Renaming DNIHS to CNHS
An Ordinance Renaming Dayap National Integrated High School to Calauan National High School and Separating It from Its Mother School, the Dayap National High School.
1572
Captain Juan de Salcedo passed through Laguna and Tayabas on his way to Bicol, taking notice of Calauan's fertile soil.
1582
Spanish authorities established a town government two kilometers from present Poblacion, in what is now Barrio Mabacan. The town was named Calauan from Tagalog word kalawang (rust).
1703
Following an epidemic in 1694, town was relocated from its original site in Barrio Mabacan to its present location at fork of three roads leading to San Pablo, Santa Cruz, and Manila.
1800s
When Bay was designated as provincial capital of Laguna, Calauan became a sitio of Bay and served as a passage for merchants traveling to Southern Luzon.
1812
A wealthy Spaniard named Iñigo bought large tracts of land in Calauan, which became known as Hacienda Calauan. The estate would later be inherited by his descendants, Roxas family.
1897
Basilio Geiroza (Cabesang Basilio) and his men routed a battalion of guardia civiles in a five-hour battle in Barrio Cupangan (now Lamot I) during Philippine Revolution.
1902
With establishment of civilian authority, Americans assigned Mariano Marfori as first presidente of Calauan.
1926
Hacienda Calauan financed the construction of a hospital, with Mariano O. Marfori Jr. serving as hospital director.
1939
By request of President Manuel L. Quezon, Doña Margarita Roxas vda. de Soriano subdivided Hacienda Calauan and sold it to the tenants.
1945
Filipino guerrillas, including the HUKBALAHAP, Hunters ROTC, and Marking Guerrillas, liberated Calauan from Japanese occupation as part of the Laguna liberation campaigns during World War II.
Origin of Name
Calauan derives from "kalawang" (rust). Legend says rusty-colored water seeped from holes dug for the church foundation, or from Macalawang Spring where rust-colored lumps surfaced.
Calauaneños
Residents of Calauan are called Calauaneños. The town is home to industrious farmers who cultivate the fertile lands at the foothills of Mount Kalisungan.
Patron Saints
San Isidro Labrador (St. Isidore the Laborer), patron of farmers, was installed as patron saint in 1787 along with San Roque, reflecting the town's rich agricultural heritage.
Land for the Farmers
In 1939, at the request of President Manuel L. Quezon, Hacienda Calauan was subdivided and sold to tenant farmers, ending decades of vast landholdings under the Roxas heirs.
Crossroads of the South
The town sits at a strategic fork of three roads-leading southwest to San Pablo, southeast to Santa Cruz, and north to Manila-making it a key passage for merchants traveling to Southern Luzon.
Sweet Laguna Pineapple
Calauan is known as the "Home of the Sweet Laguna Pineapple." The Pinya Festival is celebrated every May 15, coinciding with the feast of San Isidro Labrador.