Based on the terms of the accord, 3,000 English troops were summoned to occupy Le Havre and Dieppe.
Once peace was restored in France, Elizabeth refused to withdraw her troops, stating that she had taken Le Havre not for religious reasons but to indemnify her for the loss of Calais, which was rightfully hers.
The regent of France, Catherine de' Medici sent both Catholic and Huguenot troops against Le Havre, which surrendered on 28 July 1563.
[1][2] This is evident when in 1572, Catherine de' Medici ordered the killing of the Protestant Coligny.
[1][2] The English Secretary of State, William Cecil was concerned with safeguarding the Protestant cause in Europe, fearing a Catholic alliance of France and Spain if the powerful Guise family gained an upper hand in the French Wars of Religion.