September 10, 1980
The U.S. approves the use of the drug marijuana for medical purposes such as to ease nausea and vomiting in chemotherapy patients.
September 11, 2001
Hijackers from the group al-Qaeda crash two jets into the twin towers of the World Trade Center in New York City. Shortly after, both towers collapsed. A third jet was crashed into the Pentagon. A fourth plane crashed into a rural field in Somerset County, Pennsylvania. The official count was 2,997 deaths in the attacks including the hijackers.
September 12, 1970
Palestinian terrorists blow up a hijacked TWA jet in Jordan, after releasing the passengers and crew.