In august 7, 1973 the National Board of Education created a resolution stating that the medium of instruction will be used from Elementary to Tertiary level in all public or private Schools and beginning in the school year (1974-1975).
In June 19, 1974 signed by Secretary Juan Manuel of the Department of Education and Culture Code No. 25 for implementing bail education in all Colleges Universities.
The Filipino Alphabet of 1987, the revised and improved the Filipino Alphabet and the Alphabet of 1976. The Filipino Alphabet consist of 28 letters is the whose reading is the same as reading the English alphabet. this is what we are using until now. which is enriching and extending the Filipino language.
In July 30, 1976 By the Department Memo No.194 issued by the Department of Education, Culture and Sports, 20 alphabet letters were added to eleven foreign language letters. The revised Filipino Alphabet consisting of 31 letters, includes foreign letters such as c, ch, f, j, ll, q, rr, v, x, and z.u
In August 25, 1988 Executive Order No. 335 was issued and signed By President Corazon Aquino providing for the creation of the linguistic Commission which will continue the study of Filipino. likewise, the use of Filipino as a medium of nstruction in school on selected subject was adopted.
Times of Holy Government
History of the Filipino Language when Manuel L. Quezon took the office of the Commonwealth and Sergio Osmena as second president paying attention to the issue of nationalism
Balarila written by Lope K. Santos the National language grammar that introduce the alphabet with 20 letters , in which one letter added at the end of each consonant for it sound
In February 8, 1935 article XIV, Section 3 of the 1935 constitution , the new language will be based on the current indigenous language in our country.
I was about to make my own re write to this but since you've already made this I'll read another history.