April 17 in History
1080 – Harald III of Denmark dies and is succeeded by Canute IV, who would later be the first Dane to be canonized.
1349 – The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of …
February 8 in History
421 – Constantius III becomes co-Emperor of the Western Roman Empire.
1238 – The Mongols burn the Russian city of Vladimir.
1250 – Seventh Crusade: Crusaders engage Ayyubid forces in the Battle of Al…