which became popular half a century before Santos' time. He also founded Sampaguita, a weekly lifestyle magazine. In early 1910s, he started a campaign to promote a '"national language for the Philippines", where he organized various symposia and lectures and headed numerous departments for national language in leading Philippine universities. In 1910, he was elected governor of the province of Rizal under the Nacionalista Party. In 1918, he was appointed as the first Filipino governor of the newly resurveyed Nueva Vizcaya until 1920. Consequently, he was appointed to the 5th Philippine Legislature as senator from the twelfth senatorial district representing provinces having a majority of non-Christian population. He was the primary author of Philippine Legislature Act No. 2946 which enacted November 30 every year as Bonifacio Day, honoring Andrés Bonifacio. He resigned from the Senate in 1921. In 1940, Santos published the first grammar book of the "national language", Balarila ng Wikang Pambansa (Grammar of the National Language) which was commissioned by the Surian ng Wikang Pambansa (SWF). The next year, he was appointed by President Manuel L. Quezon as director of SWF until 1946. When the Philippines became a member of the United Nations he was selected to translate the 1935 Constitution for UNESCO. He was also appointed to assist for the translation of inaugural addresses of presidents Jose P. Laurel and Manuel A. Roxas. In early 1960s, he underwent liver operations due to complication. Santos died on May 1, 1963. Works The works of Santos include the following: Banaag at Sikat (From Early Dawn to Full Light), 1903–06, first literary novel in Tagalog that incorporates socialist ideas and the works of the united associations of laborers.<ref name=NCCA>Quindoza-Santiago, Lilia (Dr.) Philippine Culture during the American Period), Publications about Culture and Arts, About Culture and Arts, ncca.gov.ph, 2002]</ref> Ag̃ "Pag̃gig̃gera" (Tulag̃ Handog sa Kababaiga'g̃ Tagalog) (The "Paḡgiḡgera" (A Poem for Tagalog Women)), 1912, paḡgiḡgera is a form of early 20th century gambling. Kundanḡan...!: Nobelang Tagalog Katha (Deference...!: A Tagalog Novel), 1927, Santos' second literary novel. Tinḡíng Pahapáw sa Kasaysayan ñg Pámitikang Tagalog (Few Points in the History of Tagalog Literature), 1938 Puso't Diwa (Heart and Spirit), three volume book collection of chosen poems of Santos during American period. Sino Ka? Ako'y Si... 60 Sagot na mga Tulá (Who Are You? I am... 60 Answering Poems), 1946, collection of philosophical poems. Mga Hamak na Dakilà: 60 Tulâ (Mean Magnificent: 60 poems),