788 CE
Battle of Kopidnadon: An Abbasid expeditionary force crosses the Cilician Gates into the Anatolic Theme (modern Turkey). It is confronted by two Byzantine armies at Podandos in Cappadocia, who are defeated. Battle of Kopidnadon: An Abbasid expeditionary force against the Byzantine Empire crosses the Cilician Gates into the Anatolic Theme. The Abbasid army launches an invasion of Byzantine Asia Minor, and is confronted by a Byzantine force at Kopidnadon. The battle results in an Abbasid victory. Byzantine troops led by Adalgis, son of former Lombard king Desiderius, invade southern Italy. His attempts are thwarted by the Franks, who attack territories in Benevento, obtaining notably the annexion of Chieti (Spoleto).
Conflict & Security
- September – Battle of Kopidnadon: An Abbasid expeditionary force crosses the Cilician Gates into the Anatolic Theme (modern Turkey). It is confronted by two Byzantine armies at Podandos in Cappadocia, who are defeated.source
- September – Battle of Kopidnadon: An Abbasid expeditionary force against the Byzantine Empire crosses the Cilician Gates into the Anatolic Theme. The Abbasid army launches an invasion of Byzantine Asia Minor, and is confronted by a Byzantine force at Kopidnadon. The battle results in an Abbasid victory.source
- The Avars, who are allied with Tassilo III, invade East Francia (modern Germany). This begins the Frankish-Avar conflict.source
- Byzantine troops led by Adalgis, son of former Lombard king Desiderius, invade southern Italy. His attempts are thwarted by the Franks, who attack territories in Benevento, obtaining notably the annexion of Chieti (Spoleto).source
Exploration & Expansion
- Idris ibn Abdallah, known as the "founder of Morocco", settles in Volubilis, beginning the reign of the Idrisid Dynasty (Morocco had effectively been independent from the Arab caliphates since the Great Berber Revolt).source
Religion & Belief
- The Enryaku-ji temple complex is founded by Saichō, a Buddhist monk, on Mount Hiei in Ōtsu (Japan).source
- King Charlemagne conquers Bavaria, and incorporates it into the Frankish Kingdom. Duke Tassilo III is deposed, and banished to a monastery.source
- The period covered in Adam of Bremen's historical treatise of the Archbishopric of Hamburg begins.source
Crime & Justice
- King Ælfwald I of Northumbria is murdered, probably at Chesters, by the patricius (ealdorman) Sicga. He is succeeded by his cousin Osred II.source
Climate & Environment
- The earliest recorded tornado in Europe struck Freising in 788.source
Culture & Society
- Grimoald III, Lombard duke of Benevento, is installed as semi-client by King Charles the Younger (son of Charlemagne) at Benevento (Italy).source
Births
- Aejang, king of Silla (Korea) (d. 809)source
- Li Zaiyi, general of the Tang Dynasty (d. 837)source
- Ida of Herzfeld, Frankish duchess and saint (approximate date)source
- Abu Tammam, Muslim poet (d. 845)source
- Adi Shankara, Indian philosopher and theologian (d. 832)source
- Al-Zubayr ibn Bakkar, Muslim historian (d. 870)source
- Methodios I, patriarch of Constantinople (or 800)source
Deaths
- September 23 – Ælfwald I, king of Northumbriasource
- King Mauregatus of Asturias dies after a 5-year reign, and is succeeded by Bermudo I as ruler of Asturias (modern Spain).source
- Abd al-Rahman I, emir of Córdoba, dies after a 32-year reign and is succeeded by his son Hisham I.source
- Ōnakatomi no Kiyomaro, Japanese nobleman (b. 702)source
- Adalgis, king and co-regent of the Lombardssource
- Mauregatus, king of Asturias (or 789)source
- Mazu Daoyi, Chinese Zen Buddhist monk (b. 709)source
- Abd al-Rahman I, Muslim emir of Córdoba (b. 731)source
- Hnabi, duke of the Alemanni (approximate date)source