Image from https://www.wikiwand.com/en/Sylmar,_Los_Angeles .
Advertising for Sylmar olives on San Fernando Road, 1939.
Category: Promotional material
Image: from LAFD Photo Album Collection, courtesy: Ruth Alton, at http://www.lafire.com/stations/FS020/FS020_1913-1953.htm .
Engine Company 20, “B” Platoon, 2144 Sunset Boulevard. August 12, 1939.
Image: 1939 advertisement in Popular Science Monthly magazine.
Here are two creative ways to use the holiday to promote products that were available in southern California.
Images: undated circa 1939 ads from unspecified magazines.
Image: 1939 ad in an unspecified magazine.
The quintuplets were a major media event when they were born. They were the first ones known to survive infancy. Although not a southern California story, the public interest in them was worldwide and continued as they grew up.
Their story was mostly a sad one: http://www.pbs.org/wgbh/roadshow/fts/wichita_200803A12.html .
This apparently was a stamp that could be licked and attached to letters and other things to promote the event.
Travelers could find places to stay in this brochure. This one was given from a motel that was on Route 66 in San Bernardino. The cover art shows a streamline moderne hotel that was most likely an artist’s conception and not an actual building.