Pope Paul IV, born Gian Pietro Carafa, was head of the Catholic Church and leader of the Papal States from 23 May 1555 to his death, in August 1559. While serving as papal nuncio in Spain, he developed an anti-Spanish outlook that later coloured his papacy. In response to an invasion of part of the Papal States by Spain during his papacy, he called for a French military intervention. After a defeat of the French and with Spanish troops at the edge of Rome, the Papacy and Spain reached a compromise: French and Spanish forces left the Papal States and the Pope thereafter adopted a neutral stance between France and Spain.
Gian Pietro Carafa became Pope Paul IV, beginning a tumultuous four-year papacy during which the Papal States suffered a serious military defeat.
On May 23, in the year 1555, Gian Pietro Carafa became Pope Paul IV, beginning a tumultuous four-year papacy during which the Papal States suffered a serious military defeat. This event is recorded as a Selected Events event in the history of May 23, one of 392 recorded events on this date across all of history.
Key Facts
- This event took place on May 23, 1555 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- Wikipedia source last updated on 20 May 2026.
On This Date in History 392
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