Watch Jon Stewart's unifying opening monologue during his first show back after the 9/11 terrorist attacks.

After the 9/11 terrorist attacks, The Onion stuck with satire, defying what some were predicting was 'the death of irony.'

Watch Springsteen open a somber 9/11 tribute

“America: A Tribute to Heroes” was a fundraising telethon on Sept. 21, 2001, and simulcast across the four major networks. Springsteen opened the program with “My City of Ruins,” a song originally written about Asbury Park that took on new significance after the Sept. 11 terrorist attacks.

Broadway theaters reopened 48 hours after the 9/11 terrorist attacks at the request of New York Mayor Rudy Giuliani.

President Bush threw the first pitch at the World Series in New York City less than two months after 9/11.

9/11 was the first global disaster watched in real time across the world

As the first plane struck at 8:46 a.m. ET, CNN's live feed broadcast images worldwide within minutes. An estimated 2 billion people watched the collapse of the Twin Towers live.

President Bush addressed the nation on 9/11 from the Oval Office, watched by an estimated 80 million people.

One Day in America series reveals the full timeline and human toll of 9/11

This National Geographic episode reconstructs the events of 9/11—highlighting the Pentagon attack, Flight 93 hijacking, South Tower collapse, and rescue efforts—offering a detailed, chronological account of how the day unfolded.

After the 9/11 terrorist attacks, US radio stations created a list of 150 banned songs they feared would be insensitive.

Watch New York City's Tribute in Light to the victims of 9/11

Tribute in Light is a commemorative public art installation first presented six months after 9/11 and then every year thereafter, from dusk to dawn, on the night of September 11. It has become an iconic symbol that both honors those killed and...

Experience 9/11, the deadliest terrorist attack on American soil, as it happened.

George W. Bush delivered the first State of the Union livestreamed online

In 2002, George W. Bush became the first president to livestream the State of the Union, using the address to label Iraq, Iran, and North Korea an "axis of evil," shaping US strategy during the War on Terror.

HBO premiered the modern stand-up special in 1975

When they appeared on TV, stand-ups were typically limited to five-minute spots on late-night talk shows, like "The Tonight Show." That changed with the fledgling HBO, which offered comics hourlong slots. The first was "An Evening with Robert Klein," a special that would define "the hour" for decades.

Americans showed an unprecedented surge of patriotism after 9/11

In the weeks following 9/11, 79% of US adults reported displaying the American flag, and a year later, 62% said they "often felt patriotic" due to the attacks.

Coverage of the 9/11 terrorist attacks helped shape Wikipedia's editorial policies

Launched nine months earlier, the site was featured on Yahoo's news page, attracting traffic from information seekers as dozens of new editors created hundreds of articles, including memorials, conspiracy theories, and donation and volunteer pages. Discussions between editors would begin establishing rules for handling breaking news events.

How NATO responded to 9/11

The collective defense clause of the NATO constitution has only been invoked one time: after the 9/11 terrorist attacks against the United States. This video explores the immediate actions NATO took to respond to the attacks to support the United States. These firsthand clips from 2001 give a sense of the magnitude of the moment and the difficult decisions facing NATO leaders at the time.

A NYC church near ground zero became a 24/7 relief center for more than eight months without closing after the attacks, providing meals, beds, and other support to relief workers.

Stand-up became more popular during the Great Depression

The stock market crash of 1929 caused vaudeville theaters to shutter. Audiences were looking for lighthearted distractions from the country’s financial problems, though, and stand-up became more popular, albeit in very different venues.

How HBO pioneered the hourlong stand-up comedy special

Stand-up comedy was already on television in the 1970s thanks to Johnny Carson, but comics were limited to clean sets that typically lasted five minutes. HBO, on the other hand, offered stand-ups the opportunity to air their unadulterated material like they would at a club.

9/11 reshaped US foreign and military policy for decades, shifting focus to non-state actors and the Middle East.

Bob Hope's radio shows brought stand-up to the masses

Bob Hope’s 1930s variety shows featured comedic monologues. Unlike the tightly scripted and evergreen sets of vaudeville, Hope’s monologues leaned into topical and political humor, sometimes to the disapproval of his network.

The opposition party to the president first delivered a televised response in 1966

Television networks first granted airtime to the out-of-power party in 1966, with Republicans Everett Dirksen and then-Representative Gerald R. Ford delivering the inaugural response. See a list of each opposition response to the State of the Union since then.

They lost loved ones on 9/11. Hear the heart-wrenching voicemails they'd leave for them.

NPR set up an old phone booth in Brooklyn Bridge Park — across the river from the new World Trade Center — and invited people to leave a voicemail for someone they lost that day.

Explore personal 9/11 oral histories from survivors, first responders, and families

The 9/11 Memorial Museum's archive includes over 3,500 firsthand interviews—spanning survivors, first responders, family members, and residents—offering rare, deeply personal perspectives on the tragedy and its aftermath.

View artifacts at the Smithsonian that tell the story of 9/11.

The US launched the Global War on Terror after 9/11

In the wake of 9/11, the US declared a Global War on Terror—initiating military operations in Afghanistan and Iraq, expanding surveillance, and forming international coalitions to combat terrorism and disrupt extremist networks worldwide.

Conan's 2000 commencement speech offers comfort and humor to young Harvard graduates

In the spring of 2000, famous late-night talk show host and comedian Conan O'Brien gave a hilarious, thoughtful speech to the graduating class at Harvard, where he graduated from in 1985. He warns that once adult life begins, any stupid mistakes made by a Harvard grad will be severely mocked. He also recounts his post-grad failures and how important they were in his success. The speech has been noted ever since as a classic example of both wisdom and foolishness.

Double rainbow appears in New York City on 9/11 anniversary

On the evening of the 9/11 anniversary in 2023, a double rainbow appeared after a thunderstorm across Manhattan, providing inspiration 22 years after the terrorist attacks there. Peruse several amateur images taken of the phenomenon which were shared on social media, including shots from up high in condos overlooking Central Park and from across the Hudson River in New Jersey.

Television transformed the State of the Union, beginning with Harry Truman

In 1947, President Truman delivered the first televised State of the Union address, marking the address's shift into the visual age and expanding the president's reach beyond radio to a national TV audience.

What 9/11 did to one family: the heartbreaking story of Bobby McIlvaine

Grief, conspiracy theories, and a family's search for meaning in the two decades since the attacks. On Sept. 11, 2001, Bobby McIlvaine was killed, along with nearly 3,000 other Americans. In the years since, his parents and brother have searched for...

Chris Rock believes TV ruined stand-up

Chris Rock is one of comedy’s stand-up superstars, breaking through with several specials in the ‘90s. In this interview with stand-up legend David Steinberg, Rock explains how comics began working towards landing a spot on TV rather than focusing on creating a long, inspired stand-up set.

A writer's reflection on 'The Falling Man' - the man who fell from the World Trade Center

In an excerpt from his ‘Press Box’ interview with Bryan Curtis, writer Tom Junod discusses his Esquire story about the image of a man who fell or jumped from the North Tower on Sept. 11, 2001.

The intro for every 'Saturday Night Live' cast member ever

Cast member intros are an iconic part of "SNL," featuring a portrait of the comedian and a bold recitation of their name by Don Pardo or Darrell Hammond. This video splices together the intros for every cast member in the show's five-decade history.

'SNL' began as a low-budget replacement for reruns of 'The Tonight Show'

Johnny Carson, host of "The Tonight Show," asked NBC to move his reruns to weeknights instead of weekends. That freed up a weekend slot and the network decided to try a new live show.

‘Saturday Night Live’ cast rank the show's best comics

"Saturday Night Live" has held a unique role in the cultural zeitgeist since its founding in 1975, providing a national stage of silly mockery and filling our Sunday feeds with the latest impressions of public figures. In its 50th year, 50 cast members weigh in on who their favorite casts and individual comedians were. Read their various opinions here.

10 ways David Letterman changed late-night TV

Late-night TV is an American institution with its own tropes and traditions. While Johnny Carson is often noted as the model for late-night hosts, the modern notion of the format owes just as much (if not more) to David Letterman, who redefined the model in the early 1980s. This list from ABC News ranks the 10 ways Letterman accomplished that, using one of Letterman's classic bits to honor the man's legacy.

'The Larry Sanders Show' redefined the American sitcom by removing audience laughter, a move that seemed counterintuitive for a television comedy.

After the 9/11 terrorist attacks in New York City’s Financial District in 2001, many banks decided to relocate

Much has been said about why today’s top banks are typically no longer headquartered on Wall Street itself. The terrorist attacks in New York City’s Financial District on Sept. 11, 2001, are one reason many banks decided to relocate.

President Reagan postponed the State of the Union after Challenger

In his Oval Office address delivered the night of the disaster, President Ronald Reagan spoke directly to the nation about the loss of Challenger and its crew, postponing that evening's scheduled State of the Union to address the tragedy.

Mark Twain was an early influence on stand-up

The writer’s live lectures looked a lot like modern stand-up comedy specials. Twain’s world tour in the 1890s featured 90-minute performances in which he stood alone on the stage, delivering long, comedic monologues with his hand perched on his chin.

Lyndon Johnson moved the State of the Union into prime time

In January 1965, President Johnson moved the address to prime time to reach a larger TV audience, using it to promote his "Great Society" program—a push to reduce poverty, advance civil rights, and expand federal action in healthcare and economic opportunity.

President George W. Bush learned of the 9/11 attacks while visiting a classroom.

SNL's history in 60 seconds

Saturday Night Live has been a fixture of American comedy since 1975. Created by Lorne Michaels and Dick Ebersol, the show was designed as an alternative to late-night reruns, blending live sketch comedy, political satire, and celebrity impressions.

Stand-up Marc Maron invented the modern comedy podcast

In 2009, Marc Maron created his podcast “WTF,” featuring the stand-up holding long, candid conversations with an eclectic selection of guests. That template now defines modern podcasting, including some of the medium’s most popular shows.

Presidents invite guests to personalize the State of the Union

The tradition began in 1982 when Ronald Reagan honored Lenny Skutnik, who rescued a survivor from the icy Potomac after a plane crash. Since then, presidents have spotlighted a wide range of guests from Rosa Parks to Rush Limbaugh to humanize and reinforce policy themes.

Stand-up comedy podcasts have realigned political campaigns

Some of the world’s most popular podcasts, like “The Joe Rogan Experience” and “This Past Weekend w/ Theo Von,” are hosted by stand-up comedians. They also now play a role in American politics, with representatives, senators, and even presidents taking part in their freewheeling conversations

The 'Miracle on the Hudson' showed heroism in the air and changed social media forever

On Jan. 15, 2009, US Airways Flight 1549 lost both engines after hitting birds and was safely landed in the Hudson River. The event was a turning point for Twitter, as a photo and a tweet quickly spread—marking Twitter's rise as a real-time news source.

NATO's Article 5 has been invoked once—after 9/11

The article was invoked the day after the attacks and launched a series of NATO campaigns to fight global terrorism. This page includes excerpts from a speech by then-NATO Secretary General Jens Stoltenberg about the attacks and the organization’s response.

An in-depth account of the image of 'The Falling Man' whose final seconds capture the visceral horrors of 9/11

Do you remember the photograph above? In the US, people have taken pains to banish it from the record of Sept. 11, 2001. Here's a detailed account of the story behind it, the search for the man pictured in it, and its impact on those who lived through the tragic day.

Jim Downey is one of SNL's most legendary writers

Jim Downey arrived at “Saturday Night Live” in 1976, the same week as Bill Murray. He also wrote a legendary monologue from “Billy Madison,” and created David Letterman’s “Top Ten."

9/11 permanently changed air travel security in the US with the creation of the Transportation Security Administration.