It is referred to as: "9-11" because it happened on September 11 (9th month, 11th day). Also, in USA, 911 is telephone number called to report emergency.
the twin towers fall
A major coup d'état occurred in Chile on September 11, 1973. The leader of the ousted government, Salvadore Allende, committed suicide.
The 9/11 attacks were on September 11, 2001.
The 9/11 attacks happened. The twin towers aka the World Trade Center got hit by 2 planes. Later it collapsed.
Friedrich Kuhlau was born on September 11, 1786.
Friedrich Kuhlau was born on September 11, 1786.
The September 11 attacks occurred on September 11, 2001. http://911billofrights.blogspot.com
September 11 2001
Annapolis convention
It happened on September 11th, 2001.
The daily almanac and newspaper records for September 11, 1949 show nothing of any substantial import happened on that day in world history.
It happened on a Tuesday
Siege of Badami happened in 1786.
Nothing remarkable in world news.
September 11
the twin towers getting hit