// Workers AI · dad joke modeWhat did 1947 in California say to 1948? You're a year behind.

← 1946 1945 1944 1947 in California → 1948 1949 1950
Decades:	1920s 1930s 1940s 1950s 1960s
See also:	History of California Historical outline of California List of years in California 1947 in the United States

The year 1947 in California involved the following events.

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.

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.
  • 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.
• 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.