Some raw insights into the fear, confusion, and heartbreak they experienced on that tragic day.

This year marked the 23rd anniversary of the 9/11 attacks.

“The hours before I knew if my mom was dead or alive.

New York City skyline at night, featuring the Tribute in Light memorial with twin beams of light and the Statue of Liberty visible in the foreground

They wouldnt let us leave the school, and I didnt have a phone.

From our school, we could look out the window and see the smoke.

Some people even saw the second plane hit.

An American flag is planted on a memorial with blurred city buildings in the background, symbolizing remembrance. Names are inscribed on the memorial

Finally, they couldnt hold us any longer, and I ran home.

Sarin_The_End

2.

“An acquaintance of mine was a medical resident on the Upper West Side of Manhattan.

The image shows the World Trade Center towers in New York City during the 9/11 attacks, with smoke billowing from the upper floors where planes struck

Then it was just…silent.

There were no survivors to send their way.

Thats when she realized the unprecedented devastation of the attack.”

A person stands in front of multiple TV screens, all displaying news footage of the World Trade Center attack on 9/11

dinglepumpkin

3.

“When the second plane hit, and it became evident that this was not an accident.”

Campbell__Hayden

4.

Smoke rises from the Pentagon as firefighters work to extinguish the flames after the 9/11 attack. The Washington Monument is visible in the background

“I was in seventh grade in Brooklyn.

Mom worked right around the corner from the WTC.

samanthaaaaaaa7

5.

People walking on the Brooklyn Bridge covered in dust, with limited visibility due to a fog-like haze. The bridge's arches are partially visible through the mist

“Both my dad and sister were flying that day, and I didnt know when exactly.

I lived in D.C., and the phones were all down, so I couldnt check.

Definitely so much worse for so many people.”

Military personnel in camouflage and armed security officers stand guard at a checkpoint with a yellow barricade and a sign about parking lights and security ahead

4sOfCors

6.

“I was a child, so the whole thing didnt really sink in until later.

findallthebears

7.

A woman with long hair warmly hugs a young man who is leaning into her embrace. Both appear content and comforted by the hug

“All the footage of people jumping.”

Santos_L_Halper_II

“I had trouble sleeping without thinking of that for weeks.

I still can’t dwell on it for long without getting unnerved.

The idea of having to choose between burning to death or jumping to your death is just unfathomable.”

arothmanmusic

8.

Then some of his regulars stopped showing up, and eventually, he found out they were gone.”

uPsyDeDown13

9.

While my dad was at the Pentagon that day.

All punctuated by new and increasingly horrific images and news updates.

Most of that day is a foggy haze to me.

My brain was just overwhelmed with the enormity of it all and my own personal shock.

I think I cried a little with relief.”

thrax_mador

10.

HumanWagyu

11.

The world we lived in changed dramatically and immediately.”

Tedsallis

12.

“The smell was horrifying.

handsomechuck

“I can’t forget it.

This is the thing that people outside New York don’t realize.

The smell was awful.

And it was literally everywhere.

You couldn’t escape it.

Home, work, everywhere.

It lasted for months.

But in NY, it was impossible.”

DiscoStu1972

13.

“I was living in the East Village at the time in one of NYUs dorms.

I remember how quiet the streets were.

Everything below 14th St. was closed off.

I called 911, and it took officers an hour to show up.

Thistlefizz

14.

I hadn’t even unpacked my gear yet.

By the end of the day, I was saying goodbye to my friends and family again.”

UltraSapien

15.

They had prepared us for attacks from North Korea and that’s how we treated that day.

FattDamon11

16.

“My high school was on the flight path for an Air Force Base.

cyclejones

17.

“When I found out that my roommate’s dad died in the second tower.

Then the second plane hit, trapping him.”

badhouseplantbad

18.

I was away at college and had no idea where he was until the afternoon.

He keeps a plaque with all of their names in his office.”

Note: Some responses have been edited for length and/or clarity.