|Centuries:||7th century – 8th century – 9th century|
|Decades:||760s 770s 780s – 790s – 800s 810s 820s|
|Years:||790 791 792 – 793 – 794 795 796|
|793 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1546|
|Bahá'í calendar||−1051 – −1050|
|English Regnal year||N/A|
|Chinese calendar||壬申年 (Water Monkey)
3489 or 3429
— to —
癸酉年 (Water Rooster)
3490 or 3430
|- Vikram Samvat||849–850|
|- Shaka Samvat||715–716|
|- Kali Yuga||3894–3895|
|Igbo calendar||−207 – −206|
|Japanese calendar||Enryaku 12
|Minguo calendar||1119 before ROC
|Thai solar calendar||1336|
|Wikimedia Commons has media related to 793.|
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.
- King Charlemagne give orders to dig a 3 kilometers long channel 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 the Lombards in Benevento (Southern Italy).
- Frisian–Frankish War: Count Theoderic is send 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 river Weser. The Frisians revolt and Charlemagne deports Saxon families from north of the river Elbe.
- June 8 – Vikings raid the Northumbrian coast, arriving in long ships from modern-day Norway and sacking the monastery of Lindisfarne. They ruthlessly slaughter many of the monks in the first recorded attack in England.
- Emir Hisham I of Córdoba, calles 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 has adopt a similar banking system known as hawala to transmit funds (approximate date).
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- Idriss I, Muslim emir and founder of the Idrisid Dynasty (or 791)
- February 22: Sicga, Anglo-Saxon nobleman
- David Nicolle (2014). The Conquest of Saxony AD 782–785, p. 20. ISBN 978-1-78200-825-5
- David Nicolle (2014). The Conquest of Saxony AD 782–785, p. 80. ISBN 978-1-78200-825-5
- Meynier, Gilbert (2010). L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658–1518). Paris: La Découverte. p. 28.