This document provides a history of human settlement in the Philippines from 50,000 BC to the present. It describes the earliest inhabitants as Aeta or Negrito people who arrived by land bridge from mainland Asia during the Paleolithic era. Later waves brought Indonesian settlers by boat in the Neolithic era and Malays in the Iron Age, establishing a multi-ethnic society. Major periods discussed include pre-Spanish, Spanish colonial, American colonial, Japanese occupation, and post-WWII independence.