900s

The 900s was a decade that began on 1 January 900 and ended on 31 December 909. It is distinct from the decade known as the 91st decade which began on January 1, 901 and ended on December 31, 910.

Events

 Accession of Sergius III.
 Destruction of Chang'an, the capital of Tang Dynasty and the largest city in the ancient world.
 Founding of the Royal Mint in England.
 Capture of Thessalonica by Saracens.