March 14
Henry IV Wins Battle of Ivry in French Wars of Religion
Henry of Navarre's royalist army routed the larger Catholic League force near Ivry, bolstering his claim to the French throne during the Wars of Religion.
Summary
In the midst of the French Wars of Religion, which pitted Catholic and Protestant factions against each other for control of the French throne, Henry of Navarre had emerged as a leading Protestant claimant after the assassination of Henry III. Supported by English forces sent by Queen Elizabeth I, Henry's army of about 15,000 confronted the larger Catholic League forces under the Duke of Mayenne near Ivry in Normandy. On the morning of March 14, 1590, the battle opened with artillery fire followed by cavalry charges. Henry's personal leadership and the defection of some League mercenaries proved decisive, leading to a rout of the Catholic forces. Mayenne fled, key League commanders were killed or captured, and Henry pursued the remnants toward Paris. The victory solidified Henry's position as the strongest claimant to the French crown.
Context
The French Wars of Religion, which began in the 1560s, involved repeated cycles of conflict between Catholic and Protestant (Huguenot) factions over control of the monarchy and religious policy. The assassination of Henry III in 1589 elevated Henry of Navarre, a Protestant Bourbon, to the position of heir under the Salic law of succession, yet many Catholic nobles and clergy rejected the prospect of a Protestant king and rallied behind the Catholic League.
What Happened
In early March 1590, Henry IV advanced into Normandy and laid siege to the League-held town of Dreux. The Duke of Mayenne, leading the Catholic League army reinforced by Spanish-backed Walloon cavalry under the Count of Egmont, moved to lift the siege. Henry withdrew but positioned his forces, reinforced by English troops dispatched by Queen Elizabeth I, on the plain of Saint André between Nonancourt and Ivry.
Aftermath
Henry's victory scattered the League army and removed Mayenne as an immediate contender, allowing the royalists to advance on Paris. Mayenne escaped, but the Duke of Aumale was captured and the Count of Egmont was killed; Henry crossed the Eure River in pursuit before beginning a siege of the capital that ultimately stalled.
Legacy
The outcome at Ivry confirmed Henry's position as the strongest claimant and facilitated his later conversion to Catholicism in 1593, followed by his entry into Paris in 1594. It illustrated the impact of English military aid against the League-Spanish alignment and contributed to the eventual Bourbon consolidation of power and the religious settlement embodied in the Edict of Nantes.
Why It Matters
The win at Ivry allowed Henry IV to press his claim more effectively and eventually secure the throne after his conversion to Catholicism in 1593, ending decades of religious civil war. It demonstrated the effectiveness of combined royalist and foreign Protestant support against the League-Spanish alliance, influencing the trajectory of French absolutism and the Edict of Nantes.
Related Questions
Why was Henry of Navarre fighting the Catholic League?
As the Protestant heir to the French throne after Henry III's assassination, Henry faced opposition from Catholic nobles who formed the League to block a non-Catholic ruler.
What role did England play in the battle?
Queen Elizabeth I sent troops that reinforced Henry's army, providing infantry and cavalry support against the League.
How did the battle affect the siege of Paris?
The victory allowed Henry to march on Paris, though the city held out until his conversion to Catholicism in 1593.
Who were the main commanders on each side?
Henry IV commanded the royalists with support from Marshal Biron; the Duke of Mayenne led the League forces alongside the Count of Egmont and the Duke of Aumale.
What happened to key League leaders at Ivry?
The Duke of Aumale was captured, the Count of Egmont was killed, and the Duke of Mayenne escaped after his army collapsed.
Related Portfolio Site
US Military Atlas: Henry IV Wins Battle of Ivry in French Wars of Religion connects to military history, war consequences, or postwar diplomacy.
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Sources
- Battle of Ivry, Wikipedia. Accessed 2026-07-09.