Timeline: 100 years of drug prohibition

Former President Richard Nixon often used the V sign to celebrate electoral victories.

The war on drugs technically began in the 1970s, with the passage of the Controlled Substances Act, President Richard Nixon’s speech to Congress, and the enactment of anti-drug laws and policies that followed. But drug prohibition has been federal policy for 100 years. This timeline covers the policy all the way back to the late 19th century.

This timeline was updated with recommendations from Lauren Galik at the Reason Foundation, Jonathan Blanks, and Mary Price from Families Against Mandatory Minimums.

Think we missed any big events? Email german@vox.com with ideas.

You’ve read 1 article in the last month

Here at Vox, we believe in helping everyone understand our complicated world, so that we can all help to shape it. Our mission is to create clear, accessible journalism to empower understanding and action.

If you share our vision, please consider supporting our work by becoming a Vox Member. Your support ensures Vox a stable, independent source of funding to underpin our journalism. If you are not ready to become a Member, even small contributions are meaningful in supporting a sustainable model for journalism.

Thank you for being part of our community.