Answer:
Since 1997, a month-long celebration of the national language occurs during August, known in Filipino as Buwan ng Wika (Language Month). Previously, this lasted only a week and was known as Linggo ng Wika (Language Week). The celebration coincides with the month of birth of President Manuel L. Quezon, regarded as the "Ama ng Wikang Pambansa" (Father of the national language).
In 1946, Proclamation No. 35 of March 26 provided for a week-long celebration of the national language. this celebration would last from March 27 until April 2 each year, the last day coinciding with birthday of the Filipino writer Francisco Baltazar, author of the Tagalog epic Florante at Laura.
In 1954, Proclamation No. 12 of March 26 provided that the week of celebration would be from March 29 to April 4 every year. This proclamation was amended the following year by President Ramon Magsaysay by Proclamation No. 186 of September 23, moving the dates of celebration to August 13–19, every year. Now coinciding with the birthday of President Manuel L. Quezon. The reason for the move being given that the original celebration was a period "outside of the school year, thereby precluding the participation of schools in its celebration".
In 1988, President Corazon Aquino signed Proclamation No. 19, reaffirming the celebration every August 13 to 19. In 1997, the celebration was extended from a week to a month by Proclamation 1041 of July 15 signed by President Fidel V. Ramos
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