1. There were several theories about how the Philippines was originally populated, including that the early Filipinos sprang from the soil, were created by the sun, or descended from Adam. 2. Archaeological evidence suggests the earliest inhabitants may have migrated over land bridges during the Ice Age around 25,000 years ago. 3. The Philippines engaged in extensive trade with other Asian countries and China as early as the 10th century, exchanging goods like pottery and gold.