In 1906, the Transvaal government promulgated a new Act compelling registration of the colony's Indian and Chinese populations. At a mass protest meeting held in Johannesburg on 11 September that year, Gandhi urged Indians to defy the new law and to suffer the punishments for doing so.
In 1951, he completed his last neoclassical work, the opera The Rake's Progress to a libretto by W.H. Auden and Chester Kallman based on the etchings of William Hogarth. It premiered in Venice that year and was produced around Europe the following year before being staged in the New York Metropolitan Opera in 1953.
During the 1964 US tour, the group were confronted with the reality of racial segregation in the country at the time, particularly in the South. When informed that the venue for their 11 September concert, the Gator Bowl in Jacksonville, Florida, was segregated, the Beatles said they would refuse to perform unless the audience was integrated. Lennon stated: "We never play to segregated audiences and we aren't going to start now ... I'd sooner lose our appearance money." City officials relented and agreed to allow an integrated show. The group also cancelled their reservations at the whites-only Hotel George Washington in Jacksonville.
The US and the UN gave several public justifications for involvement in the conflict, the most prominent being the Iraqi violation of Kuwaiti territorial integrity. In addition, the US moved to support its ally Saudi Arabia, whose importance in the region, and as a key supplier of oil, made it of considerable geopolitical importance. Shortly after the Iraqi invasion, US Defense Secretary Dick Cheney made the first of several visits to Saudi Arabia where King Fahd requested US military assistance. During a speech in a special joint session of the US Congress given on 11 September 1990, US President George Bush summed up the reasons with the following remarks: "Within three days, 120,000 Iraqi troops with 850 tanks had poured into Kuwait and moved south to threaten Saudi Arabia. It was then that I decided to act to check that aggression".
Following the September 11 attacks in 2001, senior U.S. State Department official Ryan Crocker flew to Geneva to meet with Iranian diplomats who were under the direction of Soleimani with the purpose of collaborating to destroy the Taliban.
The deadliest aviation-related disaster of any kind, considering fatalities on both the aircraft and the ground, was the destruction of the World Trade Center in New York City on September 11, 2001. On that morning, four commercial aircraft traveling on transcontinental flights from East Coast airports to California were hijacked after takeoff. The four hijacked aircraft were subsequently crashed in four separate suicide attacks against major American landmarks, by 19 Islamic terrorists affiliated with Al Qaeda. American Airlines Flight 11 and United Airlines Flight 175 were intentionally crashed into the North and South Towers respectively of the World Trade Center, destroying both buildings in less than two hours. The World Trade Center crashes killed 2,753, the vast majority of fatalities being occupants of the World Trade Center towers or emergency personnel responding to the disaster. Also, 184 were killed by American Airlines Flight 77, which crashed into the Pentagon (causing severe damage and partial destruction to the building's west side). 40 passengers were also killed when United Airlines Flight 93 crashed into a Somerset County, Pennsylvania field after passengers fought back and prevented the hijackers from reaching their designated target.
Early on the morning of September 11, 2001, 19 hijackers took control of four commercial airliners (two Boeing 757s and two Boeing 767s) en route to California (three headed to LAX in Los Angeles and one to SFO in San Francisco).
The attacks caused the deaths of 2,996 people (including all 19 hijackers) and injured more than 6,000 others. The death toll included 265 on the four planes (from which there were no survivors). Most of those who perished were civilians, with the exception of 343 firefighters, 72 law enforcement officers, 55 military personnel, and the 19 terrorists who died in the attacks.
In Arlington County, the Pentagon Memorial was completed and opened to the public on the seventh anniversary of the attacks in 2008. It consists of a landscaped park with 184 benches facing the Pentagon. When the Pentagon was repaired in 2001–2002, a private chapel and indoor memorial were included, located at the spot where Flight 77 crashed into the building.
On 11 September, Chief Executive Carrie Lam denounced the pro-independence banners and posters, asserting the students' message ran counter to the "one country, two systems" principle and the Basic Law, "I condemn the continued appearance of such remarks on university campuses, which is in violation of our country’s sovereignty, territorial integrity and development interests," she said. She also insisted academic freedom and university autonomy were no excuse for propagating fallacies.
Weah returned to the national team for a specially arranged friendly against Nigeria on 11 September 2018, his final international appearance, playing at the age of 51 while in office as the country's president. His number 14 shirt, worn by Weah at his playing peak, was retired after the friendly, with Weah receiving a standing ovation when he was substituted.