| Time | Location | Event | Present |
|---|
 Aug. 17, 1988 |  Afghanistan | Founders meet and form al-Qaeda | Osama bin Laden (Leader), Abu Ubaidah al-Banshiri, Wael Julaidan, Mamdouh Mahmud Salim |
| Late 1989 | Farouq training camp, Near Khost, Paktia, Afghanistan | Al-Qaeda gains first members | Abu Ayoub al-Iraqi (Leader), Jamal Ahmed al-Fadl, Abu Ubaidah al-Banshiri, Mohammed Atef |
 1990 | Guesthouse, Pakistan | Al-Qaeda founders discuss possible move to Sudan | Abu Ayoub al-Iraqi, Abu Hammam al Saudi, Abu Unays al Saudi, Abu Hassan al Sudani, Abu Fadhl al-Makkee, Abu Ubaidah al-Banshiri |
| Early 1993 | Khartoum, Sudan | Essam al-Ridi meets with Osama bin Laden | Essam al-Ridi, Wadih El Hage, Osama bin Laden, Mohammed Atef, Mamdouh Mahmud Salim, Abu Ubaidah al-Banshiri |
| Spring 1993 | Somalia | Atef and others train Somali tribes | Mohammed Atef (Trainer), Abu Ubaidah al-Banshiri (Trainer), Mohamed Sadeek Odeh (Trainer), Fazul Abdullah Mohammed (Trainer), Abdullah Ahmed Abdullah (Trainer), Saif al-Adel (Trainer), Mushin Musa Matwalli Atwah (Trainer), Ahmed Mohammed Hamed Ali (Trainer) |
| Late 1993 | Guesthouse, Riyadh City, Khartoum, Sudan | Al-Qaeda discusses targeting US forces in Somalia | Osama bin Laden, Abu Ubaidah al-Banshiri, Abu Talha al Sudani, Jamal Ahmed al-Fadl |
| 1994 | Mombasa, Kenya | Atef and al-Banshiri meet with Odeh | Mohammed Atef, Abu Ubaidah al-Banshiri, Mohamed Sadeek Odeh |
| May 21, 1996 | Lake Victoria, 30 miles offshore from Mwanza, Tanzania | Abu Ubaidah al-Banshiri drowns in Lake Victoria | Abu Ubaidah al-Banshiri |
