California Important Dates


  • 1542 - 1812 Spain, Mexico, England, and Russia made various claims to California, but most settlements were Spanish.
  • 1697 Jesuits found mission at Loreto in Baja California.
  • 1767 King Charles III orders Jesuits out of California and assigns missionary work to the Franciscans.
  • 1769 The first permanent settlement was made by the Spanish in the San Diego Bay area.
  • 1777 San Juan is the first town established in California.
  • 1822 California declares independence from Spain.
  • 1825 Mexico claims California as a territory.
  • 1841 Americans began traveling overland to California.
  • 1846 War broke out between the United States and Mexico. U.S. settlers in California set up a republic.
  • 1848 Mexico ceded California to the United States. Gold was discovered at Sutter's Mill.
  • 1849 The Gold Rush attracted over 100,000 people to California.
  • 1850 California became the 31st state on September 9th.
  • 1861 Telegraph links California with the East Coast.
  • 1869 Completion of the transcontinental railroad gave California a direct connection with the East. Great numbers of Chinese were imported to work on this railroad.
  • 1884 - 1885 A railroad rate war (1884) and a California real estate boom (1885) caused a new wave of overland immigration.
  • 1906 Earthquake and fire ruin San Francisco.
  • 1942 Japanese submarine shells coast near Ellwood.



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