905 Explained

Year 905 (CMV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

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.^[1]
Sancho I succeeds Fortún I as King of Pamplona, and creates a Basque kingdom centered in Navarre (modern-day Spain).

Cadell ap Rhodri, king of Seisyllwg (Wales), 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.

Summer - Caliph Al-Muktafi sends an Abbasid army (10,000 men) 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.

China loses control over Annam (Northern Vietnam). The village notable Khuc Thua Du leads a rebellion against the Tang Dynasty. The Chinese garrison at Tong Binh (modern Hanoi) is destroyed. Khuc Thua Du declares Annam autonomous.
Abaoji, a Khitan tribal leader, leads 70,000 cavalry into Shanxi (Northern China) to create a 'brotherhood' with Li Keyong, a Shatuo governor (jiedushi) 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.

Naum of Preslav, a Bulgarian missionary, founds a monastery on the shores of Lake Ohrid (modern-day North Macedonia), which later receives his name.

Book: Bradbury, Jim. The Capetians: Kings of France, 987-1132. 2007. Continuum. 63.