Republic Act No. 9470

: The title is Proclamation No. 436 dated August 19, 1957.
: Friday, August 30, 1957.
: Marcelo H. del Pilar was a hero and patriot born in Bulacan, known for his reform struggles in Spain under the pseudonym Plaridel. The holiday was declared to give the people of Bulacan an opportunity to celebrate his birthday with fitting ceremonies.
: The declaration was made under the powers vested in the President by Section 30 of the Revised Administrative Code.
: Fortunato de Leon.
: It allows the people of the province, in this case Bulacan, to commemorate and celebrate an important historical figure and their legacy.
: The holiday applies only in the Province of Bulacan.
: He is associated with the Spanish regime period and the reform struggles in Spain for Philippine reforms.
: 'Nom de plume' means pen name or pseudonym used by Marcelo H. del Pilar, which was 'Plaridel'.