905

By place

Europe

• Spring - King Berengar I of Italy arranges a truce with the Hungarians, on payment of a tribute. Grand Prince Árpád withdraws from Italy, and begins raiding in Bavaria.
• Louis III, Holy Roman Emperor, launches another attempt to invade Italy. A Frankish expeditionary force, led by Adalbert I of Ivrea, captures Pavia, and Berengar I retires to Verona.
• July 21 - Berengar I and a hired Hungarian army defeat the Frankish force at Verona. They take Louis III as prisoner and Berengar blinds him for breaking his oath.
• Louis III returns to Provence. Unable to govern properly, he relinquishes the government of Lower Burgundy to his cousin Hugh, Count of Arles.
• Sancho I succeeds Fortún I as King of Pamplona, and creates a Basque kingdom centered in Navarre.

  Britain

• Cadell ap Rhodri, king of Seisyllwg, makes his 25-year-old son Hywel ap Cadell ruler of Dyfed, having conquered that territory. Rhodri ap Hyfaidd, nominally king of Dyfed, is caught and executed, at Arwystli.
• Norse settlers under the Viking warlord Ingimundr, revolt against the Mercians and try to capture the city of Chester. They are beaten off.

  Arabian Empire

• Summer - Caliph Al-Muktafi sends an Abbasid army led by Muhammad ibn Sulayman to re-establish control over Syria and Egypt. The campaign is supported from the sea by a fleet from the frontier districts of Cilicia under Damian of Tarsus. He leads his ships up the Nile River, raids the coast, and intercepts the supplies for the Tulunids.
• Ahmad ibn Kayghalagh, an Abbasid military officer, is appointed governor of the provinces of Damascus and Jordan. He is sent to confront a pro-Tulunid rebellion under Muhammad ibn Ali al-Khalanji. The latter manages to capture Fustat and proclaims the restoration of the Tulunids, while the local Abbasid commander withdraws to Alexandria.

  Asia

• China loses control over Annam. The village notable Khuc Thua Du leads a rebellion against the Tang Dynasty. The Chinese garrison at Tong Binh is destroyed. Khuc Thua Du declares Annam autonomous.
• Abaoji, a Khitan tribal leader, leads 70,000 cavalry into Shanxi to create a 'brotherhood' with Li Keyong, a Shatuo governor of the Tang Dynasty.
• Emperor Daigo of Japan orders the selection of four court poets, led by Ki no Tsurayuki, to compile the Kokin Wakashū, an early anthology of Waka poetry.

  By topic

Religion

• Naum of Preslav, a Bulgarian missionary, founds a monastery on the shores of Lake Ohrid, which later receives his name.