The Battle of Grunwald, fought on July 15, 1410, was a significant conflict between the Kingdom of Poland and the Grand Duchy of Lithuania against the Teutonic Knights. This battle was part of the larger Polish-Lithuanian-Teutonic War and marked a turning point in the struggle for control over the region. The Polish-Lithuanian forces, led by King Władysław II Jagiełło, achieved a decisive victory, weakening the Teutonic Order's power.
The battle involved around 39,000 troops on the Polish-Lithuanian side and approximately 27,000 on the Teutonic side. The defeat of the Teutonic Knights at Grunwald significantly diminished their influence in Eastern Europe and contributed to the rise of the Polish-Lithuanian Commonwealth. This historic event is celebrated in both Poland and Lithuania as a symbol of national pride