1947 in California

none 1947 1947 The year 1947 in California involved the following events. 2 Incumbents Governor: Earl Warren (R) Lieutenant Governor: Frederick F. Houser (R) (until January 6) Goodwin J. Knight (R) (starting January 7) Chief Justice: Phil S. Gibson Senate president pro tempore: Charles W. Lyon (R) Speaker of the Assembly: Sam L. Collins (R) Crime January 15: Elizabeth Short, later known as the Black Dahlia, is found murdered in Los Angeles. The case remains unsolved.https://www.bbc.com/news/world-us-canada-38513320 BBC The Black Dahlia: Los Angeles' most famous unsolved murder January 8, 2017 May 17, 2026 https://web.archive.org/web/20170912090521/http://www.bbc.com/news/world-us-canada-38513320 September 12, 2017 Events October 14: The Los Angeles County Air Pollution Control District is created by the Los Angeles County Board of Supervisors. It becomes the first air pollution control program in the United States.May 1997 https://www.aqmd.gov/home/research/publications/50-years-of-progress The Southland's War on Smog: 50 Years of Progress on Clean Air South Coast Air Quality Management District May 17, 2026 Chuck Yeager becomes the first confirmed person to break the sound barrier at an altitude of 42,000 ft (12,800 m) over the Rogers Dry Lake of the Mojave Desert.Pisano Dominick Van der Linden F. Robert Winter Frank H. Chuck Yeager and the Bell X-1: Breaking the Sound Barrier Smithsonian National Air and Space Museum 2006 9780810955356 61278552 https://archive.org/details/chuckyeagerbellx0000pisa 9–17 October 20: The televised Hollywood Ten hearings begin before the House Un-American Activities Committee (HUAC) in Washington, D.C., having a chilling effect on the film industry in California. After the hearings, the Hollywood blacklist emerged. Coverage of social issues by Hollywood studios precipitously declined from 28% in 1947 to 18% in 1949, to 9% by 1954.HUAC Investigates Hollywood EBSCO Research Starters EBSCO Information Services https://www.ebsco.com/research-starters/history/huac-investigates-hollywood May 17, 2026 References Category:Years of the 20th century in California Category:Air pollution in California