847

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Heads of State · Nekrolog

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847
Leo IV becomes Pope and has the Vatican City fortified against attacks by the Arabs .	Rabanus Maurus publishes a new edition of De rerum naturis .
847 in other calendars
Armenian calendar	295/296 (turn of the year July)
Ethiopian calendar	839/840
Buddhist calendar	1390/91 (southern Buddhism); 1389/90 (alternative calculation according to Buddha's Parinirvana )
Chinese calendar	59th (60th) cycle Year of the Fire Rabbit 丁卯 ( at the beginning of the year Fire Tiger 丙寅)
Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)	209/210 (turn of the year April)
Iranian calendar	225/226 (around March 21)
Islamic calendar	232/233 (August 16/17)
Jewish calendar	4607/08 (September 14-15)
Coptic calendar	563/564
Malayalam calendar	22/23
Roman calendar	from urbe condita MDC (1600) Diocletian's era : 563/564 (New Year November)
Seleucid era	Babylon: 1157/58 (turn of the year April) Syria: 1158/59 (turn of the year October)
Spanish era	885
Vikram Sambat (Nepalese Calendar)	903/904 (turn of the year April)

Events

Politics and world events

Italy

• April 10th : Leo IV becomes Pope.
• Pope Leo IV fortifies the Leostadt (the Vatican quarter ).
• Fire in the Roman district of Borgo

Viking age

• Viking Age : The Vikings plunder the Lower Rhine .
• In Brittany , the local ruler Nominoë fights the Vikings and is largely able to drive them out.

Abbasid Empire

• August 10 : al-Wāthiq , Abbasid caliph , dies. His brother al-Mutawakkil prevailed over his sons as successors.

religion

• Rabanus Maurus becomes Archbishop of Mainz as the successor to Otgar von Mainz , who died on April 21st .
• After the destruction of Hamburg by the Danes, the two dioceses of Bremen and Hamburg are brought together at a synod in Mainz . Bremen becomes the bishopric .

Born

• al-Mu'tazz bi-'llāh , Abbasid caliph († 869 )

Died

Date of death secured

• January 12th : Baturich , Bishop of Regensburg
• January 27 : Sergius II , Pope (* around 790 )
• April 21 : Otgar von Mainz , Archbishop of Mainz
• May 27th : Hetti , Archbishop of Trier

The death of al-Wāthiq from the Tarich-i Alfi manuscript

• August 10 : al-Wāthiq , Abbasid caliph (* 816 )

Exact date of death unknown

• Altwin , Bishop of Eichstätt
• Boniface II of Lucca , Margrave of Tuscany (* 788 )

Web links

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