780

Calendar overview 780

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780
Constantine VI becomes Emperor of the Byzantine Empire under the reign of his mother Irene .
780 in other calendars
Armenian calendar	228/229 (turn of the year July)
Ethiopian calendar	772/773
Buddhist calendar	1323/24 (southern Buddhism); 1322/23 (alternative calculation according to Buddha's Parinirvana )
Chinese calendar	57th (58th) cycle Year of the metal monkey庚申 ( at the beginning of the year Earth-Sheep 己未)
Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)	142/143 (turn of the year April)
Iranian calendar	158/159 (around March 21)
Islamic calendar	163/164 (September 5-6)
Jewish calendar	4540/41 (September 3-4)
Coptic calendar	496/497
Roman calendar	ab urbe condita MDXXXIII (1533) Diocletian's era : 496/497 (turn of the year November)
Seleucid era	Babylon: 1090/91 (turn of the year April) Syria: 1091/92 (turn of the year October)
Spanish era	818
Vikram Sambat (Nepalese Calendar)	836/837 (turn of the year April)

Events

Byzantine Asia Minor 780

September 8th : Nine year old Constantine VI. becomes emperor of Byzantium after the death of his father Leo IV under the reign of his mother Irene . The last emperor of the Syrian dynasty comes to the throne at the height of the Byzantine iconoclasm .

The Abbasids under Caliph Al-Mahdi and Prince Hārūn ar-Raschīd used the change of power in the Byzantine Empire to attack.

The West Slavic tribal association of the Abodrites enters into an alliance with the Franconian Empire under Charlemagne against the Saxons , which has feudal traits and probably makes the Abodrites Frankish vassals.
around 780: Æthelberht II. succeeds his late father Æthelred I as King of East Anglia .
around 780: The Viking Age on Orkney begins. The strategic position of the islands between Norway and the Viking target area in the British Isles makes them an ideal starting point for forays .

Allfeld , Altengronau , Altleiningen , Gedern , Herbsleben , Hördt , Kornwestheim , Bad Lippspringe , Niederstetten , Oberaudorf , Rossinière , Niederklein and Wiesent were first mentioned in a document

around 780: Knetzgau is mentioned for the first time in the Ilbic deed of donation.

Charlemagne introduced uniform systems of measurement for the royal foot as a measure of length and the Karl pound (approx. 407 g) as a measure of weight.

Establishment of the Osnabrück diocese , around which the Osnabrück settlement soon developed
Eanbald I becomes Archbishop of York .
Paul IV becomes Patriarch of Constantinople , succeeding Nicetas.
Higbald becomes bishop of Lindisfarne monastery .
Willehad begins missionary work on the lower Weser.
Transfer of the bones of St. Wigbert to the Hersfeld Abbey
780 or 782 : Under Lullus the diocese of Mainz is raised to the archbishopric of Austrasia .

Ahmad ibn Hanbal , Islamic theologian and legal scholar († 855 )
John VII Grammatikos , Patriarch of Constantinople († around 865 )
around 780: Friedrich I , Bishop of Utrecht, saint of the Catholic Church († 838 )
around 780: Rabanus Maurus , abbot of the Fulda monastery and archbishop of Mainz († 856 )
around 780: Al-Khwarizmi , choresmist polymath, mathematician, astronomer and geographer († between 835 and 850)
around 780: Irmingard von Hespengau , Franconian noblewoman, wife of Emperor Ludwig the Pious from the house of the Robertines († 818 )
around 780: Hugo von Tours , Franconian Count from the House of Etichons († 837 )

Commons : 780 - Collection of pictures, videos and audio files