The Battle of Aljubarrota took place on August 14, 1385, during the Portuguese Crisis. It was a significant conflict between the forces of the Kingdom of Portugal, led by King John I, and the army of the Crown of Castile, commanded by King John I of Castile. The battle was fought near the town of Aljubarrota, in central Portugal, and was crucial for Portugal's independence. The Portuguese army, although smaller, utilized effective tactics and the terrain to their advantage. The victory at Aljubarrota solidified Portugal's sovereignty and marked a turning point in the struggle against Castilian dominance. This battle is celebrated in Portuguese history as a symbol of national pride and resilience.