JOHN IV

KING JOHN IV OF PORTUGAL

Discover the legacy of King John IV of Portugal through a distinguished collection of royal documents, decrees, personal letters, and diplomatic correspondences that reveal the life and achievements of the monarch who restored Portuguese independence. Known as “The Restorer King,” John IV reigned from 1640 to 1656, leading Portugal’s struggle to end the 60-year Iberian Union with Spain. This collection invites historians, collectors, and enthusiasts to explore John IV’s strategic vision, resilience, and dedication to securing Portugal’s sovereignty. Each document—from royal proclamations to critical alliances with European powers—captures his role in re-establishing an independent Portuguese monarchy and strengthening national pride.

Ascending the throne after the Portuguese Restoration War broke Spain’s control, John IV faced the challenge of consolidating Portugal’s independence amidst constant military and diplomatic pressures. Under his leadership, Portugal formed vital alliances, expanded its influence, and defended its borders from Spanish forces, solidifying John IV’s legacy as a patriot who restored autonomy to his nation. His reign also saw a flourishing of the arts and sciences, as he was an accomplished patron and composer, further enriching Portuguese culture. This collection offers a glimpse into the life of a monarch whose courage and strategic insight revived Portugal’s independence, providing a window into the era that reshaped the nation’s identity. For those intrigued by stories of resilience and liberation, this archive illuminates the impactful reign of King John IV and his profound influence on Portugal’s history.