9/11 Timeline: Three Hours That Changed Everything
9/11 Timeline: Three Hours That Changed Everything
For Americans and people watching around the world, September 11, 2001, is a day that will never be forgotten.
Within three hours, New York’s tallest buildings were reduced to rubble, and the Pentagon—the nerve center of the American armed forces—was burning and partially collapsed. Thousands of civilians had lost their lives and were seriously injured, and the entire country was in collective shock, still trying to make sense of how a coordinated act of terrorism of that magnitude was allowed to take place on American soil.
In the 20 years since 9/11, the events that occurred that morning have been analyzed in-depth from a thousand different angles. Even though the attacks took place in the era just before mobile phones had viable cameras, there are countless images and videos of the event. As well, we now have the 9/11 Commission Report, which compiles interviews from over 1,200 people in 10 countries, and draws upon two and a half million pages of documents to present its findings.
For many people younger than Generation X, 9/11 is a feeling—a grim milestone from their youth—but the details are likely more fuzzy. The timeline visualization above is a high-level record of what happened that morning during the three hours when everything changed.
A Chronology of Terror
In its most simple form, the 9/11 attacks can be described as a coordinated hijacking of four commercial airplanes, which were then used to fly into high profile targets in New York City and Washington, DC. Here is a summary of the planes involved in the incident:
These four flights play a central role in what unfolded that morning. In the early hours of September 11, 2001, a collection of 19 would-be hijackers made their way through security at airports in Boston, Newark, and Washington, DC.
Our three-hour timeline begins just before 8am, as the first plane involved in the attack leaves the tarmac just outside of Boston. (In situations where the exact time isn’t known, a range is given.)
Sept 11, 2001, 7:59am – American Airlines Flight 11, a Boeing 767 carrying 81 passengers and 11 crew members, departs from Logan International Airport in Boston, bound for Los Angeles International Airport.
8:14 – United Airlines Flight 175, a Boeing 767, carrying 56 passengers and 9 crew members, departs from Logan International Airport in Boston, bound for Los Angeles International Airport.
8:14 – Flight 11 is hijacked over central Massachusetts. There are five hijackers on board.
8:20 – American Airlines Flight 77, a Boeing 757 with 58 passengers and 6 crew members, departs from Washington Dulles International Airport, for Los Angeles International Airport.
8:42 – United Airlines Flight 93, a Boeing 757 with 37 passengers and 7 crew members, departs from Newark International Airport, bound for San Francisco International Airport.
8:42–8:46 – Flight 175 is hijacked above northwest New Jersey. There are five hijackers on board.
8:46 – Flight 11 crashes into the north face of the North Tower (1 WTC) of the World Trade Center, between floors 93 and 99. All 92 people on board are killed.
8:50–8:54 – Flight 77 is hijacked above southern Ohio. There are five hijackers on board.
9:03 – Flight 175 crashes into the south face of the South Tower (2 WTC) of the World Trade Center, between floors 77 and 85. All 65 people on board are killed.
9:28 – Flight 93 is hijacked above northern Ohio. There are four hijackers on board.
9:37 – Flight 77 crashes into the western side of The Pentagon. All 64 people on board are killed.
9:45 – United States airspace is shut down; all operating aircraft are ordered to land at the nearest airport.
9:59 – The South Tower of the World Trade Center collapses, 56 minutes after the impact of Flight 175.
10:03 – Flight 93 is crashed by its hijackers in a field in Somerset County, Pennsylvania. Later reports indicate that passengers had learned about the World Trade Center and Pentagon crashes and were resisting the hijackers. All 44 people on board are killed in the crash.
10:28 – The North Tower of the World Trade Center collapses, 1 hour and 42 minutes after the impact of Flight 11. The Marriott Hotel at the base of the two towers is also destroyed.
10:50 – Five stories of the western side of the Pentagon collapse due to the fire.
Two and a half hours after the first plane left Boston, the iconic “Twin Towers” lay in ruins in Lower Manhattan, and brave first responders and military personnel were scrambling to save lives and secure the country.
Life in America was set on a new trajectory.
Two decades is a long time in the world of technology and media. Though the communication channels of that era may seem slow by today’s standards, the September 11 terrorist attacks still took place in the age of 24-hour cable news coverage and nascent online reporting.
Add in the fact that New York was (and still is) a linchpin of global media, and it’s easy to see why media coverage of the attack spread so quickly.
Within two minutes of the first impact on the World Trade Center, a nearby camera crew covering New York’s mayoral primary election was already broadcasting a live feed of the burning building to a TV audience. Within three minutes, news of the attack hit the Associated Press newswire, and moments after that, most major networks cut away from scheduled programming to cover the story.
Less than 10 minutes after the impact, President Bush–who was attending an event at a Florida elementary school–was informed of the crash (which at that point was characterized as an accident).
Because media outlets were able to cover the incident so quickly, millions of people witnessed the second plane striking the South Tower in real-time a mere 17 minutes after the first impact. This was a defining moment as millions of people around the world experience the events precisely as they unfolded.
The still-young internet was strained that day. Moments after the impact of the North Tower, the CNN and MSNBC websites experienced a crushing load of traffic that overwhelmed servers. The FBI’s website also experienced issues after posting the images of the 9/11 hijackers later that day.
The Pentagon has been repaired, and a shiny, 94-story World Trade Center now punctuates the skyline of Lower Manhattan, but not all wounds have healed.
For one, many 9/11 survivors are living with lingering health issues believed to be linked to the toxic smoke from the attack and building collapse. Many others are living with the absence of the nearly 3,000 loved-ones who died during the attacks.
The Department of Homeland Security (DHS) is still a lasting legacy of the 9/11 attacks. When DHS began operations in 2003, it was the largest U.S. government reorganization in the 50 years since the Department of Defense was created. In addition to this largely “hidden” layer of security, people now encounter more vigorous security protocol at airports around the world.
As well, the recent withdrawal from Afghanistan was a reminder that long shadow of the attack is still influencing events today, even two decades later.
Mapped: European Colonial Shipping Lanes (1700‒1850)
This map plots the colonial shipping lanes used by the British, the French, the Spanish, and the Dutch in the 18th and 19th centuries.
European Colonial Shipping Lanes (1700‒1850)
Every year, thousands of ships ferry passengers and transport goods across the world’s oceans and seas.
200 years ago, the ships navigating these waters looked very different. Explorers and traders sailed from coast to coast to expand colonial empires, find personal riches, or both.
Before modern technology simplified bookkeeping, many ships kept detailed logbooks to navigate, tracking the winds, waves, and any remarkable weather. Recently, these handwritten logbooks were fully digitized into the CLIWOC database as part of a UN-funded project by the University of Madrid.
In this graphic, Adam Symington uses this database to visualize the British, French, Spanish, and Dutch shipping routes between 1700 and 1850.
Colonial Shipping Lanes
In the 18th and 19th centuries, the British, French, Spanish, and Dutch empires dominated global trade through their colonial shipping lanes.
All four nations sailed across the Atlantic Ocean with some frequency over that timeframe, but these fleets were also very active in the Pacific and Indian Oceans as well.
The table below reflects the record of days spent by digitized logbooks from each nation.
|Country||N. Atlantic||S. Atlantic||Indian Ocean||Pacific||All Oceans|
Does this mean that the Netherlands had the widest colonial reach at the time? Not at all, as researchers noted that there were thousands of logbooks from each country that weren’t able to be digitized, and thousands more that were lost to time. The days simply reflect the amount of data that was available to examine from each country.
But they can still give us an accurate look at critical shipping routes between European countries, their trade partners, and their colonies and territories.
Let’s now take a closer look at the colonial powers and their preferred routes.
The British shipping map shows a steady presence across the Atlantic and the Indian Ocean. They utilized many of Europe’s ports for ease of trade, with strong pre-independence connections to the U.S., Canada, and India.
One of the most frequented shipping routes on the map seen is a triangular trade route that enabled the trans-Atlantic slave trade. This route facilitated the transportation of slaves from Africa to the Americas, raw materials such as sugar, tobacco, and cotton from the American colonies to Europe, and arms, textiles, and wine from Europe to the colonies.
During this period, Spanish maritime trade with its colonies was an essential economic component of the Kingdom of Spain (as with other colonial empires).
We can see the largest concentration of Spanish ships around Central and South America leading up to the Spanish American wars of independence, as those colonies were especially important suppliers of raw materials such as gold, silver, sugar, tobacco, and cotton. There are some lanes visible to Pacific colonies like the Philippines.
Of the four empires, France’s maritime logbooks were the most sparse. The records that were digitized show frequent travel and trade across the North Atlantic Ocean to Canada and the Caribbean.
The French empire at the time included colonies in the Caribbean, Indian Ocean, and West Africa. Their trade routes were used to transport goods like sugar, coffee, rum, and spices, while also relying on the slave trade to maintain plantation economies. The French colony of Saint-Domingue (now Haiti) was one of the world’s wealthiest colonies in the late 18th century.
Dutch shipping routes from the time had the most detail and breadth of any country, reflective of the Dutch East India Trading Company’s position as the world’s dominant company and trade force.
These include massive traffic to the Dutch East Indies (now Indonesia), Cape Colony (now South Africa), and the Guianas in South America.
Interestingly, researchers from Leiden University found that the Dutch empire was a “string of pearls” consisting mostly of strategic trading hubs stretched along the edges of the continents and focused on maritime power.
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