This monograph on the chronology of the 1987 Philippine Constitution represents the preliminary drafts of the first part of the project. The chronology focuses on the background and processes of writing the 1987 Constitution of the Philippines, its contents, and a preliminary mapping or assessment of its application, covering the elections held under the Constitution, laws enacted by Congress as mandated by the Constitution and judicial decisions of the Supreme Court interpreting provisions of the Constitution, impeachment cases under the provisions of the Constitution, a timeline of the peace processes pursued from 1987 to the present, and a summary of the approval ratings and surveys of the officials and institutions created under the 1987 Constitution.