9/11 resulted from the confluence of multiple factors. Islamic extremism was stirred by the Iranian Revolution, the Soviet invasion of Afghanistan and the assassination of the Egyptian president. That extremism turned anti-American because of U.S. support for Israel and repressive and secular Arab regimes.

2009年11月24日 · After September 11, 2001, a heightened sense of security became the new normal. Take a look at how 9/11 became a benchmark for whole generations of young Americans, influencing their...

2021年9月8日 · The horrific events of September 11, 2001, forever altered the framework of the United States immigration law and policy. Just days before 9/11, then–US President George W. Bush and Mexico President Vicente Fox were actively discussing a path toward citizenship for more than three million undocumented Mexican citizens then living in the ...

2020年9月1日 · Congress and the White House answered with an unprecedented expansion of military, law enforcement and intelligence powers aimed at rooting out and stopping terrorists, at home and abroad.

2025年1月9日 · On Tuesday 11 September 2001, suicide attackers seized US passenger jets and crashed them into two New York skyscrapers, killing thousands of people. What unfolded that day has had profound...

On September 11, 2001, nineteen terrorists associated with al-Qaeda, an Islamist extremist group, hijacked four commercial airplanes scheduled to fly from the East Coast to California. In a coordinated attack that turned the planes into weapons, the terrorists intentionally flew two of the planes into the Twin Towers of the World Trade Center ...

2023年9月9日 · On September 11, 2001, terrorists attacked the Twin Towers and Pentagon, killing thousands. Here's why these two targets were of particular importance.

2001年9月11日 · Almost 3,000 people were killed during the 9/11 terrorist attacks, which triggered major U.S. initiatives to combat terrorism and defined the presidency of George W. Bush. What Was Flight 93's...

2024年9月11日 · Nearly 3,000 people were killed when al-Qaida hijackers crashed four jetliners into the twin towers, the Pentagon and a field in southwest Pennsylvania on Sept. 11, 2001. Here is an outline of...

Patriot Day, holiday observed in the United States on September 11 to commemorate the lives of those who died in the 2001 terrorist attacks on the World Trade Center in New York City and the Pentagon in Virginia and those who perished when the hijacked United Airlines Flight 93 crashed in