United States Marks 25 Years Since 9/11 Attacks

Ceremonies honor 2,977 victims at Ground Zero, Pentagon and Shanksville.

The United States has marked 25 years since the September 11, 2001 terrorist attacks with solemn ceremonies honoring the 2,977 people killed in New York, Washington and Pennsylvania. Families, survivors, officials and members of the public gathered at memorial sites to remember those who died when hijacked aircraft struck the World Trade Center and Pentagon, while another aircraft crashed in Shanksville, Pennsylvania. The anniversary represents a major milestone in the nation’s collective memory, bringing renewed attention to the human cost of the attacks and the profound changes that followed.

A quarter-century after September 11, the commemorations also reflect how the events reshaped American foreign policy, national security and public life. The attacks led to wars, major changes in intelligence and airport security, and an extensive expansion of counterterrorism operations. Yet the anniversary remains primarily centered on remembrance rather than policy. Families continue to mark the loss of relatives, colleagues and friends, while survivors reflect on experiences that changed their lives permanently. Memorial ceremonies provide a space for different generations to understand the historical significance of the attacks and the people affected by them. As the number of young Americans with no personal memory of September 11 increases, preserving those stories has become an important part of national remembrance. The 25th anniversary therefore serves both as a tribute to the victims and as a moment for reflection on the enduring legacy of one of the most consequential events in modern American history.