905

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

• 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 IasKing 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.^[2]
• 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.^[3][4]

• China loses control over Annam (Northern Vietnam). The village notable Khuc Thua Du leads a rebellion against the Tang Dynasty. The Chinese garrisonatTong 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 DaigoofJapan orders the selection of four court poets, led by Ki no Tsurayuki, to compile the Kokin Wakashū, an early anthologyofWaka 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.

• Abu al-Misk Kafur, Muslim vizier (d. 968)
• Al-Mustakfi, Abbasid caliph (d. 949)
• Constantine VII, Byzantine emperor (d. 959)
• Fulk II, Frankish nobleman (approximate date)
• Godfrey, Frankish nobleman (approximate date)

• March 17 – Li Yu, Prince of De, prince of the Tang Dynasty
• July 5
  • Cui Yuan, Chinese chancellor
  • Dugu Sun, Chinese chancellor
  • Lu Yi, Chinese chancellor (b. 847)
  • Pei Shu, Chinese chancellor (b. 841)
  • Wang Pu, Chinese chancellor
• Du Hong, Chinese warlord
• Gai Yu, Chinese warlord
• Pei Zhi, Chinese chancellor
• Tribhuvana Mahadevi III, Indian Queen Regnant
• Rhodri ap Hyfaidd, king of Dyfed
• Yahya ibn al-Qasim, Idrisid emir of Morocco^[5]
• Yang Xingmi, Chinese governor (b. 852)