Battle of San Juan del Monte

Pinaglabanan Memorial Shrine is a Filipino national shrine and park along Pinaglabanan Street in the city of San Juan, Metro Manila, Philippines. This was built to commemorate the heroism of the Katipuneros who laid siege to Polvorín de Almacen, an armoury belonging to the Spanish Colonial Government, becoming the first battle of the Philippine Revolution against the Spanish Empire.

Source: Wikipedia