1010s

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	980s 990s 1000s – 1010s – 1020s 1030s 1040s
Years:	1010 1011 1012 1013 1014 1015 1016 1017 1018 1019
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

The 1010s decade ran from January 1, 1010, to December 31, 1019.

Events and trends

Canute invades England. He and Edmund II divide the country; after Edmund's death he becomes sole king.
Bulgaria becomes part of the Byzantine Empire (1018).
Rajendra Chola I, son of the illustrious Rajaraja Chola I The Great, became the Chola Emperor. There is confusion on the exact date. According to Professor Kielhorn it is between 27 March and 7 July.
Ibn al-Haytham (Alhacen) writes his influential Book of Optics, which marks the beginning of the experimental scientific method, drastically transforms the understanding of light and vision, introduces the fields of visual perception, psychophysics, and experimental psychology, and first describes the camera obscura.
Prince Sviatopolk of Kiev falls in power struggle to his younger brother Yaroslav the Wise (1019).