September 16, 1807: the Basi Revolt broke out in Piddig, Ilocos Norte
On September 16, 1807, the Basi Revolt, also known as the Ambaristo Revolt, erupted in Piddig, Ilocos Norte. This significant event in Philippine history was a direct response to the Spanish colonial government's monopoly on the production and trade of basi, a traditional sugarcane wine deeply rooted in Ilocano culture.