Popularity of the song increased greatly following the September 11, 2001 attacks ; at some sporting events it was sung in addition to the traditional singing of the national anthem.

Charles ' recording is very commonly played at major sporting and entertainment events, such as the Super Bowl, and WrestleMania 2 ; Charles gave a live performance of the song prior to Super Bowl XXXV, the last Super Bowl played before the September 11 terrorist attacks, as well as during Game 2 of the 2001 World Series after the attacks.

American Airlines Flight 77 was a passenger flight which was hijacked by five al-Qaeda terrorists on September 11, 2001, as part of the September 11 attacks.

On five sides of the memorial along the top are inscribed the words " Victims of Terrorist Attack on the Pentagon September 11, 2001 ".

* Archive of American Airlines site – explaining that all aircraft are accounted for ( September 11, 2001 )

* Archive of American Airlines site with condolences for deceased ( September 12, 2001 )

Occasionally, however, the hijackers have flown the aircraft themselves, such as the September 11 attacks of 2001.

Hijackers also have used aircraft as a weapon to target particular locations ( notably during the September 11, 2001 attacks ).

On September 11, 2001, 19 al-Qaeda Islamic extremists hijacked American Airlines Flight 11, United Airlines Flight 175, American Airlines Flight 77, and United Airlines Flight 93 and crashed them into the Twin Towers of the World Trade Center, the southwestern side of the Pentagon building, and Stonycreek Township near Shanksville, Pennsylvania in a terrorist attack.

Before the September 11, 2001 attacks, most hijackings involved the plane landing at a certain destination, followed by the hijackers making negotiable demands.

Ahmad Shah Massoud ( Aḥmad Šāh Mas ' ūd ; September 2, 1953 – September 9, 2001 ) was a political and military leader in Afghanistan.

He was assassinated on September 9, 2001.

He was assassinated, probably at the instigation of al-Qaeda, in a suicide bombing on September 9, 2001, just two days before the September 11 attacks that finally caused the US and NATO to intervene in Afghanistan, allying themselves with Massoud's forces.

An airport security guard and Imam, Abdulaziz al-Omari (,, also transliterated as Alomari or al-Umari ) ( May 28, 1979 – September 11, 2001 ) was one of five hijackers of American Airlines Flight 11 as part of the September 11 attacks.

On September 11, 2001, Omari boarded American Airlines Flight 11 and assisted in the hijacking of the plane, which was crashed into the North Tower of the World Trade Center, as part of the coordinated attacks.

In the autumn of 2001, after the September 11 attacks, al Jazeera television broadcast a tape they claim was made by Omari.

On September 10, 2001, Mohamed Atta picked up Omari from the Milner Hotel in Boston, Massachusetts, and the two drove their rented Nissan to a Comfort Inn in South Portland, Maine, where they spent the night in room 232.

Its New York offices were on the 92nd and 98th – 105th floors of the South Tower of the World Trade Center at the time of the September 11, 2001 terrorist attack.

A former law student and muezzin, Ahmed bin Abdullah al-Nami ( Arabic: أحمد بن عبد الله النامي, ; also transliterated as Alnami ) < span dir =" ltr ">( December 7, 1977 – September 11, 2001 )</ span > was one of four hijackers of United Airlines Flight 93 as part of the September 11 attacks.

On September 11, 2001, Nami boarded United 93 and assisted in the hijacking of the plane, which crashed into a field in rural Shanksville, Pennsylvania, after a passenger uprising, due to the passengers receiving information from their families of the 3 other hijacked planes that hit the World Trade Center and the Pentagon.

On September 22, 1834, Alcott opened a school of about 30 students, mostly from wealthy families.

Alessandro di Cristofano di Lorenzo del Bronzino Allori ( 31 May 1535 – 22 September 1607 ) was an Italian portrait painter of the late Mannerist Florentine school.

Bartók's signature on his high school graduation photograph, dated September 9, 1899

On 2 September 1890 he was transferred to the gunnery school, Excellent.

The first attempt at serious military training among the Civil Guards was the establishment of a 200-strong " cavalry school " at Saksanniemi estate, in the vicinity of the town of Porvoo, east of Helsinki, on 19 September 1917.

In September 1939, he enrolled in law school at the University of Rome to please his parents although biographer Hollis Alpert reports that " there is no record of his ever having attended a class ".

On September 19, 2006, USC announced that George Lucas had donated $ 175 – 180 million to his alma mater to expand the film school.

In September 1957 the new college opened its doors to seventeen students, all of whom enrolled as freshmen in a renovated elementary school building at Bailey's Crossroads.

The school officially opened September 23, 1964, it is still currently active and it is housed at 8 W. 8th Street, the site of the original Whitney Museum of American Art.

On 30 September 2007, Iranian school bells were rung throughout the country in honor of Mewlana.

Planning for his enlistment, the family returned to Fort Worth in July 1956, and he re-enrolled in 10th grade for the September session at Arlington Heights High School in Fort Worth, but quit in October to join the Marines ( see below ); he never received a high school diploma.

He successfully graduated from the school in June 1930 and entered the university the following September.

For example, Spider-Man's high school graduation was published in Amazing Spider-Man # 28 ( September 1965 ), his college graduation in Amazing Spider-Man # 185 ( October 1978 ), and his high school reunion in Marvel Knights: Spider-Man # 7 ( December 2004 ).

The girls were successful in school and entered Vassar College in September 1905.

Amongst a wide range of measures, from September 2006, school lunches will be free from carbonated drinks.

A new elementary school, University Highlands Elementary, opened on September 1, 2010.

In England and Wales, school ends in mid-July and resumes again in early September ; in Scotland the summer holiday begins in late June and ends in mid-to late-August.

As a result, on 2 September 1939, three school girls, Margaret, Mary and Katherine, came to live at The Kilns in Risinghurst, Lewis ' home three miles east of Oxford city centre.

" On September 15, 1874, the school opened its doors to female students.

The school opened to 35 students in September 1907, two months before Oklahoma became a state.

The school year in many countries starts in August or September and ends in May, June or July.

* September 25 – The Irish rock band U2 is formed after drummer Larry Mullen Jr. posts a note seeking members for a band on the notice board of his Dublin school.

* September 12 – Francis Howell High School ( Howell Institute ) in St. Charles, Missouri, and Stephen F. Austin High School in Austin, Texas open on the same day, putting them in a tie for the title of the oldest public high school west of the Mississippi River.

* September 15 – The first day of school begins in the newly founded Alhambra School District.