Calendar overview 904
|Saracens conquer Thessaloniki .|
|904 in other calendars|
|Armenian calendar||352/353 (turn of the year July)|
|Buddhist calendar||1447/48 (southern Buddhism); 1446/47 (alternative calculation according to Buddha's Parinirvana )|
|Chinese calendar||59./60. (60./61.) Cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||266/267 (turn of the year April)|
|Islamic calendar||291/292 (turn of the year 12/13 November)|
|Jewish calendar||4664/65 (September 12-13)|
ab urbe condita MDCLVII (1657)
Diocletian's era : 620/621 (New Year November)
|Seleucid era||Babylon: 1214/15 (turn of the year April)
Syria: 1215/16 (turn of the year October)
|Vikram Sambat (Nepalese Calendar)||960/961 (turn of the year April)|
Politics and world events
- January 29 : Sergius III. becomes Pope after he has imprisoned the antipope Christophorus . With him the time of the so-called pornocracy begins .
- July 29th : Thessaloniki is conquered by the Saracens . The looting of the city dragged on for weeks.
- King Constantine II of Scotland inflicts a crushing defeat on Scandinavian invaders near Scone .
- Second conquest of Malta by the Arabs .
- December 30th : Abu l-Manaqib Shaiban Ahmad ibn Tulun becomes ruler of the Tulunids in Egypt . He succeeds his nephew Harun , who was killed in a military revolt.
First documentary mentions
- Mention of the city of Mettmann in a document from the Carolingian King Ludwig IV under the name Medamana
- Eglingen , Volketswil and Zwiefalten are first mentioned in a document.
- Æthelweard , English king († 924 )
- Gagik I , Armenian prince († 937 )
- Muhammad bin Yusuf al-Warraq , Andalusian historian and geographer († 973 / 974 )