1040s

The 1040s was a decade of the Julian Calendar which began on January 1, 1040, and ended on December 31, 1049.

Significant people

 * King Macbeth of Scotland (d. 1057)
 * Godwin, Earl of Wessex (d. 1053)
 * El Cid (b. 1040)
 * Yaroslav I the Wise
 * Al-Qa'im (caliph of Baghdad)