The Town of Calaca was officially established on May 10, 1835. Before its conversion into a municipality, Calaca was a barrio of Balayan situated on the left bank of the Bolbok River. The first version was about the story of ten Datus who escaped from Borneo and reached the islands of Panay in the Philippines. Out of the ten Datus, two of them continued their journey until they reached the southern portion of Luzon. One out of the two groups, led by Datu Dumangsil, resided at the mouth of Pansipit River. This datu and his troops stayed in the area where Taal is now located. The "Lakan" or "Laka" or tribe settled in this area. The Datu as a part of his territory then declared the location of