1930 was a year in the 20th Century.
- Date Unknown: The final year covered in A History of Hill Valley, 1850-1930.
- Saturday, May 31: Clint Eastwood is born.
Behind the scenes
- Sunday, August 17: Charles L. Campbell (Sound editor for Back to the Future and voice for the KKHV weatherman in 1955) is born in Detroit Michigan.
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