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Marijuana Tax Act of 1937
First Federal law to criminalize marijuana nationwide. -
The last U.S. hemp fields were planted in Wisconsin.
The last U.S. hemp field were planted in Wisconsin. -
Controlled Substances Act of 1970
Part of the “War on Drugs”, President Richard Nixon, repealed the Marijuana Tax Act and listed marijuana as a Schedule I drug—along with heroin, LSD and ecstasy—with no medical uses and a high potential for abuse. -
Compassionate Use Act of 1996
California became the first state to legalize marijuana for medicinal use by people with severe or chronic illnesses.