[2] The battle was part of a campaign by Katipunan revolutionaries, led by Andrés Bonifacio, who intended to seize El Deposito, an underground reservoir supplying water to Intramuros, and El Polvorín (the gunpowder depot).

[3] After years of dilapidation,[3] a ₱50 million renovation for the park began, headed by the San Juan local government and the Department of Public Works and Highways with consultation from the National Historical Commission of the Philippines.

[4] The shrine is jointly maintained by the San Juan city government and the National Historical Commission of the Philippines.

[4] The centrepiece of the shrine is the Spirit of Pinaglabanan, a brass sculpture by Eduardo Castrillo that features three figures atop a semicircular base.

The Spanish-era El Deposito underground reservoir beneath street level has since been restored and is also open to the public.