Remembering 9/11: 25 Years Later

Twenty-five years ago today, on September 11, 2001, 19 al-Qaeda-linked militants hijacked four planes in a coordinated attack on the United States.

Two struck New York’s World Trade Center, another hit the Pentagon, while a fourth crashed in Pennsylvania after passengers fought back.

Nearly 3,000 people died, forever changing America and global security.

Here is what you need to know about 9/11;