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.

Saakashvili resigned on 5 September 2001, saying that " I consider it immoral for me to remain as a member of Shevardnadze's government.

These concerns were brought by the President of Georgia, Mikheil Saakashvili, to the attention of the UN General Assembly on September 26, 2007.

In September 2007, Okruashvili staged a scandalous comeback to Georgian politics, openly confronting Mikheil Saakashvili and creating the opposition party Movement for United Georgia.

On September 25, 2007, he announced the formation of the new opposition Movement for United Georgia and unleashed criticism on President Saakashvili, accusing him of corruption, incompetency and human rights violations.

In September 2008 Reuters reported Okruashvili had said that Saakashvili had long planned the 2008 South Ossetia war but had executed it poorly.

After the Russian-Georgian war, in September 2008, Noghaideli appeared in the Georgian press, unleashing heavy criticism of foreign and domestic policies of Mikheil Saakashvili.

On September 28, 2004, Georgian President Mikheil Saakashvili appointed Alasania as chairman of the Tbilisi-based Abkhazian government-in-exile.

In late 2007, he became embroiled in a political scandal after former defense minister Irakli Okruashvili on September 25, 2007 accused Mikheil Saakashvili, the President of Georgia, of planning Patarkatsishvili's assassination.

Dr. Hester, also one of the youngest men ever to head a major American university, succeeds Dr. Carroll V. Newsom who resigned last September to join Prentice-Hall Inc. publishing firm.

In September 1943, Orwell resigned from the BBC post that he had occupied for two years.

He had not served a year when he resigned ( in September 1851 ) to run for the governorship of Mississippi on the issue of the Compromise of 1850, which Davis opposed.

On September 17, Walker resigned as Secretary of War ; Benjamin left the Attorney General position replace Walker, and Thomas Bragg of North Carolina ( brother of General Braxton Bragg ) took Benjamin ’ s place as Attorney General.

After several months of being sidelined at Apple, Jobs resigned on Friday, September 13, 1985.

In September 1975, Finance Minister John Turner resigned.

Weiss died the following year, and John Bassett Moore resigned ; Max Huber was elected Vice-President on 12 September 1928 to succeed Weiss, while a second death ( Lord Finlay ) left the Court increasingly understaffed.

However, on 5 September 2008, after only 10 months in office, Mally resigned as prime minister of Togo.

Reed became city solicitor of Portland 1874 – 1877, before being elected as a Republican to the Forty-fifth and to the eleven succeeding Congresses, serving from 1877, to September 4, 1899, when he resigned.

Hired by Tina Brown in 1992, Art Spiegelman worked for The New Yorker for ten years but resigned a few months after the September 11 terrorist attacks.

In September 2009, following the franchise's bankruptcy, Gretzky resigned as coach and relinquished his ownership share.

By September 1298, Wallace resigned as Guardian of Scotland in favour of Robert the Bruce, Earl of Carrick and future king, and John Comyn of Badenoch, King John Balliol's nephew.

Massamba-Débat, whose powers had been curtailed by the CNR, resigned on September 4, and Prime Minister Alfred Raoul served as acting head of state until December 31, 1968, when the CNR formally became the country's supreme authority and Ngouabi, as head of the CNR, assumed the presidency.

On September 15, 1961 Sarraj returned to Syria and resigned his post on September 26.

In September, Hua Guofeng resigned, and Zhao Ziyang, another Deng ally, was named Premier.

Pontian and other church leaders ( among them Hippolytus ) were exiled by the emperor Maximinus Thrax to Sardinia, and in consequence of this sentence he resigned on 25 or 28 September 235.

Facing pressure from Governor Franklin Delano Roosevelt, Walker resigned from office on September 1, 1932, and promptly fled for Europe until the danger of criminal prosecution appeared remote.

Though he attempted to defend the duchy against French encroachment for nearly a year, lack of resources and money meant he could do little but husband what little territory the English still controlled, and he resigned the command in September 1371 and returned to England.

While crossing the Atlantic, Niven resigned his commission by telegram on 6 September 1933.

Lie resigned from his post in May 1898 and returned to Norway in September of that year.

On 4 September Keegan resigned as manager stating " It's my opinion that a manager must have the right to manage and that clubs should not impose upon any manager any player that he does not want ".

Petters resigned his position as CEO on September 29, 2008, amid mounting criminal investigations.

On September 15, 2002, Lipinski wrote a terse, page-one note informing readers that the paper's longtime columnist, Bob Greene, resigned effective immediately after acknowledging " engaging in inappropriate sexual conduct some years ago with a girl in her late teens whom he met in connection with his newspaper column.

He was consecrated on September 21, 1670, but he resigned the bishopric when he was elected to the Académie française in 1671.