John IV of Portugal

The 370th anniversary falls on November 6, 2026, in 12 days.

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.

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