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After 1900, California continued to grow rapidly and soon became an agricultural and industrial power. The economy was widely based on specialty agriculture, oil, tourism, shipping, film, and after 1940 advanced technology such as aerospace and electronics industries – along with a significant military presence.
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1920 – First radio broadcasts, by KDKA in Pittsburgh and WWJ in Detroit; 1920 – Volstead Act; 1920 – Esch–Cummins Act; 1920 – Economy collapses. The Depression of 1920–21 begins. 1920 – National Football League is formed; 1920 – 1920 U.S. presidential election: Warren G. Harding elected president, and Calvin Coolidge vice president.
The city's population skyrocketed from 102,000 at the turn of the century, to 577,000 in 1920, and over 1.2 million in 1929. Aerial view of UCLA (formerly the University of California, Southern Branch) taken in 1922. Propelled by the boom in 1920s, it became the fifth largest city in the US.
1920 – Population: 216,261. 1922 – Snow Museum of Natural History opens. 1923 – Tribune Tower completed. 1924 – Granada Theater opens. [10] 1927 Oakland Airport begins operating. Port of Oakland opens. 1928 Clorox Chemical Company in business. Posey Tube (traffic tunnel) built. [6] 1931 – Paramount Theatre built. 1933 – Oakland ...
This is a complete List of National Historic Landmarks in California. The United States National Historic Landmark (NHL) program is operated under the auspices of the National Park Service , and recognizes structures, districts, objects, and similar resources nationwide according to a list of criteria of national significance. [ 1 ]
2000 – Population: 461,522. [21]2001 – Society for the Prevention of Cruelty to Animals Los Angeles (spcaLA) and the City of Long Beach open the spcaLA P.D. Pitchford Companion Animal Village & Education Center, the first public-private partnership for animal welfare in the United States.