Donald Trump calls into WWOR/UPN 9 News on 9/11: Flashback

Back on 9/11, Donald Trump called into WWOR/UPN 9 News via phone to describe what he saw that morning.

September 11, 2001 timeline of attacks and events

Twenty-five years after the September 11, 2001, attacks, here's a timeline of what transpired on that day.

Behind the scenes: President Bush's chaotic hours after the 9/11 attacks

President George W. Bush was visiting with second-graders in a Florida classroom the morning of Sept. 11, 2001, when his chief of staff whispered in his ear: "America is under attack."

WATCH: 9/11 remembrance ceremony, annual reading of names

Today marks 25 years since the 9/11 attacks. During the morning in NYC, thousands gathered to remember those whose lives were lost. Several roads in the area will also be closed.

9/11 memorials in New York City, at the Pentagon, and in Pennsylvania honor the lives lost

The September 11, 2001, terror attacks killed 2,750 people in New York City, 184 at the Pentagon, and 40 in Pennsylvania. To honor and remember those killed, memorials have been built over the years in New York, Arlington, Virginia, and Shanksville, Pennsylvania.

Here's where – and what – schools are required to teach about 9/11

As 9/11 becomes history for younger Americans, states are taking different approaches to teaching students about the attacks and their lasting impact.

FDNY "Ten House" was the first firehouse to respond on 9/11, Sal Argano is the last firefighter still on staff

FDNY Ten House, home of Engine 10 and Ladder 10, is a small Manhattan firehouse just across an intersection from where the twin towers stood. Following the events of 9/11, the firefighters of Ten House have served as both living testimonials to what happened that day and public faces of the centuries-old FDNY. 

NYC releases thousands of 9/11 documents on Ground Zero air quality

NYC Mayor Zohran Mamdani is ordering the release of over 170,000 pages of long-hidden World Trade Center air quality reports and official records on 9/11.

Trump to mark 25th observance of 9/11 at Pentagon instead of Ground Zero: Reports

President Donald Trump plans to mark the 25th observance of the Sept. 11 attacks at the Pentagon, while Vice President JD Vance is expected at Ground Zero.

Live updates: King Charles and Queen Camilla visit 9-11 memorial site

King Charles III and Queen Camilla returned to the site of the 9/11 attacks on Wednesday as they head to New York City for the third day of their visit to the United States.

The names of 9/11 — where are they now?

From “America’s Mayor" Rudy Giuliani to Marcy Borders, remembered as the “Dust Lady," here’s where some of 9/11’s most recognized figures are today.

Trump to attend NYC Yankees game on 9/11 anniversary

President Trump will travel to the Bronx to attend the Yankees game on the anniversary of 9/11.

9/11 victims: 3 more people identified decades after attack

They were identified through now-improved DNA testing of minute remains found amid the wreckage of the World Trade Center on Sept. 11, 2001.

Plea deal for suspected Sept. 11 mastermind thrown out by appeals court

Khalid Sheikh Mohammed is accused of organizing the plot to crash hijacked airplanes into the World Trade Center and the Pentagon in 2001.

U.S. flag raised at Space Needle to honor 9/11 victims
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Seattle first responders held a 9/11 tribute atop the Space Needle to honor the lives that were lost 23 years ago.

How 9/11 transformed air travel: TSA, security measures, and fees explained

The September 11th attacks profoundly changed air travel. Prior to 2001, security protocols were less stringent, allowing friends and family to accompany passengers to the gate. Post-9/11, significant changes were introduced

Harris, Trump shake hands, stand together during 9/11 ceremony at Ground Zero

Harris, Biden, Trump and Vance stood together at the annual 9/11 memorial ceremony in New York City, hours after Harris and Trump traded barbs on stage at the first presidential debate.