedral.
- The Polish land of Lebus is incorporated into the German state of Brandenburg, marking the start of Brandenburg's expansion into previously Polish areas (Neumark).
- The Swedish city of Stockholm is founded, by Birger Jarl.
- The Lithuanian city of Klaipėda (Memel) is founded by the Teutonic Knights.
- The town and monastery of Orval Abbey in Belgium burn to the ground; rebuilding takes 100 years.
- Thomas Aquinas travels to the University of Paris, to begin his studies there for a masters degree.
- In astronomy, work begins on the recording of the Alfonsine tables.
- The classic Japanese text Jikkunsho is completed.
- The Chinese era Chunyou ends.
- The Mongols take the westernmost province of the Song Dynasty empire.
- March 25 – Conradin, Duke of Swabia (d. 1268)
- Safi-ad-din Ardabili, Persian Sufi leader
- Eleanor de Montfort, princess of Wales (d. 1282)
- January – Bohemond V, Prince of Antioch
- January 23 – Isabella, Queen of Armenia
- February 3 – Sviatoslav III of Vladimir, Prince of Novgorod (b. 1196)
- April 6 – Saint Peter of Verona
- May 3 or May 4 – Günther von Wüllersleben, Grand Master of the Teutonic Knights
- May 30 – King Ferdinand III of Castile and Leon
- June 6 – Robert Passelewe, Bishop of Chichester
- June 9 – Otto I, Duke of Brunswick-Lüneburg
- June 29 – Abel, King of Denmark (b. 1218)
- August 1 – Giovanni da Pian del Carpine, Italian chronicler of the Mongol Empire
- November 27 – Blanche of Castile, queen of Louis VIII of France and regent of France (b. 1188)
- date unknown