1973 â The American Psychiatric Association votes 13â0 to remove homosexuality from its official list of psychiatric disorders, the Diagnostic and Statistical Manual of Mental Disorders.
1972 â Apollo program: Eugene Cernan and Harrison Schmitt begin the third and final extra-vehicular activity (EVA) or "Moonwalk" of Apollo 17. To date they are the last humans to set foot on the Moon.
1979 â The eradication of the smallpox virus is certified, making smallpox the first of only two diseases that have been driven to extinction (with rinderpest in 2011 being the other).
1941 â World War II: Attack on Pearl Harbor: The Imperial Japanese Navy carries out a surprise attack on the United States Pacific Fleet and its defending Army and Marine air forces at Pearl Harbor, Hawaii.
1999 â A&M Records, Inc. v. Napster, Inc.: The Recording Industry Association of America sues the peer-to-peer file-sharing service Napster, alleging copyright infringement.
1969 â Altamont Free Concert: At a free concert performed by the Rolling Stones, eighteen-year old Meredith Hunter is stabbed to death by Hells Angels security guards.
1971 â During a concert of Frank Zappa and The Mothers of Invention at the Montreux Casino, an audience member fires a flare gun into the venue's ceiling, causing a fire that destroys the venue. Rock band Deep Purple, who were to use the Casino as the site for the recording of their next album, witnesses the fire from their hotel; the incident would be immortalized in their best known song, "Smoke on the Water".
1956 â The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
1997 â In Ottawa, Ontario, Canada, representatives from 121 countries sign the Ottawa Treaty prohibiting manufacture and deployment of anti-personnel landmines. The United States, People's Republic of China, and Russia do not sign the treaty, however.
1992 â A test engineer for Sema Group uses a personal computer to send the world's first text message via the Vodafone network to the phone of a colleague.