Afghanistan War – Key Events, Facts & Combatants – HISTORY
Contents
The United States launched the war in Afghanistan following the September 11, 2001 terrorist attacks.The conflict lasted two decades and spanned four U.S. presidencies, becoming the longest war in American history.
By August 2021, the war began to come to a close with the Taliban regaining power two weeks before the United States was set to withdraw all troops from the region. Overall, the conflictresulted in tens of thousands of deaths and a $2 trillion price tag.Here's a look at key events from the conflict.
Investigators determined the 9/11 attacksin which terrorists hijacked four commercial airplanes, crashing two into the World Trade Center towers in New York City, one at the Pentagon near Washington, D.C., and one in a Pennsylvania fieldwere orchestrated by terrorists working from Afghanistan, which was under the control of the Taliban, an extremist Islamic movement. Leading the plot that killed more than 2,700 people was Osama bin Laden, leader of the Islamic militant group al Qaeda. It was believed the Taliban, which seized power in the country in 1996 following an occupation by the Soviet Union, was harboring bin Laden, a Saudi, in Afghanistan.
In an address on September 20, 2001, President George W. Bush demanded the Taliban deliver bin Laden and other al Qaeda leaders to the United States, or "share in their fate." They refused.
On October 7, 2001, U.S. and British forces launched Operation Enduring Freedom, an airstrike campaign against al Qaeda and Taliban targets including Kandahar, Kabul and Jalalabad that lasted five days. Ground forces followed, and with the help of Northern Alliance forces, the United States quickly overtook Taliban strongholds, including the capital city of Kabul, by mid-November. On December 6, Kandahar fell, signaling the official end of Taliban rule in Afghanistan and causing al Qaeda, and bin Laden, to flee.
During a speech on April 17, 2002, Bush called for a Marshall Plan to aid in Afghanistans reconstruction, with Congress appropriating more than $38 billion for humanitarian efforts and to train Afghan security forces. In June, Hamid Karzai, head of the Popalzai Durrani tribe, was chosen to lead the transitional government.
While approximately 8,000 American troops remained in Afghanistan as part of the International Security Assistance Force (ISAF) overseen by NATO, the U.S. military focus turned to Iraq in 2003, the same year U.S. Secretary of Defense Donald Rumsfeld declared "major combat" operations had come to an end in Afghanistan.
A new constitution was soon enacted and Afghanistan held its first democratic elections since the onset of the war on October 9, 2004, with Karzai, who went on to serve two five-year terms, winning the vote for president. The ISAFs focus shifted to peacekeeping and reconstruction, but with the United States fighting a war in Iraq, the Taliban regrouped and attacks escalated.
In a written statement released February 17, 2009, newly elected President Barack Obama pledged to send an extra 17,000 U.S. troops to Afghanistan by summer to join 36,000 American and 32,000 NATO forces already deployed there. "This increase is necessary to stabilize a deteriorating situation in Afghanistan, which has not received the strategic attention, direction and resources it urgently requires," he stated. American troops reached a peak of approximately 110,000 soldiers in Afghanistan in 2011.
In November 2010, NATO countries agreed to a transition of power to local Afghan security forces by the end of 2014, and, on May 2, 2011, following 10-year manhunt, U.S. Navy SEALs located and killed bin Laden in Pakistan.
President Barack Obama, Vice President Joe Biden, Secretary of State Hillary Clinton and members of the national security team receive an update on the mission against Osama bin Laden in the Situation Room of the White House May 1, 2011, Washington, D.C.
Pete Souza/The White House via Getty Images
Following bin Laden's death, a decade into the war and facing calls from both lawmakers and the public to end the war, Obama released a plan to withdraw 33,000 U.S. troops by summer 2012, and all troops by 2014. NATO transitioned control to Afghan forces in June 2013, and Obama announced a new timeline for troop withdrawal in 2014, which included 9,800 U.S. soldiers remaining in Afghanistan to continue training local forces.
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In 2015, the Taliban continued to increase its attacks, bombing the parliament building and airport in Kabul and carrying out multiple suicide bombings.
In his first few months of office, President Donald Trump authorized the Pentagon to make combat decisions in Afghanistan, and, on April 13, 2017, the United States dropped its most powerful non-nuclear bomb, called the "mother of all bombs," on a remote ISIS cave complex.
In August 2017, Trump delivered a speech to American troops vowing "we will fight to win" in Afghanistan. "America's enemies must never know our plans, or believe they can wait us out," he said. "I will not say when we are going to attack, but attack we will."
The Taliban continued to escalate its terrorist attacks, and the United States entered peace talks with the group in February 2019. A deal was reached that included the U.S. and NATO allies pledging a total withdrawal within 14 months if the Taliban vowed to not harbor terrorist groups. But by September, Trump called off the talks after a Taliban attack that left a U.S. soldier and 11 others dead. If they cannot agree to a ceasefire during these very important peace talks, and would even kill 12 innocent people, then they probably dont have the power to negotiate a meaningful agreement anyway, Trump tweeted.
Still, the United States and Taliban signed a peace agreement on February 29, 2020, although Taliban attacks against Afghan forces continued, as did American airstrikes. In September 2020, members of the Afghan government met with the Taliban to resume peace talks and in November Trump announced that he planned to reduce U.S. troops in Afghanistan to 2,500 by January 15, 2021.
The fourth president in power during the war, President Joe Biden, in April 2021, set the symbolic deadline of September 11, 2021, the 20th anniversary of the 9/11 attacks, as the date of full U.S. withdrawal from Afghanistan, with the final withdrawal effort beginning in May.
Facing little resistance, in just 10 days, from August 6-15, 2021, the Taliban swiftly overtook provincial capitals, Kandahar, Mazar-e-Sharif and, finally, Kabul. As the Afghan government collapsed, President Ashraf Ghani fled to the UAE, the U.S. embassy was evacuated and thousands of citizens rushed to the airport in Kabul to leave the country.
By August 14, Biden had temporarily deployed about 6,000 U.S. troops to assist in evacuation efforts. Facing scrutiny for the Taliban's swift return to power, Biden stated, I was the fourth president to preside over an American troop presence in Afghanistantwo Republicans, two Democrats. I would not, and will not, pass this war on to a fifth.
During the war in Afghanistan, more than 3,500 allied soldiers were killed, including 2,448 American service members, with 20,000-plus Americans injured. Brown University research shows approximately 69,000 Afghan security forces were killed, along with 51,000 civilians and 51,000 militants. According to the United Nations, some 5 million Afghanis have been displaced by the war since 2012, making Afghanistan the world's third-largest displaced population.
The U.S. War in Afghanistan, Council on Foreign Relations
Costs of the Afghanistan war, in lives and dollars, Associated Press
Who Are the Taliban, and What Do They Want?, The New York Times
Operation Enduring Freedom Fast Facts, CNN
Afghanistan: Why is there a war?, BBC News
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Afghanistan War - Key Events, Facts & Combatants - HISTORY
- Floods and landslides triggered by heavy rain in Afghanistan - news.cgtn.com - April 10th, 2026 [April 10th, 2026]
- China says Afghanistan and Pakistan agreed to explore a 'comprehensive solution' to conflict - NBC News - April 10th, 2026 [April 10th, 2026]
- Storms, floods kill more than 220 in Afghanistan and Pakistan in three weeks - Gulf News - April 10th, 2026 [April 10th, 2026]
- Afghanistan and Pakistan hold peace talks in Urumqi - Friends of Socialist China - April 10th, 2026 [April 10th, 2026]
- Seven killed in shooting at picnic site in western Afghanistan - News.az - April 10th, 2026 [April 10th, 2026]
- They helped the US in Afghanistan. Now theyre in immigration limbo - Straight Arrow News - SAN - April 10th, 2026 [April 10th, 2026]
- Duty-free Uzbek style: Tatarstan business invited to border with Afghanistan - realnoevremya.com - April 10th, 2026 [April 10th, 2026]
- Floods Ravage Afghanistan: Afghans struggling to survive with little to no assistance after flash floods - news.cgtn.com - April 10th, 2026 [April 10th, 2026]
- Afghanistan: 148 killed, 216 injured in weather disasters over last two weeks - Social News XYZ - April 10th, 2026 [April 10th, 2026]
- Pakistans faltering offensive in Afghanistan has pushed it towards negotiations - The Indian Express - April 10th, 2026 [April 10th, 2026]
- In Afghanistan no tragedy ever arrives alone: after the war, the floods - Diari ARA - April 10th, 2026 [April 10th, 2026]
- Afghanistan Key Message Update, March - September 2026: Emergency outcomes expected to persist until the 2026 harvest begins - ReliefWeb - April 10th, 2026 [April 10th, 2026]
- Afghanistan, Pakistan agree on 'comprehensive plan' to end tensions: China - TRT World - April 10th, 2026 [April 10th, 2026]
- Afghanistan and Pakistan agree to explore a solution after weeks of fighting and hundreds of deaths - WKMG - April 10th, 2026 [April 10th, 2026]
- Afghanistan Rain and Flood Death Toll Rises to 157, 229 Injured, Taliban Says - KabulNow - April 10th, 2026 [April 10th, 2026]
- SCO Secretariat takes part in the Meeting of the CSTO Working Group on Afghanistan - sectsco.org - April 10th, 2026 [April 10th, 2026]
- 148 people killed and 216 injured in Afghanistan over past two weeks due to heavy rains, floods and landslides - News On AIR - April 10th, 2026 [April 10th, 2026]
- Wichita Marine joined after losing aunt on 9/11, served in Afghanistan and Iraq - Yahoo - April 10th, 2026 [April 10th, 2026]
- Extreme weather leaves 22 dead over past 24 hours in Afghanistan, including 13 from collapsing roofs - AP News - April 8th, 2026 [April 8th, 2026]
- Why Chinas Quiet Mediation Could Pave the Way for Easing Pakistan-Afghanistan Tensions - thediplomat.com - April 8th, 2026 [April 8th, 2026]
- The 43rd meeting of the Working Group on Afghanistan under the CSTO Council of Foreign Ministers was held at the CSTO Secretariat - "" - April 8th, 2026 [April 8th, 2026]
- Embroidered Traditions from Morocco to Afghanistan - The Art Institute of Chicago - April 8th, 2026 [April 8th, 2026]
- Extreme weather kills 148 in Afghanistan - news.cgtn.com - April 8th, 2026 [April 8th, 2026]
- DW News. . Haroon from Afghanistan rescued his career and escaped persecution. And the scholar did it right here in Germany thanks to an initiative... - April 8th, 2026 [April 8th, 2026]
- VC winner Ben Roberts-Smith arrested over Afghanistan war crimes - The Times - April 8th, 2026 [April 8th, 2026]
- Afghanistan: A year of providing healthcare and institutional support - ICRC - April 8th, 2026 [April 8th, 2026]
- Afghanistan says peace talks held in China to end fighting with Pakistan have been constructive - AP News - April 8th, 2026 [April 8th, 2026]
- Australias most decorated living veteran to be charged with committing 5 war crime murders in Afghanistan - New York Post - April 8th, 2026 [April 8th, 2026]
- Pakistan, Afghanistan agree to explore comprehensive peace solution: China - The Express Tribune - April 8th, 2026 [April 8th, 2026]
- Afghanistan, Pakistan agree to avoid escalation during China-hosted talks: Beijing - Dawn - April 8th, 2026 [April 8th, 2026]
- Afghanistan Joins Nigeria, Somalia, Yemen, United Kingdom, Indonesia and More in CDCs Global Polio Travel Advisory, Urging Vaccination and Caution for... - April 8th, 2026 [April 8th, 2026]
- Pakistan says a new round of peace talks with Afghanistan is underway in China - AP News - April 8th, 2026 [April 8th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - AP News - April 7th, 2026 [April 7th, 2026]
- 5.8 magnitude earthquake hits Afghanistan and Pakistan, killing 8 on outskirts of Kabul - PBS - April 7th, 2026 [April 7th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - ABC News - April 7th, 2026 [April 7th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - Texarkana Gazette - April 7th, 2026 [April 7th, 2026]
- Storms and heavy rainfall disrupt transportation in Afghanistan. - AP News - April 7th, 2026 [April 7th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - Temple Daily Telegram - April 7th, 2026 [April 7th, 2026]
- Afghanistan Aims to Increase Trade with Central Asia to $10 Billion - The Times Of Central Asia - April 7th, 2026 [April 7th, 2026]
- No Easy Exit: The Entrenched Dynamics Behind The Pakistan-Afghanistan Conflict - The Organization for World Peace - April 7th, 2026 [April 7th, 2026]
- Delegation of Turkmenistan takes part in "Central Asia ? Afghanistan" ?onsultative Dialogue - AKIpress News Agency - April 7th, 2026 [April 7th, 2026]
- How the US and Pakistans relationship could help end respective wars with Iran and Afghanistan - Washington Examiner - April 7th, 2026 [April 7th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - livingstonenterprise.net - April 7th, 2026 [April 7th, 2026]
- India Provides Humanitarian Aid to Afghanistan Following Devastating Floods and Earthquakes Tourism and Relief Efforts Affected: All You Need To Know... - April 7th, 2026 [April 7th, 2026]
- United Nations in Afghanistan calls for funding to free the country from remnants of war - unama.unmissions.org - April 7th, 2026 [April 7th, 2026]
- Death toll from extreme weather in Afghanistan increases to 110 - The Independent - April 7th, 2026 [April 7th, 2026]
- Balochistan, Afghanistan, Iran: Is Pakistan running out of strategic room - The Times of India - April 5th, 2026 [April 5th, 2026]
- Floods, landslides triggered by heavy rain in Afghanistan leave 77 dead in 10 days, authorities say - Texarkana Gazette - April 5th, 2026 [April 5th, 2026]
- Floods, landslides triggered by heavy rain in Afghanistan leave 77 dead in 10 days, authorities say - Northeast Mississippi Daily Journal - April 5th, 2026 [April 5th, 2026]
- Floods, landslides triggered by heavy rain in Afghanistan leave 77 dead in 10 days, authorities say - Los Angeles Times - April 5th, 2026 [April 5th, 2026]
- Afghanistan Once Again Ranked as the Saddest Country in the World - Hasht-e Subh Daily - April 5th, 2026 [April 5th, 2026]
- China says peace talks between Afghanistan and Pakistan are advancing - AP News - April 5th, 2026 [April 5th, 2026]
- UN: Over 31,000 People in Afghanistan Affected by Flash Floods Last Year - Hasht-e Subh Daily - April 5th, 2026 [April 5th, 2026]
- Afghanistan Named the Saddest Country in the World Again - KabulNow - April 5th, 2026 [April 5th, 2026]
- Floods have hit multiple areas of Afghanistan, including western Herat - IslanderNews.com - April 5th, 2026 [April 5th, 2026]
- Afghanistan earthquake kills eight members of same refugee family returning from Iran - Yahoo News Australia - April 5th, 2026 [April 5th, 2026]
- Taliban: 12 Killed in Last Nights Earthquake in Afghanistan - Hasht-e Subh Daily - April 5th, 2026 [April 5th, 2026]
- Floods, landslides triggered by heavy rain in Afghanistan leave 77 dead in 10 days, authorities say - The Independent - April 5th, 2026 [April 5th, 2026]
- Flooding Forces Closure Of Major Routes Across Afghanistan - - April 5th, 2026 [April 5th, 2026]
- Family of 8 left war-torn Iran for Afghanistan, where an earthquake killed them | World News - Hindustan Times - April 5th, 2026 [April 5th, 2026]
- Floods, landslides triggered by heavy rain in Afghanistan leave 77 dead in 10 days, authorities say - The Spec - April 5th, 2026 [April 5th, 2026]
- Rain, storms kill 121 in Afghanistan and Pakistan in two weeks - CNA - April 5th, 2026 [April 5th, 2026]
- Extreme weather kills 77 in Afghanistan amid floods, landslides - Caliber.Az - April 5th, 2026 [April 5th, 2026]
- Heavy rains and storms kill 121 across Afghanistan and Pakistan - The Sun Malaysia - April 5th, 2026 [April 5th, 2026]
- Death toll in Afghanistan flooding increases to 28, authorities say - AP News - April 5th, 2026 [April 5th, 2026]
- Afghanistan Advances Qosh Tepa Canal While Urging Regional Water Cooperation - The Times Of Central Asia - April 1st, 2026 [April 1st, 2026]
- Rain and storms kill dozens in Afghanistan and Pakistan - The Times of India - April 1st, 2026 [April 1st, 2026]
- From the archives: Student nurses at a new hospital in Afghanistan, 2006 - Stars and Stripes - April 1st, 2026 [April 1st, 2026]
- Pakistan reopens border with Afghanistan after weeks of clashes | Daily Sabah - Daily Sabah - April 1st, 2026 [April 1st, 2026]
- Iran Is Not Vietnam, Iraq, or Afghanistan - The Times of Israel - April 1st, 2026 [April 1st, 2026]
- Richard Lindsay: Taliban Must Respect the Rights of All People of Afghanistan - 8am.media - April 1st, 2026 [April 1st, 2026]
- Uzbekistan and Afghanistan Establish Business Council to Boost Trade - The Times Of Central Asia - April 1st, 2026 [April 1st, 2026]
- Severe floods and building collapses kill 45, injure 74 others in Afghanistan and Pakistan - libyaupdate.com - April 1st, 2026 [April 1st, 2026]
- Bennett Condemns Continued Ban on Women from the People of Afghanistan Entering UN Offices - 8am.media - April 1st, 2026 [April 1st, 2026]
- At least 42 killed as floods and landslides hit Afghanistan - lke Haber Ajans - April 1st, 2026 [April 1st, 2026]
- UNICEF Aims to Treat 1.3 Million Malnourished Children in Afghanistan in 2026 - thekabultribune.com - April 1st, 2026 [April 1st, 2026]
- United Nations: Restrictions on Women and Girls in Afghanistan Continue - 8am.media - April 1st, 2026 [April 1st, 2026]
- Dozens killed as feuding Afghanistan and Pakistan hit by flooding - Australian Broadcasting Corporation - April 1st, 2026 [April 1st, 2026]
- US citizen imprisoned in Afghanistan is freed after more than a year - CNN - March 24th, 2026 [March 24th, 2026]
- Pakistan and Afghanistan: the next all-out war? - The Week - March 24th, 2026 [March 24th, 2026]