菲律賓憲法生效宣布於1987年2月11日。
The present Constitution of the Philippines: Approved by the 1986 Constitutional Commission on October 12, 1986, the 1987 Constitution of the Republic of the Philippines was presented to President Corazon C. Aquino on October 15, 1986. It was ratified on February 2, 1987 by a plebiscite. It was proclaimed in force on February 11, 1987. Full text can be found in http://www.gov.ph/constitutions/1987-constitution/.