{
  "name": "City of Santa Rosa",
  "cityhoodYear": 2004,
  "landAreaHa": 5543,
  "barangayCount": 18,
  "timeline": [
    {
      "year": "1571",
      "title": "Barrio Bukol",
      "description": "Spanish conquistador Juan de Salcedo explored the Laguna Lake region. Santa Rosa was then part of Biñan (annexed to the town of Tabuco, now Cabuyao) and was called Barrio Bukol."
    },
    {
      "year": "1688",
      "title": "Separation from Cabuyao",
      "description": "Biñan, together with Barrio Bukol, separated from Cabuyao."
    },
    {
      "year": "1792",
      "title": "Municipality of Santa Rosa founded",
      "description": "Barrio Bukol was politically emancipated on January 18, 1792 as the municipality of Santa Rosa, named after Saint Rose of Lima."
    },
    {
      "year": "1898",
      "title": "Philippine Independence",
      "description": "Santa Rosa was instrumental in the proclamation of Philippine Independence; municipal representatives signed the Act of Independence on June 12, 1898. Local revolutionaries later fought alongside the forces of General Pio del Pilar in the Filipino-American War."
    },
    {
      "year": "1935",
      "title": "Sakdalista Revolt",
      "description": "Agrarian unrest culminated in a bloody revolt by farmers of Santa Rosa and Cabuyao on May 3, 1935; about 30 people died and rebel leaders including Henerala Salud Algabre were imprisoned before receiving amnesty."
    },
    {
      "year": "1945",
      "title": "Liberation",
      "description": "Santa Rosa was liberated by members of the Filipino guerilla resistance movement on February 5, 1945 after Japanese occupation during World War II."
    },
    {
      "year": "1993",
      "title": "First-class municipality",
      "description": "Santa Rosa became a first-class town when its income reached ₱54.2 million in 1993."
    },
    {
      "year": "2004",
      "title": "Cityhood",
      "description": "Santa Rosa became a city on July 10, 2004 following a plebiscite, by virtue of Republic Act No. 9264."
    },
    {
      "year": "2019",
      "title": "Lone congressional district",
      "description": "Republic Act No. 11395, signed August 28, 2019, separated Santa Rosa from Laguna's first district to form its own congressional district, first electing a representative in 2022."
    },
    {
      "year": "2024",
      "title": "FY2024 revenue reaches ₱6.251B",
      "description": "COA-reported revenue reached ₱6.251 billion in FY2024; the PSA 2024 census recorded a population of 430,920."
    },
    {
      "year": "2025",
      "title": "Civic complex MOU and smart city push",
      "description": "Ayala Land and the city government signed a memorandum of understanding for a planned Santa Rosa Civic Complex in Nuvali; the VITRO Santa Rosa data center was inaugurated; and the city published its 2025 Voluntary Local Review of SDG progress."
    }
  ],
  "sources": [
    "City Government of Santa Rosa — About Us / Historical Timeline (https://santarosacity.gov.ph/about-us)",
    "Wikipedia: Santa Rosa, Laguna (https://en.wikipedia.org/wiki/Santa_Rosa,_Laguna)",
    "2025 Voluntary Local Review of the City of Santa Rosa (https://sdgs.un.org/sites/default/files/2025-07/VLR_Santa_Rosa_2025.pdf)"
  ],
  "lastVerified": "2026-09-15"
}