2010 California Proposition 19

California Proposition 19 (also known as the Regulate, Control & Tax Cannabis Act) was a ballot initiative on the November 2, 2010, statewide ballot. It was defeated, with 53.5% of California voters voting "No" and 46.5% voting "Yes." If passed, it would have legalized various marijuana-related activities, allowed local governments to regulate these activities, permitted local governments to impose and collect marijuana-related fees and taxes, and authorized various criminal and civil penalties.

Source: Wikipedia — 2010 California Proposition 19 (CC BY-SA 4.0)