Calendar overview 921
Wenceslaus I becomes Duke of Bohemia
under the reign of his mother Drahomíra .
|921 in other calendars|
|Armenian calendar||369/370 (turn of the year July)|
|Buddhist calendar||1464/65 (southern Buddhism); 1463/64 (alternative calculation according to Buddhas Parinirvana )|
|Chinese calendar||60th (61st) cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||283/284 (turn of the year April)|
|Islamic calendar||308/309 (turn of the year 11/12 May)|
|Jewish calendar||4681/82 (September 5-6)|
from urbe condita MDCLXXIV (1674)
Diocletian's era : 637/638 (New Year November)
|Seleucid era||Babylon: 1231/32 (turn of the year April)
Syria: 1232/33 (turn of the year October)
|Vikram Sambat (Nepalese Calendar)||977/978 (turn of the year April)|
Politics and world events
- Duke Vratislav I of Bohemia , who united the Bohemian and Moravian regions under his leadership, dies. He is followed by his 13-year-old son Wenceslaus I under the reign of his mother Drahomíra . However, his grandmother Ludmilla receives guardianship . The two women soon quarrel and Ludmilla is murdered by Drahomíra's followers on September 16 .
- Treaty of Bonn : The East Franconian King Heinrich I of Saxony concludes an armistice with King Karl III in Bonn on November 7th . of West Franconia and concludes a contract with him that confirms his royal dignity and places the controversial Lorraine with the archbishoprics of Cologne and Trier under West Franconian suzerainty. The contract is certified by the most powerful church representatives and nobles of both empires.
- King Heinrich I moves against his rival Arnulf I of Bavaria . He besieged him in Regensburg and forced him to pay homage. But he leaves him the church sovereignty in Bavaria.
- Prince Tarhos in Hungary moves through Bavaria with his cavalry hordes without a fight and devastates Swabia and Lorraine. He pushes as far as Verdun .
- King Rudolf II of Burgundy makes peace with Duke Burchard II of Swabia . He is called to Italy against Emperor Berengar I and is offered the crown.
- May 20 ?: The Byzantine Emperor Romanos I makes his eldest son Christopher co-emperor. The actual emperor Constantine VII has been increasingly kept away from official business since the previous year.
- Jayavarman IV. Built a new residence of Koh Ker the Khmer as a rival to Angkor , where his nephew ruled.
City foundations and first documentary mentions
- Caliph Abdallah al-Mahdi founds the North African port city of Mahdia as the new capital of the Fatimid Empire .
- Hundwil and Sinzing are first mentioned in a document.
- The Hindu temple Prasat Kravan , dedicated to the god Vishnu , is built in Angkor . The temple consists of five cella , which stand side by side on a plinth facing north-south. All five sanctuaries are open to the east.