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:''For broader historical context, see 1240s and 13th century.''

'Years:' 1245 1246 1247 - 1248 - 1249 1250 1251

'Decades:' 1210s 1220s 1230s - '1240s' - 1250s 1260s 1270s

'Centuries:' 12th century - '13th century' - 14th century

Contents

Events

Births

Deaths

Events

★ April 26 - The Gothic chapel Sainte-Chapelle is concecrated in Paris, France.

★ August 15 - The foundation stone of the Cologne cathedral is laid after an older cathedral on the site burns down in April 30 of that year. Construction was completed 632 years later, in 1880.

★ King Louis IX of France launches the Seventh Crusade, leading an army of 20,000 toward Egypt.

★ King Ferdinand III of Castile recaptures the city of Seville from the Moors during the Reconquista.

★ Roger Bacon publishes the formula of black powder in Europe.

★ Pope Innocent IV grants the Croats permission to use their own language and script in liturgy (see Glagolitic alphabet).

★ Construction on the Alhambra palace, in Granada, Spain, is begun by the Moors.

★ The University of Piacenza is founded.

★ Tallinn (Reval) receives Lübeck Rights

Births

★ Blanche of Artois, regent of Navarre (approximate date; died 1300)

★ Robert II, Duke of Burgundy (died 1306)

★ Gao Kegong, Chinese painter

★ King Charles II of Naples (approximate date)

★ Peter Olivi, Franciscan theologian

Deaths

★ January 4 - King Sancho II of Portugal

★ February 1 - Henry II, Duke of Brabant (born 1207)

★ Adachi Kagemori, Japanese samurai

★ Güyük Khan, ruler of the Mongol Empire

★ King Harald of the Isle of Man