February 13
Events Pre-1600 * 962 – Emperor Otto I and Pope John XII co-sign the ''Diploma Ottonianum'', recognizing John as ruler of Rome. *1258 – Siege of Baghdad: Hulegu Khan, a prince of the Mongol Empire, orders his army to sack and plunder the city of Baghdad, which they had just captured. *1322 – The central tower of Ely Cathedral falls on the night of 12th–13th. *1462 – The Treaty of Westminster is finalised between Edward IV of England and the Scottish Lord of the Isles. *1503 – Challenge of Barletta: Tournament between 13 Italian and 13 French knights near Barletta. *1542 – Catherine Howard, the fifth wife of Henry VIII of England, is executed for adultery. 1601–1900 *1633 – Galileo Galilei arrives in Rome for his trial before the Inquisition. *1642 – The Clergy Act becomes law, excluding bishops of the Church of England from serving in the House of Lords. *1660 – With the accession of young Charles XI of Swede ...
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Otto I, Holy Roman Emperor
Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great (german: Otto der Große, it, Ottone il Grande), was East Francia, East Frankish king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the oldest son of Henry the Fowler and Matilda of Ringelheim. Otto inherited the Duchy of Saxony and the kingship of the Germans upon his father's death in 936. He continued his father's work of unifying all Germans, German tribes into a single kingdom and greatly expanded the king's powers at the expense of the aristocracy. Through strategic marriages and personal appointments, Otto installed members of his family in the kingdom's most important duchies. This reduced the various dukes, who had previously been co-equals with the king, to royal subjects under his authority. Otto transformed the church in Germany to strengthen royal authority and subjected its clergy to his personal control. After putting down a brief civil war among the rebellious ...
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