Atlas of Battles

siege, nineteenth century

Siege of Biak-na-Bato

Siege of Biak-na-Bato was a siege conducted on 1 December 1897 at Biak-na-Bato National Park, in what is now Philippines; it lasted 16 days. It was part of the Philippine Revolution, which ran from 1896 to 1898. The recorded result: Inconclusive; Signing of Pact of Biak-na-Bato. Recorded strength: 1,000 men against 8,000 army regulars,; 25,000 native auxiliaries.

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A hand-drawn Spanish military map of Gen. Emilio Aguinaldo's headquarters at Biak-na-bato (ca. 1897).
A hand-drawn Spanish military map of Gen. Emilio Aguinaldo's headquarters at Biak-na-bato (ca. 1897).. Unknown authorUnknown author, Public domain, via Wikimedia Commons.
Fought1 December 1897lasted 16 days
WhereBiak-na-Bato National Park, Philippines15.119N, 121.085E
OutcomeInconclusive; Signing of Pact of Biak-na-Bato
BelligerentsPhilippinesagainstSpanish Empire
Casualties and lossesUnknownandUnknown
Part ofPhilippine Revolution1896 to 1898

Where it sits in the Philippine Revolution

Battle of Binakayan–Dalahican, 1896Battle of Imus, 1896Cry of Nueva Ecija, 1896Battle of Pasong Tamo, 1896Battle of Manila, 1896Battle of San Juan del Monte, 1896Battle of Noveleta, 1896Battle of San Francisco De Malabon, 1896Battle of Talisay, 1896Battles of Batangas, 1896Battle of San Mateo and Montalban, 1896Battle of Sambat, 1896Battle of San Rafael, 1896Battle of Kakarong de Sili, 1897Battle of Aliaga, 1897Cry of Tarlac, 1897Battle of Zapote Bridge, 1897Battle of Perez Dasmariñas, 1897Battle of Mount Puray, 1897Retreat to Montalban, 1897Siege of Biak-na-Bato, 1897Battle of Maimpis, 1898Battle of Camalig, 1898Battle of Tres de Abril, 1898Siege of Zamboanga, 1898Battle of Calamba, 1898Battle of Alapan, 1898Battle of Tayabas, 1898Battle of Budla-an, 1898Siege of Baler, 1898Battle of Dagupan, 1898Siege of Masbate, 1898Battle of San Jose de Buenavista, 1898Battle of Sapong Hills, 1898Battle of Barrio Yating, 189818961898Siege of Biak-na-Bato, 1897
35 placed engagements of the Philippine Revolution in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date1 December 1897
to 17 December 1897
PlaceBiak-na-Bato National Park, Philippines
15.119N, 121.085E
KindSiege, nineteenth century
Territorial changeBiak-na-Bato Republic is dissolved, but Filipino revolutionary cells in some areas in Luzon including at Biak-na-Bato itself remain.
Strength1,000 men8,000 army regulars,; 25,000 native auxiliaries
Casualties and lossesUnknownUnknown
Commanders
  • Fernando Primo de Rivera
  • Miguel Primo de Rivera
Siege of Biak-na-BatoSiege of Biak-na-BatoBattle of Marilao RiverBattle of CaloocanBattle of San Juan del MonteBattle of ManilaBattle of ManilaBattle of Marilao RiverBattle of CaloocanBattle of San Juan del MonteBattle of ManilaAngelesOlongapoSan PabloCabanatuanTarlacDagupan100 km15.119N, 121.085E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1897

Siege of Biak-na-Bato is one of 3,507 engagements of the 19th century in the atlas and one of 115 in present-day Philippines.

Sources

Identity, coordinates, dates and the war from Wikidata Q139760871, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Biak-na-Bato, revision 1370739578, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.