John IV of Portugal

King of Portugal from 1640 to 1656

Dom John IV (19 March 1604 – 6 November 1656), was King of Portugal from 1640 until his death in 1656. The grandson of Catherine, Duchess of Braganza, a claimant to the crown during the Portuguese succession crisis of 1580, he was proclaimed king in 1640 following the outbreak of the Portuguese Restoration War. This ended the 60-year-old Iberian Union with Spain, and put the House of Braganza on the Portuguese throne.

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