Asim Abdulrahman is an Egyptian Islamist militant. The son of Omar Abdur Rahman, he has been described as "among the closest" of Osama bin Laden's followers in the days following the September 11th attacks in 2001. [1]
Under the kunya Abu Asim, Abdulrahman was believed to have led an Egyptian militant group that allied itself with the World Islamic Front as of 1998. [2]
In early November 2001, the Taliban government announced they were bestowing Afghan citizenship on him, as well as bin Laden, Ayman al-Zawahiri, Saif al-Adel and Mohammed Atef. [3]
Al-Qaeda is a pan-Islamist militant organization led by Sunni jihadists who self-identify as a vanguard spearheading a global Islamist revolution to unite the Muslim world under a supra-national Islamic caliphate. Its membership is mostly composed of Arabs but also includes people from other ethnic groups. Al-Qaeda has mounted attacks on civilian, economic and military targets of the U.S. and its allies; such as the 1998 US embassy bombings, the USS Cole bombing, and the September 11 attacks.
Osama bin Laden was a Saudi Arabian-born Islamist dissident and militant leader who was the founder and first general emir of al-Qaeda, a militant terrorist organization espousing Islamism, pan-Islamism and jihadism. Bin Laden participated in the Afghan mujahideen's jihad against the Soviet Union during the Soviet–Afghan War, and supported the Bosnian mujahideen during the Yugoslav Wars. Opposed to the United States' foreign policy in the Middle East, Bin Laden declared war on the U.S. in 1996. He supervised international terrorist attacks against Americans, including the September 11 attacks inside the U.S. in 2001.
Mullah Muhammad Omar was an Afghan militant leader and cleric who founded the Taliban in 1994. During the Third Afghan Civil War, the Taliban fought the Northern Alliance and took control of most of the country, establishing the First Islamic Emirate for which Omar began to serve as Supreme Leader in 1996. Shortly after al-Qaeda carried out the September 11 attacks, the Taliban government was toppled by an American invasion of Afghanistan, prompting Omar to go into hiding. He successfully evaded capture by the American-led coalition before dying in 2013 from tuberculosis.
Ayman Mohammed Rabie al-Zawahiri was an Egyptian-born pan-Islamist militant and physician who served as the second general emir of al-Qaeda from June 2011 until his death in July 2022. He is best known for being one of the main orchestrators of the September 11 attacks.
Mohamed Salah al-Din al-Halim Zaidan, commonly known by his nom de guerreSaif al-Adel, is a former Egyptian Army officer and explosives expert who is the de facto leader of al-Qaeda. Al-Adel fought the Soviets as an Afghan Arab before becoming a founding member of the al-Qaeda organization. He is a member of Al-Qaeda's Majlis al-Shura and has headed the organization's military committee since the death of Muhammad Atef in 2001. He is currently known to live in Iran along with several other senior members of the group.
Operation Infinite Reach was the codename for American cruise missile strikes on al-Qaeda bases that were launched concurrently across two continents on 20 August 1998. Launched by the U.S. Navy, the strikes hit the al-Shifa pharmaceutical factory in Khartoum, Sudan, and a camp in Khost Province, Afghanistan, in retaliation for al-Qaeda's August 7 bombings of American embassies in Kenya and Tanzania, which killed 224 people and injured over 4,000 others. Operation Infinite Reach was the first time the United States acknowledged a preemptive strike against a violent non-state actor.
Harkat-ul-Mujahideen is a Pakistan-based Islamist jihadist group operating primarily in Kashmir. The group had links to Osama bin Laden and Mullah Omar.
The 055 Brigade was a guerrilla organization loyal to Osama bin Laden that was sponsored and trained by al-Qaeda, and was integrated into the Taliban between 1996 and 2001.
The 1996–2001 Afghan Civil War, also known as the Third Afghan Civil War, took place between the Taliban's conquest of Kabul and their establishing of the Islamic Emirate of Afghanistan on 27 September 1996, and the US and UK invasion of Afghanistan on 7 October 2001: a period that was part of the Afghan Civil War that had started in 1989, and also part of the war in Afghanistan that had started in 1978.
The Battle of Tora Bora was a military engagement that took place in the cave complex of Tora Bora, eastern Afghanistan, from November 30 – December 17, 2001, during the final stages of the United States invasion of Afghanistan. It was launched by the United States and its allies with the objective to capture or kill Osama bin Laden, the founder and leader of the militant organization al-Qaeda. Al-Qaeda and bin Laden were suspected of being responsible for the September 11 attacks three months prior. Tora Bora is located in the Spīn Ghar mountain range near the Khyber Pass. The U.S. stated that al-Qaeda had its headquarters there and that it was bin Laden's location at the time.
Afghan Arabs were the Arab Muslims who immigrated to Afghanistan and joined the Afghan mujahideen during the Soviet–Afghan War. The term does not refer to the history of Arabs in Afghanistan before the 1970s. Despite being referred to as Afghans, they originated from the Arab world and did not hold Afghan citizenship.
Hamza bin Laden was a Saudi Arabian-born key member of al-Qaeda. He was a son of Osama bin Laden. On 14 September 2019, it was claimed by U.S. President Donald Trump that he was killed in a U.S. counterterrorism operation on the Afghanistan–Pakistan border. In 2024, unconfirmed media reports claimed that he was still alive and a senior leader of al-Qaeda.
Several sources have alleged that the Central Intelligence Agency (CIA) had ties with Osama bin Laden's faction of "Afghan Arab" fighters when it armed Mujahideen groups to fight the Soviet Union during the Soviet–Afghan War.
Osama bin Laden, a militant Islamist and co-founder of al-Qaeda, in conjunction with several other Islamic militant leaders, issued two fatawa – in 1996 and then again in 1998—that military personnel from the United States and allied countries until they withdraw support for Israel and withdraw military forces from Islamic countries. He was indicted in United States federal court for his alleged involvement in the 1998 U.S. embassy bombings in Dar es Salaam, Tanzania and Nairobi, Kenya, and was on the U.S. Federal Bureau of Investigation's Ten Most Wanted Fugitives list until his death.
Pakistan and state-sponsored terrorism refers to the involvement of Pakistan in terrorism through the backing of various designated terrorist organizations. Pakistan has been frequently accused by various countries, including its neighbours Afghanistan, Iran, and India, as well as by the United States, the United Kingdom, Germany, and France, of involvement in a variety of terrorist activities in both its local region of South Asia and beyond. Pakistan's northwestern tribal regions along the Afghanistan–Pakistan border have been described as an effective safe haven for terrorists by Western media and the United States Secretary of Defense, while India has accused Pakistan of perpetuating the insurgency in Jammu and Kashmir by providing financial support and armaments to militant groups, as well as by sending state-trained terrorists across the Line of Control and de facto India–Pakistan border to launch attacks in Indian-administered Kashmir and India proper, respectively. According to an analysis published by the Saban Center for Middle East Policy at the Brookings Institution in 2008, Pakistan was reportedly, with the possible exception of Iran, perhaps the world's most active sponsor of terrorist groups; aiding these groups that pose a direct threat to the United States. Pakistan's active participation has caused thousands of deaths in the region; all these years Pakistan has been supportive to several terrorist groups despite several stern warnings from the international community. Daniel Byman, a professor and senior analyst of terrorism and security at the Center For Middle East Policy, also wrote that Pakistan is probably 2008's most active sponsor of terrorism. In 2018, the former Prime Minister of Pakistan, Nawaz Sharif, suggested that the Pakistani government played a role in the 2008 Mumbai attacks that were carried out by Lashkar-e-Taiba, a Pakistan-based Islamist terrorist group. In July 2019, Pakistani Prime Minister Imran Khan, on an official visit to the United States, acknowledged the presence of some 30,000–40,000 armed terrorists operating on Pakistani soil. He further stated that previous administrations were hiding this truth, particularly from the United States, for the last 15 years during the War on Terror.
Kabul, capital of Afghanistan, fell in November 2001 to the Northern Alliance forces during the War in Afghanistan. Northern Alliance forces began their attack on the city on 13 November and made swift progress against Taliban and Al-Qaeda forces that were heavily weakened by American and British air strikes. The advance moved ahead of plans, and the next day the Northern Alliance forces entered Kabul and met no resistance inside the city. Taliban forces retreated to Kandahar in the south.
Pakistan's role in the War on Terror is a widely discussed topic among policy-makers of various countries, political analysts and international delegates around the world. Pakistan has simultaneously received allegations of harbouring and aiding terrorists and commendation for its anti-terror efforts. Since 2001, the country has also hosted millions of Afghan refugees who fled the war in Afghanistan.

Mohammed Atef was an Egyptian militant and prominent military chief of al-Qaeda, and a deputy of Osama bin Laden, although Atef's role in the organization was not well known by intelligence agencies for years. He was killed in a US airstrike in November 2001.
The following is an outline of the series of events that led up the War in Afghanistan (2001–2021).
Al-Qaeda has five distinct phases in its development: its beginnings in the late 1980s, a "wilderness" period in 1990–1996, its "heyday" in 1996–2001, a network period from 2001 to 2005, and a period of fragmentation from 2005 to 2009.