Kammala wannan magana: Osama bin Laden, wanda jagoran Jihad na Musulunci na Masar Ayman al-Zawahiri ya ba da shawara sosai, a cikin 1988 ya kafa Al-Qaeda (Arabic: القاعدة, ma'ana "Tushen"), ƙungiyar jihadi ta Islama don maye gurbin ƙasashen musulmi da yammacin duniya ke sarrafawa ko mamayewa tare da tsarin addinin Islama. Don cimma wannan burin, bin Laden ya fitar da wata sanarwa a shekarar 1996 wadda ta yi alƙawarin yin mugun jihadi a kan sojojin Amurka da ke Saudiyya. A ranar 7 ga watan Agusta, 1998, wasu mutane da ke da alaƙa da Al Qaeda da kuma Jihad na Musulunci na Masar sun yi kisan kai a lokaci guda
hare-haren bama-bamai na ofisoshin jakadancin Amurka biyu a Afirka wanda ya yi sanadiyar mutuwar mutane 224. A ranar 12 ga Oktoba, 2000, Al-Qaeda ta aiwatar da fashewar bam din USS Cole, wani harin kunar bakin wake na jirgin ruwan Amurka USS "Cole" da ke cikin tashar jirgin ruwan Yemen na Aden. Harin bam din ya kashe matukan jirgin Amurka goma sha bakwai.