February 16 – Caloocan becomes a city in the province of Rizal through Republic Act No. 3278.[1]
May
May 12 – Diosdado Macapagal changed the date of the commemoration of Philippine Independence from July 4 to June 12.[2]
Holidays
As per Act No. 2711 section 29,[3] issued on March 10, 1917, any legal holiday of fixed date falls on Sunday, the next succeeding day shall be observed as legal holiday. Sundays are also considered legal religious holidays. Bonifacio Day was added through Philippine Legislature Act No. 2946. It was signed by then-Governor General Francis Burton Harrison in 1921.[4] On October 28, 1931, the Act No. 3827 was approved declaring the last Sunday of August as National Heroes Day.[5] As per Republic Act No. 3022,[6] April 9 is proclaimed as Bataan Day.
^"History". City of Caloocan. Archived from the original on October 11, 2015. Retrieved February 17, 2022.
^"Republic Day". Official Gazette of the Republic of the Philippines. Archived from the original on February 25, 2018. Retrieved April 5, 2021.
^"AN ACT AMENDING THE ADMINISTRATIVE CODE". Official Gazette of the Republic of the Philippines. Archived from the original on October 25, 2017. Retrieved February 21, 2022.
^"Bonifacio Day in Philippines in 2022". Official Holidays. Archived from the original on July 5, 2020. Retrieved February 21, 2022.
^"Act No. 3827". Official Gazette of the Republic of the Philippines. Archived from the original on August 28, 2017. Retrieved February 22, 2022.
^"AN ACT PROCLAIMING THE NINTH DAY OF APRIL AS BATAAN DAY AND DECLARING IT AS A LEGAL HOLIDAY". Official Gazette of the Republic of the Philippines. April 6, 1961. Archived from the original on February 17, 2021. Retrieved February 21, 2022.