California Proposition 18, pertaining to a Tax on Oleomargarine, was on the November 3, 1936 ballot in California as a veto referendum, where it was defeated.
This article about a California ballot proposition is a stub. You can help people learn about California's ballot propositions by expanding it.
Ballotpedia has 526,649 articles and 9,372 registered users. We've had more than 300 million page views. Join us.