What is September 11?
Q: What is September 11?
A: September 11 is the 254th day of the year in the Gregorian calendar.
Q: How many days are there until the end of the year on September 11?
A: There are 111 days remaining until the end of the year on September 11.
Q: Why is September 11 famous?
A: September 11 is famous because of the terrorist attacks that took place on September 11, 2001, on the World Trade Center and The Pentagon in the United States of America.
Q: What is another name for the September 11, 2001 attacks?
A: Another name for the September 11, 2001 attacks is "9/11".
Q: How long ago did the September 11, 2001 attacks take place?
A: The September 11, 2001 attacks took place 20 years ago.
Q: How many days are there in a leap year?
A: There are 366 days in a leap year.
Q: What is the Gregorian calendar?
A: The Gregorian calendar is a solar calendar that was introduced by Pope Gregory XIII in 1582.
