. . "Elwell Stephen Otis"@en . "The Battle of Olongapo was fought September 18\u201323, 1899, during the Philippine\u2013American War. The battle featured both land and sea fighting of which the objective was the destruction of the single Filipino artillery gun in Olongapo, a menace to American ships crossing the nearby sea."@en . . . "the Philippine\u2013American War"@en . . "The Battle of Olongapo was fought September 18\u201323, 1899, during the Philippine\u2013American War. The battle featured both land and sea fighting of which the objective was the destruction of the single Filipino artillery gun in Olongapo, a menace to American ships crossing the nearby sea."@en . "around 300"@en . "--09-18"^^ . . . . "Battle of Olongapo"@en . "Emilio Aguinaldo"@en . . . "1"^^ . "U.S. victory, but Olongapo remains under Filipino influence"@en . . . . "Olongapo, Zambales, Philippines"@en . "180"^^ . . "Battle of Olongapo"@en . .