Republic of Biak-na-Bato

Republic of Biak-na-Bato is a designation referring to the second revolutionary republican government led by Emilio Aguinaldo during the Philippine Revolution, That government referred to itself as Republic of the Philippines (Spanish: República de Filipinas; in modern Filipino: Republika ng Pilipinas) and was seated in what is now Biak-na-Bato National Park. The current designation was adopted by historians to avoid confusion with name of the current Philippine government, which also refers to itself the Republic of the Philippines, and with other past Philippine governments using the same designation.

Republic of the Philippines
República de Filipinas
Territory claimed by the Republic of Biak-na-Bato in Asia
StatusUnrecognized state
CapitalSan Miguel
Official languagesTagalog[2]
Common languagesTagalog, Spanish
Roman Catholicism, Islam
GovernmentRevolutionary republic
Emilio Aguinaldo
Vice President 
Mariano Trías
Historical eraPhilippine Revolution
November 1, 1897
December 14, 1897[3]
Preceded by
Succeeded by
Captaincy General of the Philippines
Tejeros Government
Captaincy General of the Philippines
Central Executive Committee

The Biak-na-Bato republic lasted just over a month. It was disestablished by a peace treaty signed by Aguinaldo and the Spanish Governor-General, Fernando Primo de Rivera, which included provision for exile of Aguinaldo and key associates to Hong Kong.


The Republic of Biak-na-Bato was one of a number of Filipino revolutionary states that were formed to expel the Spanish colonial regime in the Philippines and were not able to receive international recognition. It was preceded and succeeded by two similarly unrecognized states, the Tejeros government and the Central Executive Committee.


The constitution of the Republic of Biak-na-Bato was written by Felix Ferrer and Isabelo Artacho, who copied the Cuban Constitution of Jimaguayú nearly word-for-word.[4] It provided for the creation of a Supreme Council, which was created on November 1, 1897, with the following as officers having been elected:[5][2]

PresidentEmilio Aguinaldo
Vice-PresidentMariano Trías
Secretary of Foreign AffairsAntonio Montenegro
Secretary of WarEmiliano Riego de Dios
Secretary of the InteriorIsabelo Artacho
Secretary of the TreasuryBaldomero Aguinaldo


The initial concept of the republic began during the latter part of the Philippine Revolution, when the now-undisputed leader of the Revolution, Emilio Aguinaldo, became surrounded by Spanish forces at his headquarters in Talisay, Batangas. Aguinaldo slipped through the Spanish cordon and, with 500 picked men, proceeded to Biak-na-Bató,[6] ("Cleft Rock"; in modern Filipino: Biyak-na-Bato) a wilderness area at the town of San Miguel, Bulacan (now parts of San Miguel, San Ildefonso and Doña Remedios in Bulacan).[7] When news of Aguinaldo's arrival there reached the towns of central Luzon, men from the Ilocos provinces, Nueva Ecija, Pangasinan, Tarlac, and Zambales renewed their armed resistance against the Spanish.[6]

A hand-drawn Spanish military map of Gen. Emilio Aguinaldo's headquarters at Biak-na-bato (ca. 1897)

Unable to persuade the revolutionaries to give up their arms, Governor-General Primo de Rivera issued a decree on July 2, 1897, which prohibited inhabitants from leaving their villages and towns. Contrary to his expectations, they continued fighting. Within days, Aguinaldo and his men planned the establishment of a Republic. Aguinaldo issued a proclamation from his hideout in Biak-na-Bato entitled "To the Brave Sons of the Philippines", in which he listed his revolutionary demands as:

  1. the expulsion of the Friars and the return to the Filipinos of the lands which they had appropriated for themselves;
  2. representation in the Spanish Cortes;
  3. freedom of the press and tolerance of all religious sects;
  4. equal treatment and pay for Peninsular and Insular civil servants;
  5. abolition of the power of the government to banish civil citizens;
  6. legal equality of all persons.[8]

On November 1, 1897, the provisional constitution for the Biak-na-Bato Republic was signed.[9] The preamble of the constitution included the statement that:

The separation of the Philippines from the Spanish monarchy and their formation into an independent state with its own government called the Philippine Republic has been the end sought by the Revolution in the existing war, begun on the 24th of August, 1896; and therefore, in its name and by the power delegated by the Filipino people, interpreting faithfully their desires and ambitions, we, the representatives of the Revolution, in a meeting at Biac-na-bato, Nov. 1st. 1897, unanimously adopt the following articles for the Constitution of the State.[10]

By the end of 1897, Governor-General Primo de Rivera accepted the impossibility of quelling the revolution by force of arms. In a statement to the Cortes Generales, he said, "I can take Biak-na-Bato, any military man can take it, but I can not answer that I could crush the rebellion." Desiring to make peace with Aguinaldo, he sent emissaries to Aguinaldo seeking a peaceful settlement. Ironically, nothing was accomplished until Pedro A. Paterno, a known turncoat and a lawyer from Manila, volunteered to act as negotiator.

On August 9, 1897, Paterno proposed a peace based on reforms and amnesty to Aguinaldo. In succeeding months, practicing shuttle diplomacy, Paterno traveled back and forth between Manila and Biak-na-Bato carrying proposals and counterproposals. Paterno's efforts led to a peace agreement called the Pact of Biak-na-Bato. This consisted of three documents, the first two being signed on December 14, 1897, and the third being signed on December 15; effectively ending the Republic of Biak-na-Bato.[11]

In 1899, Aguinaldo wrote in retrospect that the principal conditions of the pact were:[12]

(1) That I would, and any of my associates who desired to go with me, be free to live in any foreign country. Having fixed upon Hongkong as my place of residence, it was agreed that payment of the indemnity of $MXN800,000[lower-alpha 1] should be made in three installments, namely, $MXN400,000[lower-alpha 1] when all the arms in Biak-na-Bató were delivered to the Spanish authorities; $MXN200,000[lower-alpha 1] when the arms surrendered amounted to eight hundred stand; the final payment to be made when one thousand stand of arms shall have been handed over to the authorities and the Te Deum sung in the Cathedral in Manila as thanksgiving for the restoration of peace. The latter part of February was fixed as the limit of time wherein the surrender of arms should be completed.

(2) The whole of the money was to be paid to me personally, leaving the disposal of the money to my discretion and knowledge of the understanding with my associates and other insurgents.

(3) Prior to evacuating Biak-na-Bató the remainder of the insurgent forces under Captain-General Primo de Rivera should send to Biak-na-Bató two General of the Spanish Army to be held as hostages by my associates who remained there until I and a few of my compatriots arrived in Hongkong and the first installment of the money payment (namely, four hundred thousand dollars) was paid to me.

(4) It was also agreed that the religious corporations in the Philippines be expelled and an autonomous system of government, political and administrative, be established, though by special request of General Primo de Rivera these conditions were not insisted on in the drawing up of the Treaty, the General contending that such concessions would subject the Government to severe criticism and even ridicule.[12]


On November 16, 1937, a 2,117-hectare block in the Biak-na-Bato area was declared a national park by Manuel L. Quezon in honor of the Republic.[13] In the 1970s, Ferdinand Marcos issued orders guiding mineral prospecting and exploitation in government reservation, impacting the park's boundaries. On April 11, 1989, Corazon Aquino issued Proclamation No. 401, which re-defined the boundaries of the Biak-na-Bato National Park. The proclamation set aside 952 hectares (3.68 sq mi) hectares as mineral reservation, 938 hectares (3.62 sq mi) hectares as watershed reservation and 480 hectares (1.9 sq mi) hectares as forest reserve.[13]

See also


  1. The funds were denominated in Mexican dollars, which were worth at the time to about 50 US cents equivalent to about $16.29 today.


  1. Don Emilio Aguinaldo y Famy (September 23, 1899), "Chapter II. The Treaty of Biak-na-bató", True Version of the Philippine Revolution, Authorama: Public Domain Books, retrieved September 23, 2008
  2. "1897 Biac-na-Bato Constitution". [The Corpus Juris. November 1, 1897.
  3. Don Emilio Aguinaldo y Famy (September 23, 1899), "Chapter II. The Treaty of Biak-na-bató", True Version of the Philippine Revolution, Authorama: Public Domain Books, retrieved September 23, 2008
  4. Ogonsotto, Rebecca Ramilo; Ogonsotto, Reena R. Philippine History Module-based Learning I' 2002 Ed. Rex Bookstore, Inc. p. 139. ISBN 978-971-23-3449-8.
  5. Agoncillo 1990, pp. 183–184
  6. Agoncillo 1990, p. 182
  7. Biak na Bato,
  8. Agoncillo 1990, pp. 182–183
  9. Agoncillo 1990, p. 183
  10. Constitution of Biak-na-Bato, Wikisource.
  11. Zaide 1994, p. 252
  12. Aguinaldo 1899 Chapter II. The Treaty of Biak-na-bató
  13. Carmela Reyes, Bulaceños want Biak-na-Bato declared a protected area (August 26, 2007), Philippine Daily Inquirer.


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