August 4, 1964: June 12 was designated the Independence Day
On August 4, 1964, President Diosdado Macapagal signed into law Republic Act No. 4166, designating June 12 as the Independence Day of the Philippines.
On August 4, 1964, President Diosdado Macapagal signed into law Republic Act No. 4166, designating June 12 as the Independence Day of the Philippines.