726 CE
Itzamnaaj K'awiil, the ruler of the Mayan city state at Dos Pilas in Guatemala since 698, dies after a 28-year reign. Seismic activity in the Mediterranean Sea: The volcanic island of Thera erupts, while the city of Jerash (in present-day Jordan) suffers a major earthquake. The first annual Sumo tournament in Japan is held by Emperor Shōmu (approximate date).
Geopolitics & Diplomacy
- Dúngal mac Selbaig is deposed as king of Dál Riata (Scotland). He is succeeded by Eochaid mac Echdach (a son of former king Eochaid mac Domangairt).source
Conflict & Security
- King Ine of Wessex resigns his crown, and travels on a pilgrimage to Rome. He is succeeded by his brother-in-law (and probably distant cousin) Æthelheard.source
- Umayyad conquest of Gaul: Muslim raiders under Abdul Rahman al-Ghafiqi, current governor of Septimania, devastate Avignon, Viviers, Valence, Vienne and Lyon (approximate date).source
Exploration & Expansion
- Arab–Byzantine War: Muslim forces under Maslama ibn Abd al-Malik resume their expedition against Anatolia (modern Turkey). In a large-scale raid they plunder the fortress city of Caesarea.source
Religion & Belief
- Council of Manzikert in Armenian and West Syriac churchessource
- Benedictine abbey of Neuwiller founded by bishop Sigibald of Metz.source
- Abbo of Provence, Frankish nobleman, founds Novalesa Abbey in Piedmont (Northern Italy).source
- Emperor Leo III issues a series of edicts banning the veneration of images (726–729), and launching the iconoclastic controversies. Most of the clergy – particularly in Italy and Greece – are opposed to these edicts with uncompromising hostility, and in the western parts of the Byzantine Empire the people refuse to obey his religious reforms.source
Climate & Environment
- Seismic activity in the Mediterranean Sea: The volcanic island of Thera erupts, while the city of Jerash (in present-day Jordan) suffers a major earthquake.source
Culture & Society
- The first annual Sumo tournament in Japan is held by Emperor Shōmu (approximate date).source
Births
Deaths
- October 22 – Itzamnaaj K'awiil, a Maya ruler of Dos Pilassource
- October 22 – Itzamnaaj K'awiil, the ruler of the Mayan city state at Dos Pilas in Guatemala since 698, dies after a 28-year reign.source
- Anbasa ibn Suhaym al-Kalbi, Muslim governorsource
- Marcello Tegalliano, second Doge of Venice, dies after a 9-year reign.source
- Oda of Scotland, Christian saint (approximate date)source
- Marcello Tegalliano, doge of Venicesource