Felipe Calderon Hall Felipe Calderon, born on April 4, 1868 in Sta. Cruz de Malabon (now Tanza). It was Calderon's constitutional draft that was finally approved and promulgated by Gen. Aguinaldo on January 21, 1899. Two days later the First Philippine republic was formally inaugurated in Malolos. Caldreon was also the author of Malolos Constitution.