900

year

Year 900 (CM) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Millennium:1st millennium
Centuries:8th century9th century10th century
Decades: 870s  880s  890s  – 900s –  910s  920s  930s
Years:897 898 899900901 902 903

Events

  • Persian scientist, Rhazes, distinguished smallpox from measles in the course of his writings. Holding against any sort of orthodoxy, particularly Aristotle's physics, he maintained "the conception of an 'absolute' time, regarded by him as a never-ending flow".
  • Gyeonhwon formally establishes the kingdom of Hubaekje in southwestern Korea.
  • Merchants from southwest Asia and India settle on the east-African coast, trading gold, beads and metal for ivory and slaves.
  • Harold I of the Yngling or Scilfing dynasty subdues the petty kings of Norway and conquers the Orkney and Shetland islands.