Pasig – an old Malayan word pertaining to the coast or strand, it connects Laguna de Bay to Manila Bay. Pasig gave birth to three kingdoms; The first and the oldest was the Kingdom of Namayan - also called Kingdom of Sapa later be called "Maysapan" and Christianised into Santa Ana de Sapa. It is known today simply as Santa Ana, a district of the City of Manila.
Mayo 1, 1898 – Battle of Manila Bay, tinalo at pinasuko ni George Dewey ang militar pangdagat ng Espania na nasa pamumuno ni Admirante Patricio Motoya. Dali-dali naman na itinatag ni Aquinaldo na para bang mayroong siyang “deadline,” ang kalayaan ng Pilipinas noong Hunyo 12, 1898. Isinagawa sa probinsya, Kawit, Cavite at hindi sa lunsod ng Maynila.