The Truce of Leulinghem was a significant diplomatic agreement reached in the late 14th century, marking a pivotal moment in the ongoing conflict between France and England known as the Hundred Years' War. As both nations had endured extensive warfare since the conflict began in 1337, the Truce represented a strategic pause, allowing each side to recuperate and rethink their strategies. The negotiations were held in the village of Leulinghem, situated in present-day France, illustrating the geographic focus of the ongoing hostilities. Diplomats from both sides engaged in extensive discussions to craft terms that would establish a mutually beneficial peace. The agreement was partly driven by the need to stabilize their economies, which had suffered from the ramifications of continued warfare. In addition to halting immediate military engagements, the truce provided a framework for future negotiations and alliances, enabling both kingdoms to strengthen their political positions across the continent.

The Truce of Leulinghem lasted until 1402, during which time both France and England focused on other domestic and foreign challenges, stabilizing their realms while the truce held. The later years of this period allowed for some rebuilding of territories devastated by conflict. However, underlying tensions remained, as both countries still sought dominance in France. This measure of peace was crucial, as it allowed England to manage its holdings in France more effectively and enabled France to recover from its war losses. Nevertheless, after 13 years of relative peace, hostilities would resume, reshaping the political landscape of Western Europe once again.

Ultimately, the Truce of Leulinghem was significant not just for its duration, but also for the opportunity it provided for both nations to reevaluate their military and political strategies, signaling a temporary shift away from warfare, and establishing a period of relative stability. The truce served as a reminder of the cyclical nature of conflict and peace in medieval Europe, especially regarding the drawn-out and tumultuous Hundred Years' War.