20 SEPTEMBER: WHAT HAPPENED ON THIS DAY?
1058 – Agnes of Poitou and Andrew I of Hungary meet to negotiate about the border territory of Burgenland.[1] 1066 – At the Battle of Fulford, Harald Hardrada defeats earls Morcar and Edwin.[2] 1187 – Saladin begins the Siege of Jerusalem. 1260 – The Great Prussian Uprising among the old Prussians begins against the Teutonic Knights.[3] 1378 – Cardinal Robert of Geneva is elected as Pope Clement VII, beginning the Papal schism. […]
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