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Explained in plain English

What was 9/11?

The 9/11 attacks were a series of four coordinated terrorist attacks by al-Qaeda against the United States on September 11, 2001. Hijackers crashed two planes into the World Trade Center in New York and one into the Pentagon in Virginia. A fourth plane, intended for Washington D.C., crashed in Pennsylvania after passengers fought back. This story marks 25 years since these devastating events.

Stories that explain this

America remembers 25 years since 9/11 attacks on Friday MI5 chief says Britain faces greater danger than in 2001 Pope Leo XIV calls for peace on 25th 9/11 anniversary

Related explainers

Who leads US memorials? What is a memorial stair climb? What is MI5? Who is the Pope? Why remember 9/11? What is the 'seventh bell'? Who is Sir Ken McCallum? Who is Sir Tony Blair?

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