Decades: 850s 860s 870s 880s 890s - 900s - 910s 920s 930s 940s 950s

Years: 899 900 901 902 903 - 904 - 905 906 907 908 909

• Accession of Sergius III
• Destruction of Chang'an, the capital of Tang Dynasty and the largest city in the ancient world.

Deaths