History of Tanay

In 1747, the town of Tanay consisted of only eight barangays, namely Nuestra Senora del Rosario, Sa Josep, San Ildefonso de Tanay, San Francisco de Maytubig, San Pedro de Alcantara, San Lucas y San Antonio, San Apostol and San Agustin de Balugbog.

In 1853, a new political subdivision was formed. The town of Tanay together with Morong, Baras, Pililla, Angono, Binangonan and Jalajala form the Province of La Laguna, with the capital at Morong. This district was later changed to Distrito Politico-Militar de Morong after four years.

Tanay became a Municipality in 1894 as an effect of the Spanish Maura Law. The first election of Public Office took place in 1895–1898 and 1898–1900 under the Revolutionary Government of the Philippines.

Tanay members of the Katipunan fought valiantly during the Revolution against Spain. The town was the headquarters of the second military area of the Philippine Revolutionary Government under General Emilio Aguinaldo. And for a brief period between 1899 and 1900, Tanay served as the capital of the then Morong Province after Philippine–American War broke out and the American forces invaded the lake towns and captured Antipolo.

In 1900-1901, Tanay as was under the Government appointed by the American Military under Taft Commission. From 1903–1934 the town leadership was under the American rule then in 1934 Tanay was under the Commonwealth of the Philippines as the Tydings–McDuffie Act was approved on March 24, 1934 until the Philippines fell to the hands of the Japanese during the Second World War in 1942.

In 1942–1945 the Mountains of Tanay served as the Guerrilla base for 'Marking's Fil-American Guerrillas, beginning the Liberation of Tanay on March, 1945 a very decorated by the Filipino soldiers of the 41st and 42nd Division of the Philippine Commonwealth