In the Battle of the Three Kings, Sebastian, King of Portugal, invades Morocco, but is killed at Alcazar. The other two kings involved in the conflict - the deposed Sultan, al-Mutawakkil, and the new Sultan, Abd al-Malik - also die in the course of the fighting. Sebastian's great-uncle, Cardinal Henry, aged 67, becomes King of Portugal, but dies two years later without heirs.
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Editors. "Sebastian, King of Portugal, invades Morocco". The Literary Encyclopedia. First published 01 February 2011
[, accessed 29 November 2015.]