9th century onwards
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- c. 900 CE - Tundun (Tondo) was at its peak and was a center of commerce and trade of the Tagalogs. It was during this era that the Chief and Commander of Tundun issued the Laguna Copperplate Inscription to Namwaran's clan on 21 April 900 CE.: "134" : "38"
- before the 11th century - Namayan was established by the Tagalog people at the Pasig River. It was led by the house of Lakantagkan during its peak in the 14th century.
- c. 13th Century - Maynila was supposedly founded by Avirjirkaya which spanned present day Intramuros according to Kapampangan historian Mariano A. Henson.
- Uncertain timestamp - Empress Sasanban became the Queen Regent of Namayan. According to oral tradition, she was a concubine of Anka Widyaya of Java and bore a child named Prince Balagtas
- Uncertain timestamp - the Tagalog and Kapampangan-fortified city of Cainta was established on an upriver area which occupied the shores on both sides of a waterway of the Pasig River. It was located not far from where the Pasig River meets the Lake of Ba-i.
- 15th century - Gat Lontok and Dayang Kalangitan became the co-rulers of Pasig.
- c.1480 - Salalila became the Rajah of Maynila.
- 1521 - Sibunao became the Lakandula of Tondo and Prince Ache became Rajah of Maynila.
