This document provides a detailed history of agrarian reform in the Philippines from the pre-Spanish period through the current administration of President Rodrigo Duterte. It outlines the key events, policies, and laws enacted during each administration, including the introduction of encomiendas under Spanish rule, the Torrens land titling system under American rule, the Comprehensive Agrarian Reform Law passed under Corazon Aquino, and Duterte's plans to place more public lands under agrarian reform and provide more support services to farmers. The history shows the evolution of land ownership and tenure systems over time in response to social unrest and a goal of promoting social justice and rural development.