784

Updated on Sep 26, 2024

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Year 784 (DCCLXXXIV) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 784 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Europe

Saxon Wars: King Charlemagne begins a campaign in northern Saxony. He ravages Eastphalian territory as far as the Elbe River, while his son, Charles the Younger, defeats a Saxon force in the Lippe Valley. Bad weather hinders Charlemagne's winter campaign in southern Saxony.

Winter – Charlemagne returns to Eresburg and builds a church, probably on the site of the Irminsul (a pagan religious site). Frankish forces based at Eresburg attack 'rebel' Saxon settlements, and take control of the roads. Charlemagne himself takes part in some of these raids.

Arabian Empire

Abd al-Rahman I, Muslim emir of Córdoba (Al-Andalus), begins the construction of the Prayer Hall, the Great Mosque of Córdoba. He uses the mosque (originally called Aljama Mosque) as an adjunct to his palace, and names it in honour of his wife.

Asia

The Japanese begin a war against the Ainu, in the north, on the main island of Honshu. Emperor Kanmu wishes to be free from the influence of the Buddhist monasteries around Nara (then called Heijō), and moves the capital to Nagaoka, ending the Nara period.