Timeline of Santa Ana, California

The following is a timeline of the history of the city of Santa Ana, California, USA.

Prior to 20th century

 * 1877 – Southern Pacific Railroad begins operating.
 * 1886 – Santa Ana incorporated.
 * 1889
 * Santa Ana becomes seat of Orange County.
 * Howe-Waffle House (residence) built.

20th century

 * 1901 – County Courthouse built.
 * 1905 – Santa Ana Daily Register newspaper begins publication.
 * 1912 – Auditorium Theatre built.
 * 1919 – Orange County Historical Society founded.
 * 1923 – Santa Ana Business and Professional Women's Club active (approximate date).
 * 1924 – Walker Theatre opens.
 * 1933 – The 6.4 Long Beach earthquake shakes the Greater Los Angeles Area and the South Coast of California with a maximum Mercalli intensity of VIII (Severe), killing 115–120 people.
 * 1935 – Santa Ana Independent newspaper begins publication.
 * 1970 – Population: 156,601.
 * 1973 – Orange County Historical Commission established.
 * 1974 – Heritage Orange County founded.
 * 1983 – Discovery Museum of Orange County founded.
 * 1985 – Orange County Register newspaper in publication.
 * 1988 – Habitat for Humanity of Orange County and Old Courthouse Museum established.
 * 1990
 * Sikh Center of Orange County established.
 * Population: 293,742.
 * 1994 – Miguel A. Pulido becomes mayor.
 * 1997
 * City website online (approximate date).
 * Loretta Sanchez becomes U.S. representative for California's 46th congressional district.
 * 2000 – Population: 337,977.

21st century

 * 2015 – Population: 335,264.
 * 2017 – Santa Ana becomes an immigrant sanctuary city.