August 2, 1937: The Marijuana Tax Act is passed by Congress, enacting marijuana prohibition at the federal level for the first time. Federal Bureau of Narcotics Commissioner Harry Anslinger tells the Congressmen at the hearings, "Marihuana is an addictive drug which produces in its users insanity, criminality, and death."

August 2, 1977: In a speech to Congress, Jimmy Carter addresses the harm done by prohibition, saying, "Penalties against a drug should not be more damaging to an individual than the use of the drug itself. Nowhere is this more clear than in the laws against possession of marijuana for personal use. The National Commission on Marijuana... concluded years ago that marijuana should be decriminalized, and I believe it is time to implement those basic recommendations."

August 6, 1990: Robert C. Bonner is sworn in as administrator of the Drug Enforcement Administration (DEA). Bonner had been a federal judge in Los Angeles. Before he became a judge, Bonner served as a US attorney from 1984 to 1989.

August 4, 1996: In the midst of an election season that included California's medical marijuana initiative, Prop. 215, state narcotics agents, at the direction of California Attorney General Dan Lungren, raid the Cannabis Buyers' Club of San Francisco.

July 31, 2000: In Canada, Ontario's top court rules unanimously (3-0) that Canada's law making marijuana possession a crime is unconstitutional because it does not take into account the needs of Canadian medical marijuana patients. The judges allow the current law to remain in effect for another 12 months, to permit Parliament to rewrite it, but says that if the Canadian federal government fails to set up a medical marijuana distribution program by July 31, 2001, all marijuana laws in Canada will be struck down. The Canadian government did set up a medical marijuana program, and the law remains intact.

August 1, 2000: The first Shadow Convention convenes in Philadelphia, PA, with the drug war being one of the gathering's three main themes.

August 3, 2001: The Miami Herald reports that the CIA paid the Peruvian intelligence organization run by fallen spymaster Vladimiro Montesinos $1 million a year for 10 years to fight drug trafficking, despite evidence that Montesinos was also in business with Colombian narcotraffickers.

July 31, 2003: Karen P. Tandy is confirmed by unanimous consent in the US Senate as Administrator of the Drug Enforcement Administration. Tandy was serving in the Department of Justice (DOJ) as Associate Deputy Attorney General and Director of the Organized Crime Drug Enforcement Task Force. She previously served in DOJ as Chief of Litigation in the Asset Forfeiture Office and Deputy Chief for Narcotics and Dangerous Drugs, and she prosecuted drug, money laundering, and forfeiture cases as an Assistant United States Attorney in the Eastern District of Virginia and in the Western District of Washington.

August 1, 2004: The Observer (UK) reports that the US blames Britain's "lack of urgency" for its failure to arrest the booming opium trade in Afghanistan, exposing a schism between the allies as the country trembles on the brink of anarchy.

August 3, 2004: Sixty percent of Detroit's residents vote in favor of Proposition M ("The Detroit Medical Marijuana Act") which amends the Detroit city criminal code so that local criminal penalties no longer apply to any individual "possessing or using marijuana under the direction... of a physician or other licensed health professional."

August 5, 2004: In a Seattle Post-Intelligencer op-ed entitled "War on Drugs Escalates to War on Families," Walter Cronkite calls the war on drugs "disastrous" and a "failure," and provides a plethora of reasons why it should end immediately.

August 6, 2004: The Ninth Circuit orders the release, pending appeal, of Bryan Epis, who had been convicted of conspiracy to grow 1,000 marijuana plants in a federal trial in which the jury was not allowed to hear that he was a medical marijuana activist.