|Covid-19|King Charlemagne orders a 3 kilometres' long channel dug from Treuchtlingen to Weißenburg (the Rhine and Danube river basins), to improve the transportation of goods between the Rhineland and Bavaria. Charlemagne's son, Pepin of Italy, campaigns against the Lombards in Benevento (Southern Italy).
Frisian–Frankish War: Count Theoderic is sent to Frisia, to muster troops for another offensive against the Avar Khaganate. He is attacked and probably killed by Saxon rebels, near the mouth of the Weser River. The Frisians revolt, and Charlemagne deports Saxon families from north of the river Elbe.
June 8 – Vikings raiders attack the Northumbrian coast, arriving in long ships from modern-day Norway, and sacking the monastery of Lindisfarne. Many of the monks are killed, in this first recorded Viking attack on what is now England.
Emir Hisham I of Córdoba calls for a jihad ("Holy War") against the Christian Franks. He assembles an army of 100,000 men, half of which attacks the Kingdom of Asturias, while the other half invades Languedoc, penetrating as far as Narbonne.
Arab traders make Baghdad a financial center of the Silk Road between China and Europe. Caravans carry little or no money on their long journeys; Chinese traders use what they call fei qian ("flying money") to avoid robbery. The Arabs have adopted a similar banking system known as hawala to transmit funds (approximate date).
King Offa of Mercia founds an abbey at St. Albans.
Arnulf of Sens, Frankish nobleman (or 794)
Li Ning, prince of the Tang Dynasty (d. 812)
Theophylact, Byzantine co-emperor (approximate date)
Wei Mo, chancellor of the Tang Dynasty (d. 858)
Wu Yuanji, general of the Tang Dynasty (or 783)
Zhou Chi, chancellor of the Tang Dynasty (d. 851)
Idriss I, Muslim emir and founder of the Idrisid Dynasty (or 791)
February 22 – Sicga, Anglo-Saxon nobleman
Year 793 (DCCXCIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 793 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.