August 23 –Andres Bonifacio, along with hisKatipuneros (Filipino revolutionaries), tear up theircedulas (personal identity documents) at the event known as the "Cry of Pugad Lawin".[1]
August 30 – Around 800 revolutionaries led by Bonifacio andEmilio Jacinto attackSan Juan del Monte and achieve a brief victory until Spanish reinforcements arrive and disperse the rebels. Upon learning of the battle,Governor-GeneralRamón Blanco y Erenas places eight provinces undermartial law. Sancho Valenzuela is the most notable of the revolutionaries who are imprisoned and later released.[3]