Historical Events
- May 15 Archbishop Konrad von Hochstaden lays cornerstone for Cologne Cathedral
- Aug 15 Construction of the new Cologne Cathedral in the Gothic style begins with the laying of the foundation stone by Archbishop Konrad von Hochstaden (completed 1880)
- Aug 25 The Dutch city of Ommen receives city rights and fortification rights from Otto III, the Archbishop of Utrecht.
- Nov 1 Earl William II of Holland crowned as King of Germany
- Nov 23 Conquest of Seville by Christian troops under King Ferdinand III of Castile after the city capitulates
- Dec 21 Earthquake in England causes Wells' cathedral roof to collapse
Famous People Who Died in 1248
- Jan 4 Sancho II, King of Portugal (1223-47), dies at 41
- Feb 1 Hendrik II, Duke of Brabant (1235-48), dies at 40