John III of Sweden


John III
Portrait by Johan Baptista van Uther, 1582
King of Sweden
Grand Duke of Finland
ReignJanuary 1569 – 17 November 1592
Coronation10 July 1569
PredecessorEric XIV
SuccessorSigismund
Born20 December 1537
Stegeborg Castle
Died17 November 1592(1592-11-17) (aged 54)
Tre Kronor castle
Burial1 February 1594
Spouses
(m. 1562; died 1583)
(m. 1585)
Issue
HouseVasa
FatherGustav I of Sweden
MotherMargaret Leijonhufvud
Religionmediating between Lutheranism and Catholicism[1]
SignatureJohn III's signature

John III (Swedish: Johan III, Finnish: Juhana III; 20 December 1537 – 17 November 1592) was King of Sweden from 1569 until his death. He attained the Swedish throne after a rebellion against his half-brother Eric XIV. He is mainly remembered for his attempts to close the gap between the newly established Lutheran Church of Sweden and the Catholic Church, as well as his conflict with and possible murder of his brother.

Gold coin of King John III
Image of King John on a wall of Stockholm Palace

He was also, quite autonomously, the Duke of Finland from 1556 to 1563. In 1581 he assumed the title Grand Prince of Finland. His first wife was Catherine Jagiellon of the Polish–Lithuanian ruling family, and their son Sigismund eventually ascended both the Polish–Lithuanian and Swedish thrones.[2] He ended the Northern Seven Years' War, but instead Sweden was drawn into the 25 Years' War with Russia, where minor gains were eventually made. He worked for closer relations with Poland. John III was interested in religion and culture. During his reign, he countered the growing Lutheran tendencies of the Church of Sweden under the influence of Duke Charles, and worked for a reunion with the Catholic Church and the Pope in Rome.

John III was the son of King Gustav I of Sweden and his second wife Margaret Leijonhufvud. He was the brother of Charles IX and Magnus and half-brother of Eric XIV. He was married from October 4, 1562 to Catherine Jagiellon (1526-1583), with whom he had a daughter Anna Vasa in addition to Sigismund, and from February 21, 1585 to Gunilla Johansdotter (Bielke) (1568-1597).[2]


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