The Katipunan, officially the Kataastaasan Kagalang-galang na Katipunan ng mga Anak ng Bayan and abbreviated as the KKK, was a revolutionary organization founded in 1892 by a group of Filipino nationalists Deodato Arellano, Andrés Bonifacio, Valentin Diaz, Ladislao Diwa, José Dizon, and Teodoro Plata. Its primary objective was achieving independence from the Spanish Empire through an armed revolution. It was formed as a secret society before its eventual discovery by Spanish authorities in August 1896. This discovery led to the start of the Philippine Revolution.
Bulacan, officially the Province of Bulacan, is a province in the Philippines located in the Central Luzon region. Its capital is the city of Malolos. Bulacan was established on August 15, 1578, and part of the Metro Luzon Urban Beltway Super Region.
The Battle of Tirad Pass, sometimes referred to as the "Philippine Thermopylae", took place during the Philippine–American War on December 2, 1899, in northern Luzon in the Philippines. A 60-man Filipino rear guard commanded by Brigadier General Gregorio del Pilar succumbed to more than 500 Americans, mostly of the 33rd Volunteer Infantry Regiment under Major Peyton C. March, while delaying the American advance to ensure that President Emilio Aguinaldo and his troops escaped.
Bulakan, officially the Municipality of Bulakan, is a 1st class municipality in the province of Bulacan, Philippines. According to the 2020 census, it has a population of 81,232 people.
Malolos, officially the City of Malolos, is a 3rd class component city and capital of the province of Bulacan, Philippines. According to the 2020 census, it has a population of 261,189 people. It is the capital city of the province of Bulacan as the seat of the provincial government.
Gregorio Hilario del Pilar y Sempio was a Filipino general of the Philippine Revolutionary Army during the Philippine–American War.
Gregorio del Pilar, officially the Municipality of Gregorio del Pilar is a 5th class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 4,472 people.
Paombong, officially the Municipality of Paombong, is a 3rd class municipality in the province of Bulacan, Philippines. According to the 2020 census, it has a population of 55,696 people.
Marcelo Hilario del Pilar y Gatmaitán, commonly known as Marcelo H. del Pilar and also known by his nom de plumePláridel, was a Filipino writer, lawyer, journalist, and freemason. Del Pilar, along with José Rizal and Graciano López Jaena, became known as the leaders of the Reform Movement in Spain.
Bulacan is a province of the Philippines. It was established on 15 August 1578.
The following lists events that happened during 1899 in the Philippine Republic.
The Del Pilar-class are offshore patrol vessels currently in service with the Philippine Navy and previously in service with the US Coast Guard as Hamilton-class high endurance cutters. The Department of National Defense is currently in the process of upgrading their systems and capabilities under a modernization project awarded to Hanwha Systems of South Korea.
Pablo Ocampo Tecson was an officer in the Revolutionary Army serving under Gen. Gregorio del Pilar and a representative to the Malolos Congress. He was elected the Governor General of Bulacan immediately following the Philippine–American War. Tecson later served as Insular Secretary of the Philippine Bureau of Agriculture.
The Battle of Kakarong de Sili was fought on January 1, 1897, at Pandi, Bulacan, in the Philippines. The Kakarong Republic, based in the little fort in Pandi, was attacked by a force of Spaniards who massacred the Katipuneros there. At the end of the battle, General Eusebio Roque was captured by the Spaniards. The Kakarong republic was considered the first republic formed in Bulacan and in the Philippines.
The Battle of Aliaga was fought on September 4–5, 1897, between the Philippine revolutionaries of Nueva Ecija and the Spanish forces of Governor General Primo de Rivera.
San Juan de Dios Parish Church, also San Rafael Church, is an 18th-century Roman Catholic church situated in Brgy. Poblacion, in San Rafael, Bulacan, Philippines. Its titular patron is St. John of God; Saint Raphael, archangel, is the secondary patron saint. It is in this church that the Battle of San Rafael took place, wherein hundreds of retreating Filipino soldiers and civilians lost their lives during a battle with the Spanish on November 30, 1896. A historical marker by the National Historical Commission of the Philippines was installed in front of the church in 1997 to commemorate the massacre of an estimated 800 Filipinos.
BRP Gregorio del Pilar (PS-15) is the lead ship of her class of offshore patrol vessel of the Philippine Navy. She is the second ship to be named after Gregorio del Pilar, a Filipino revolutionary general known for his role at the Battle of Tirad Pass. She was originally designated as "PF-15" from 2012 to mid-2016. Then the Navy adopted a new code designation system and she was redesignated as "FF-15". In February 2019, the Navy downgraded the status of the entire class from frigate to patrol ship and redesignated her to "PS-15".
BRP Ramon Alcaraz (PS-16) is the second ship of the Gregorio del Pilar-class offshore patrol vessels of the Philippine Navy. From 1968 to 2012, she was known as USCGC Dallas and served the United States Coast Guard as a high endurance cutter. She was decommissioned on 30 March 2012 and acquired by the Philippines under the Excess Defense Articles and the Foreign Assistance Act.
Tirad Pass: The Last Stand of Gen. Gregorio del Pilar is a 1996 Philippine biographical epic film directed by Carlo J. Caparas and starring Romnick Sarmenta as the titular Gregorio del Pilar, one of the youngest Filipino generals during the Philippine–American War, who died in the Battle of Tirad Pass.
The Battle of San Rafael fought between Filipino revolutionaries under the leadership of Anacleto “Matanglawin” Enriquez against the Spanish army headed by Commandant Lopez Arteaga.
Filipino Revolutionaries 
Kingdom of Spain