⛔ Ban · 1911 · United States

Massachusetts becomes the first US state to restrict cannabis

Massachusetts acted in 1911, followed by Maine, California and Vermont. Historians now stress that these earliest state laws had little to do with Mexican immigration and reflected fears about youth, violence and madness.

✓ Checked. The date and the event were compared with a source that was read.

Source:

• Addiction — Hall and Yeates, review of Isaac Campos, Home Grown (2025)

Listed for context. No score change is recorded for United States here.