Re: Event of the Year
 

1246

:jossun:

- End of the reign of Emperor Go-Saga, emperor of Japan.

- Emperor Go-Fukakusa ascends to the throne of Japan.

- Güyük Khan is enthroned as the 3rd Great Khan of the Mongol Empire.

- A papal mission under Giovanni da Pian del Carpine arrives at Karakorum and witnesses this event.

Re: Event of the Year
 

1245

- Rebellion against king Sancho II of Portugal in favor of his brother Alphonso.

- The rebuilding of Westminster Abbey is started.

- Pope Innocent IV sends Giovanni da Pian del Carpine to the Mongol court, suggesting (amongst other things) that the Mongols convert to Christianity.

- First Council of Lyon

Re: Event of the Year
 

1244

:jossun:

- Dogen Zenji establishes the Eiheiji temple in Japan, in doing so founding the Soto sect of Zen Buddhism.

- Sultan Malik al-Muattam razes the city walls of Jerusalem.

- James I of Aragon reconquers Altea, Spain.

- Surrender of the Cathars of Montségur after a nine month siege

Re: Event of the Year
 

1243

Castile captures the city of Murcia from the Moors.

Re: Event of the Year
 

1242

April 5 - During a battle on the ice of Lake Peipus, Russian forces, led by Alexander Nevsky, rebuff an invasion attempt by the Teutonic Knights.

Re: Event of the Year
 

1241

:jossun:

- April 9 - Mongols of Golden Horde under the command of Subotai defeat feudal Polish nobility, including Knights Templar, in the battle of Liegnitz.

- April 11 - Batu Khan defeats Béla IV of Hungary at the Battle of Mohi.

- April 27 - Mongols defeat Bela IV of Hungary in the battle of Sajo.

- Snorri Sturluson, Icelandic saga writer, is murdered by Gissur Þorvaldsson, an emissary of the King of Norway.

Re: Event of the Year
 

1240

- Batu Khan and the Golden Horde sack the Ruthenian city of Kiev

- Mandinka prince Sundiata Keita defeats Sosso king Soumaoro Kanté at the Battle of Kirina, beginning the Mali Empire.

- July 15 - Russian prince Alexander Nevsky defeats the Swedes in the Battle of the Neva, saving Russia from a full-scale enemy invasion from the North.

Re: Event of the Year
 

1239 :jossun:

Births:

- June 17 - King Edward I of England (died 1307)
- December 17 - Kujo Yoritsugu, Japanese shogun (died 1256)
- Peter III of Aragon (died 1285)
- John II, Duke of Brittany (died 1305)
- Ippen, Japanese monk (died 1289)

Re: Event of the Year
 

1238

Battle of the Sit River was fought in the northern part of the present-day Yaroslavl Oblast of Russia between the Mongol Hordes of Batu Khan and the Russians under George II of Vladimir-Suzdal (also known as Yuri II) during the Mongol invasion of Russia.

Re: Event of the Year
 

1237

:jossun:

- Thomas II of Savoy becomes count of Flanders.
- Elblag, Poland is founded.
- The Mongols invade Russia.
- Gualdo Tadino, Italy, is destroyed by fire.
- The County of Artois is founded in France.