Laguna Copperplate Inscription in the context of "Tondo (historical polity)"

The recorded pre-colonial history of the Philippines, sometimes also referred to as its "protohistoric period" begins with the creation of the Laguna Copperplate Inscription in 900 AD and ends with the beginning of Spanish colonization in 1565. The inscription on the Laguna Copperplate Inscription itself dates its creation to 822 Saka (900 AD). The creation of this document marks the end of the prehistory of the Philippines at 900 AD, and the formal beginning of its recorded history. During this historical time period, the Philippine archipelago was home to numerous kingdoms and sultanates and was a part of the Indosphere and Sinosphere.

Sources of precolonial history include archeological findings; records from contact with the Song dynasty, the Brunei Sultanate, Korea, Japan, and Muslim traders; the genealogical records of Muslim rulers; accounts written by Spanish chroniclers in the 16th and 17th centuries; and cultural patterns that at the time had not yet been replaced through European influence.