The Battle of San Mateo was a significant military engagement during the Philippine-American War, occurring from September 28 to October 1, 1899. This battle took place in the town of San Mateo, located in the province of Rizal, Philippines. American forces aimed to secure control over the area, facing resistance from Filipino troops led by General Manuel Tinio. The battle resulted in a tactical victory for the Americans, who were able to push back the Filipino forces. Despite the American success, the conflict highlighted the ongoing struggle for independence in the Philippines, which would continue for several years until the eventual establishment of the Commonwealth of the Philippines.