35 Years of People
1974 to Now: PEOPLE's Biggest Stories
Celebrate our 35th anniversary with the newsmakers (Princess Diana! President Obama!) who shocked, moved and warmed the hearts of readers over the years
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2001: SEPTEMBER 11TH
On the morning of Sept. 11, four U.S. planes hijacked by terrorists crash into the World Trade Center, the Pentagon and a field in Pennsylvania killing nearly 3,000 people. The attacks go down as the worst act of terrorism in the U.S. – and changes the course of national security forever.
Read the full story in PEOPLE's Archive.
